Diagnostic TIC Trouble Code (DTC) B0012
Left Front/Driver Frontal Deployment Loop
Circuit Description
When the ignition switch is turned to ON, the sensing and diagnostic module(SDM) will perform turn-on test to diagnose critical malfunctions within SDM itself.
Upon passing these test ignition and deployment loop voltages are measured to ensure that they are within their normal voltage ranges. The SDM monitors the voltages at the driver low and the passenger low to detect shorts to ground or voltage in the deploy loops.
The SDM checks the wiring connection to the driver frontal deployment loop by letting the infinitesimal current flow through internal circuit and verify the resistance.
DTC B0012 Will Set When
- Resistance Too High or Resistarnce Too low - The resistance of driver airbag deployment loop is higher than 4.24 ohms or lower than 2.01 ohms.
- Open Circuit - The driver frontal deployment loop is open
- Short to Battery or Short to Ground - The driver frontal deployment loop is shorted to battery or ground.
DTC B0012 - Left Front/Driver Frontal Deployment Loop (Resistance Too High) or (Open Circuit)
Caution : The sensing and diagnostic module(SDM) can maintain sufficient voltage to deploy the airbags and pretensioners for 1 minute after the ignition is OFF and the fuse has been removed. If the airbags and pretensioners are not disconnected, do not begin service until one minute has passed after disconnecting power to SDM. Otherwise, injury could result.
Caution : During service procedure, be very careful when handling the SDM. Never strike or jar the SDM. Never power the supplemental inflatable restraints(SIR) when the SDM is not rigidly attached to the vehicle. All SDM mounting bolts must be carefully tightened , and the arrow on the SDM must be point toward the front of the vehicle to ensure proper operation of the SIR. The SDM could be activated if it is powered when it is not rigidly attached to the vehicle, resulting in unexpected deployment and possible injury.
| Step | Action | Value(s) | Yes | No |
| 1 | - Confirm the ignition switch "OFF".
- Wait for a minute to discharge the SDM charger.
| - | Go to Step 2 | - |
| 2 | Visually inspect the connector and the wiring of driver frontal airbag. Is the connector disconnected? | - | Connect the connector and go to Step 1 | Go to Step 3 |
| 3 | - Confirm the ignition switch "OFF".
- Remove the driver frontal airbag module.
- Disconnect the connector of SDM wiring.
- Check the resistance between the terminal 9, 8 of SDM and the high and low terminal of driver frontal airbag module.
Is the resistance about 0(zero) ? | ≈ 0 Ω | Go to Step 4 | Go to Step 5 |
| 4 | - Replace the SDM.
- Perform the BCM reprogramming Procedure in order for the BCM to relearn the new SDM ID.
- Confirm the ignition switch "ON".
- Erase the DTC using scan tool.
- Perform the SIR Diagnostic System Check.
Is the DTC removed? | - | The System is OK. | Replace the driver frontal airbag module. |
| 5 | - Remove the connector from the clock spring wiring.
- Check the resistance between the terminal 9, 8 of SDM and the terminal 4, 3 of clock spring.
Is the resistance about 0(zero) ? | ≈ 0 Ω | Replace the clock spring. | Replace the airbag wiring. |
DTC B0012 - Left Front/Driver Frontal Deployment Loop (Resistance Too Low)
Caution : The sensing and diagnostic module(SDM) can maintain sufficient voltage to deploy the airbags and pretensioners for 1 minute after the ignition is OFF and the fuse has been removed. If the airbags and pretensioners are not disconnected, do not begin service until one minute has passed after disconnecting power to SDM. Otherwise, injury could result.
Caution : During service procedure, be very careful when handling the SDM. Never strike or jar the SDM. Never power the supplemental inflatable restraints(SIR) when the SDM is not rigidly attached to the vehicle. All SDM mounting bolts must be carefully tightened , and the arrow on the SDM must be point toward the front of the vehicle to ensure proper operation of the SIR. The SDM could be activated if it is powered when it is not rigidly attached to the vehicle, resulting in unexpected deployment and possible injury.
| Step | Action | Value(s) | Yes | No |
| 1 | - Confirm the ignition switch "OFF".
- Wait for a minute to discharge the SDM charger.
| - | Go to Step 2 | - |
| 2 | Visually inspect the connector and the wiring of driver frontal airbag. Is the airbag wiring damaged? | - | Replace the airbag wiring. | Go to Step 5 |
| 3 | - Confirm the ignition switch "OFF".
- Remove the driver frontal airbag module.
- Disconnect the connector of SDM wiring.
- Check the resistance between the high and low terminal of driver frontal airbag module.
Is the resistance ∞? | ∞ | Go to Step 4 | Go to Step 5 |
| 4 | - Replace the SDM.
- Perform the BCM reprogramming procedure in order for the BCM to relearn the new SDM ID.
- Confirm the ignition switch "ON".
- Erase the DTC using scan tool.
- Perform the SIR Diagnostic System Check.
Is the DTC removed? | - | The System is OK. | Replace the driver frontal airbag module. |
| 5 | - Remove the connector from the clock spring wiring.
- Check the resistance between the terminal 3 and 4 of clock spring.
Is the resistance ∞? | ∞ | Replace the airbag wiring. | Replace the clock spring. |
DTC B0012 - Left Front/Driver Frontal Deployment Loop (Short to Ground)
Caution : The sensing and diagnostic module(SDM) can maintain sufficient voltage to deploy the airbags and pretensioners for 1 minute after the ignition is OFF and the fuse has been removed. If the airbags and pretensioners are not disconnected, do not begin service until one minute has passed after disconnecting power to SDM. Otherwise, injury could result.
Caution : During service procedure, be very careful when handling the SDM. Never strike or jar the SDM. Never power the supplemental inflatable restraints(SIR) when the SDM is not rigidly attached to the vehicle. All SDM mounting bolts must be carefully tightened , and the arrow on the SDM must be point toward the front of the vehicle to ensure proper operation of the SIR. The SDM could be activated if it is powered when it is not rigidly attached to the vehicle, resulting in unexpected deployment and possible injury.
| Step | Action | Value(s) | Yes | No |
| 1 | - Confirm the ignition switch "OFF".
- Wait for a minute to discharge the SDM charger.
| - | Go to Step 2 | - |
| 2 | Visually inspect the connector and the wiring of driver frontal airbag. Is the airbag wiring damaged? | - | Replace the airbag wiring. | Go to Step 3 |
| 3 | - Confirm the ignition switch "OFF".
- Remove the driver airbag module.
- Disconnect the connector of SDM wiring.
- Check the resistance between the high, low wiring of driver frontal airbag module and the ground.
Is the resistance higher than 50Ω? | 50Ω | Go to Step 4 | Go to Step 5 |
| 4 | - Replace the SDM.
- Perform the BCM reprogramming procedure in order for the BCM to relearn the new SDM ID.
- Confirm the ignition switch "ON".
- Erase the DTC using scan tool.
- Perform the SIR Diagnostic System Check.
Is the DTC removed? | - | The System is OK. | Replace the driver frontal airbag module. |
| 5 | - Remove the connector from the clock spring wiring.
- Check the resistance between the high, low wiring of clock spring and the ground.
Is the resistance higher than 50Ω? | 50Ω | Replace the clock spring. | Replace the airbag wiring. |
DTC B0012 - Left Front/Driver Frontal Deployment Loop (Short to Battery)
Caution : The sensing and diagnostic module(SDM) can maintain sufficient voltage to deploy the airbags and pretensioners for 1 minute after the ignition is OFF and the fuse has been removed. If the airbags and pretensioners are not disconnected, do not begin service until one minute has passed after disconnecting power to SDM. Otherwise, injury could result.
Caution : During service procedure, be very careful when handling the SDM. Never strike or jar the SDM. Never power the supplemental inflatable restraints(SIR) when the SDM is not rigidly attached to the vehicle. All SDM mounting bolts must be carefully tightened , and the arrow on the SDM must be point toward the front of the vehicle to ensure proper operation of the SIR. The SDM could be activated if it is powered when it is not rigidly attached to the vehicle, resulting in unexpected deployment and possible injury.
| Step | Action | Value(s) | Yes | No |
| 1 | - Confirm the ignition switch "OFF".
- Wait for a minute to discharge the SDM charger.
| - | Go to Step 2 | - |
| 2 | Visually inspect the connector and the wiring of driver frontal airbag. Is the airbag wiring damaged? | - | Replace the airbag wiring. | Go to Step 3 |
| 3 | - Confirm the ignition switch "OFF".
- Remove the driver airbag module.
- Disconnect the connector of SDM wiring.
- Check the resistance between the high, low wiring of driver frontal airbag module and the battery.
Is the resistance higher than 50Ω? | 50Ω | Go to Step 4 | Go to Step 5 |
| 4 | - Replace the SDM.
- Perform the BCM reprogramming procedure in order for the BCM to relearn the new SDM ID.
- Confirm the ignition switch "ON".
- Erase the DTC using scan tool.
- Perform the SIR Diagnostic System Check.
Is the DTC removed? | - | The System is OK. | Replace the driver frontal airbag module. |
| 5 | - Remove the connector from the clock spring wiring.
- Check the resistance between the high, low wiring of clock spring and the battery.
Is the resistance higher than 50Ω? | 50Ω | Replace the clock spring. | Replace the airbag wiring. |
Diagnostic Trouble Code (DTC) B0014
Left Front/Driver Side Deployment Loop
Circuit Description
When the ignition switch is turned to ON, the sensing and diagnostic module(SDM) will perform turn-on test to diagnose critical malfunctions within SDM itself.
Upon passing these test ignition and deployment loop voltages are measured to ensure that they are within their normal voltage ranges. The SDM monitors the voltages at the driver low and the passenger low to detect shorts to ground or voltage in the deploy loops.
The SDM checks the wiring connection to the driver side deployment loop by letting the infinitesimal current flow through the internal circuit and verify the resistance.
DTC B0014 Will Set When
- Resistance Too High or Resistarnce Too low - The resistance of driver side deployment loop is higher than 3.45 ohms or lower than 1.77 ohms.
- Open Circuit - The driver side deployment loop is open.
- Short to Battery or Short to Ground - The driver side deployment loop is shorted to battery or ground.
DTC B0014 - Left Front/Driver Side Deployment Loop (Resistance Too High) or (Open Circuit)
Caution : The sensing and diagnostic module(SDM) can maintain sufficient voltage to deploy the airbags and pretensioners for 1 minute after the ignition is OFF and the fuse has been removed. If the airbags and pretensioners are not disconnected, do not begin service until one minute has passed after disconnecting power to SDM. Otherwise, injury could result.
Caution : During service procedure, be very careful when handling the SDM. Never strike or jar the SDM. Never power the supplemental inflatable restraints(SIR) when the SDM is not rigidly attached to the vehicle. All SDM mounting bolts must be carefully tightened , and the arrow on the SDM must be point toward the front of the vehicle to ensure proper operation of the SIR. The SDM could be activated if it is powered when it is not rigidly attached to the vehicle, resulting in unexpected deployment and possible injury.
| Step | Action | Value(s) | Yes | No |
| 1 | - Confirm the ignition switch "OFF".
Wait for a minute to discharge the SDM charger. | - | Go to Step 2 | - |
| 2 | Visually inspect the connector and the wiring of driver side airbag. Is the connector disconnected? | - | Connect the connector and go to Step 1 | Go to Step 3 |
| 3 | - Confirm the ignition switch "OFF".
- Disconnect the connector of driver side airbag module.
- Disconnect the connector of SDM wiring.
- Check the resistance between the terminal 13, 12 of SDM and the terminal 2, 1 of driver side airbag module.
Is the resistance about 0(zero) ? | ≈ 0 Ω | Go to Step 4 | Replace the airbag wiring. |
| 4 | - Replace the SDM.
- Perform the BCM reprogramming procedure in order for the BCM to relearn the new SDM ID.
- Confirm the ignition switch "ON".
- Erase the DTC using scan tool.
- Perform the SIR Diagnostic System Check.
Is the DTC removed? | - | The System is OK | Replace the driver side airbag module. |
DTC B0014 - Left Front/Driver Side Deployment Loop (Resistance Too Low)
Caution : The sensing and diagnostic module(SDM) can maintain sufficient voltage to deploy the airbags and pretensioners for 1minute after the ignition is OFF and the fuse has been removed. If the airbags and pretensioners are not disconnected, do not begin service until one minute has passed after disconnecting power to SDM. Otherwise, injury could result.
Caution : During service procedure, be very careful when handling the SDM. Never strike or jar the SDM. Never power the supplemental inflatable restraints(SIR) when the SDM is not rigidly attached to the vehicle. All SDM mounting bolts must be carefully tightened , and the arrow on the SDM must be point toward the front of the vehicle to ensure proper operation of the SIR. The SDM could be activated if it is powered when it is not rigidly attached to the vehicle, resulting in unexpected deployment and possible injury.
| Step | Action | Value(s) | Yes | No |
| 1 | - Confirm the ignition switch "OFF".
- Wait for a minute to discharge the SDM charger.
| - | Go to Step 2 | - |
| 2 | Visually inspect the connector and the wiring of driver side airbag. Is the airbag wiring damaged? | - | Replace the airbag wiring. | Go to Step 3 |
| 3 | - Confirm the ignition switch "OFF".
- Disconnect the connector of driver side airbag module.
- Disconnect the connector of SDM wiring.
- Check the resistance between the terminal 2 and 1 of driver side airbag module.
Is the resistance ∞? | ∞ | Go to Step 4 | Replace the airbag wiring. |
| 4 | - Replace the SDM.
- Perform the BCM reprogramming procedure in order for the BCM to relearn the new SDM ID.
- Confirm the ignition switch "ON".
- Erase the DTC using scan tool.
- Perform the SIR Diagnostic System Check.
Is the DTC removed? | - | The System is OK. | Replace the driver side airbag module. |
DTC B0014 - Left Front/Driver Side Deployment Loop (Short to Ground)
Caution : The sensing and diagnostic module(SDM) can maintain sufficient voltage to deploy the airbags and pretensioners for 1 minute after the ignition is OFF and the fuse has been removed. If the airbags and pretensioners are not disconnected, do not begin service until one minute has passed after disconnecting power to SDM. Otherwise, injury could result.
Caution : During service procedure, be very careful when handling the SDM. Never strike or jar the SDM. Never power the supplemental inflatable restraints(SIR) when the SDM is not rigidly attached to the vehicle. All SDM mounting bolts must be carefully tightened , and the arrow on the SDM must be point toward the front of the vehicle to ensure proper operation of the SIR. The SDM could be activated if it is powered when it is not rigidly attached to the vehicle, resulting in unexpected deployment and possible injury.
| Step | Action | Value(s) | Yes | No |
| 1 | - Confirm the ignition switch "OFF".
- Wait for a minute to discharge the SDM charger.
| - | Go to Step 2 | - |
| 2 | Visually inspect the connector and the wiring of driver side airbag. Is the airbag wiring damaged? | - | Replace the airbag wiring. | Go to Step 3 |
| 3 | - Confirm the ignition switch "OFF".
- Disconnect the connector of driver side airbag module.
- Disconnect the connector of SDM wiring.
- Check the resistance between the high, low wiring of driver side airbag module and the ground.
Is the resistance higher than 50Ω? | 50Ω | Go to Step 4 | Replace the airbag wiring. |
| 4 | - Replace the SDM.
- Perform the BCM reprogramming procedure in order for the BCM to relearn the new SDM ID.
- Confirm the ignition switch "ON".
- Erase the DTC using scan tool.
- Perform the SIR Diagnostic System Check.
Is the DTC removed? | - | The System is OK. | Replace the driver side airbag module. |
DTC B0014 - Left Front/Driver Side Deployment Loop (Short to Battery)
Caution : The sensing and diagnostic module(SDM) can maintain sufficient voltage to deploy the airbags and pretensioners for 1 minute after the ignition is OFF and the fuse has been removed. If the airbags and pretensioners are not disconnected, do not begin service until one minute has passed after disconnecting power to SDM. Otherwise, injury could result.
Caution : During service procedure, be very careful when handling the SDM. Never strike or jar the SDM. Never power the supplemental inflatable restraints(SIR) when the SDM is not rigidly attached to the vehicle. All SDM mounting bolts must be carefully tightened , and the arrow on the SDM must be point toward the front of the vehicle to ensure proper operation of the SIR. The SDM could be activated if it is powered when it is not rigidly attached to the vehicle, resulting in unexpected deployment and possible injury
| Step | Action | Value(s) | Yes | No |
| 1 | - Confirm the ignition switch "OFF".
- Wait for a minute to discharge the SDM charger.
| - | Go to Step 2 | - |
| 2 | Visually inspect the connector and the wiring of driver side airbag. Is the airbag wiring damaged? | - | Replace the airbag wiring. | Go to Step 3 |
| 3 | - Confirm the ignition switch "OFF".
- Disconnect the connector of driver side airbag module.
- Disconnect the connector of SDM wiring.
- Check the resistance between the high, low wiring of driver side airbag module and the battery.
Is the resistance higher than 50Ω? | 50Ω | Go to Step 4 | Replace the airbag wiring. |
| 4 | - Replace the SDM.
- Perform the BCM reprogramming procedure in order for the BCM to relearn the new SDM ID.
- Confirm the ignition switch "ON".
- Erase the DTC using scan tool.
- Perform the SIR Diagnostic System Check.
Is the DTC removed? | - | The System is OK. | Replace the driver side airbag module. |
Diagnostic Trouble Code (DTC) B0015
Left Front/Driver Pretensioner Deployment Loop
Circuit Description
When the ignition switch is turned to ON, the sensing and diagnostic module(SDM) will perform turn-on test to diagnose critical malfunctions within SDM itself.
Upon passing these test ignition and deployment loop voltages are measured to ensure that they are within their normal voltage ranges. The SDM monitors the voltages at the driver low and the passenger low to detect shorts to ground or voltage in the deploy loops.
The SDM checks the wiring connection to the driver belt pretensioner deployment loop by letting the infinitesimal current flow through the internal circuit and verify the resistance.
DTC B0015 Will Set When
- Resistance Too High or Resistarnce Too Low - The resistance of driver belt pretensioner deployment loop is higher than 3.54 ohms or lower than 1.77 ohms.
- Open Circuit - The driver belt pretensioner deployment loop is open.
- Short to Battery or Short to Ground - The driver belt pretensioner deployment loop is shorted to battery or ground.
DTC B0015 - Left Front/Driver Pretensioner Deployment Loop (Resistance Too High) or (Open Circuit)
Caution : The sensing and diagnostic module(SDM) can maintain sufficient voltage to deploy the airbags and pretensioners for 1 minute after the ignition is OFF and the fuse has been removed. If the airbags and pretensioners are not disconnected, do not begin service until one minute has passed after disconnecting power to SDM. Otherwise, injury could result.
Caution : During service procedure, be very careful when handling the SDM. Never strike or jar the SDM. Never power the supplemental inflatable restraints(SIR) when the SDM is not rigidly attached to the vehicle. All SDM mounting bolts must be carefully tightened , and the arrow on the SDM must be point toward the front of the vehicle to ensure proper operation of the SIR. The SDM could be activated if it is powered when it is not rigidly attached to the vehicle, resulting in unexpected deployment and possible injury
| Step | Action | Value(s) | Yes | No |
| 1 | - Confirm the ignition switch "OFF".
- Wait for a minute to discharge the SDM charger.
| - | Go to Step 2 | - |
| 2 | Visually inspect the connector and the wiring of driver belt pretensioner. Is the connector disconnected? | - | Connect the connector and go to Step 1 | Go to Step 3 |
| 3 | - Confirm the ignition switch "OFF".
- Disconnect the connector of the driver belt pretensioner.
- Disconnect the connector of SDM wiring.
- Check the resistance between the terminal 5, 4 of SDM and the terminal 2, 1 of driver belt pretensioner.
Is the resistance about 0(zero)? | ≈ 0 Ω | Go to Step 4 | Replace the airbag wiring. |
| 4 | - Replace the SDM.
- Perform the BCM reprogramming procedure in order for the BCM to relearn the new SDM ID.
- Confirm the ignition switch "ON".
- Erase the DTC using scan tool.
- Perform the SIR Diagnostic System Check.
Is the DTC removed? | - | The System is OK. | Replace the driver belt pretensioner. |
DTC B0015 - Left Front/Driver Pretensioner Deployment Loop (Resistance Too Low)
Caution : The sensing and diagnostic module(SDM) can maintain sufficient voltage to deploy the airbags and pretensioners for 1 minute after the ignition is OFF and the fuse has been removed. If the airbags and pretensioners are not disconnected, do not begin service until one minute has passed after disconnecting power to SDM. Otherwise, injury could result.
Caution : During service procedure, be very careful when handling the SDM. Never strike or jar the SDM. Never power the supplemental inflatable restraints(SIR) when the SDM is not rigidly attached to the vehicle. All SDM mounting bolts must be carefully tightened , and the arrow on the SDM must be point toward the front of the vehicle to ensure proper operation of the SIR. The SDM could be activated if it is powered when it is not rigidly attached to the vehicle, resulting in unexpected deployment and possible injury.
| Step | Action | Value(s) | Yes | No |
| 1 | - Confirm the ignition switch "OFF".
- Wait for a minute to discharge the SDM charger.
| - | Go to Step 2 | - |
| 2 | Visually inspect the connector and the wiring of driver belt pretensioner. Is the wiring damaged? | - | Replace the airbag wiring. | Go to Step 3 |
| 3 | - Confirm the ignition switch "OFF".
- Disconnect the connector of driver belt pretensioner.
- Disconnect the connector of SDM wiring.
- Check the resistance between the terminal 2 and 1 of driver belt pretensioner.
Is the resistance ∞? | ∞ | Go to Step 4 | Replace the airbag wiring. |
| 4 | - Replace the SDM.
- Perform the BCM reprogramming procedure in order for the BCM to relearn the new SDM ID.
- Confirm the ignition switch "ON".
- Erase the DTC using scan tool.
- Perform the SIR Diagnostic System Check.
Is the DTC removed? | - | The System is OK. | Replace the driver belt pretensioner. |
DTC B0015 - Left Front/Driver Pretensioner Deployment Loop (Short to Ground)
Caution : The sensing and diagnostic module(SDM) can maintain sufficient voltage to deploy the airbags and pretensioners for 1 minute after the ignition is OFF and the fuse has been removed. If the airbags and pretensioners are not disconnected, do not begin service until one minute has passed after disconnecting power to SDM. Otherwise, injury could result.
Caution : During service procedure, be very careful when handling the SDM. Never strike or jar the SDM. Never power the supplemental inflatable restraints(SIR) when the SDM is not rigidly attached to the vehicle. All SDM mounting bolts must be carefully tightened , and the arrow on the SDM must be point toward the front of the vehicle to ensure proper operation of the SIR. The SDM could be activated if it is powered when it is not rigidly attached to the vehicle, resulting in unexpected deployment and possible injury.
| Step | Action | Value(s) | Yes | No |
| 1 | - Confirm the ignition switch "OFF".
- Wait for a minute to discharge the SDM charger.
| - | Go to Step 2 | - |
| 2 | Visually inspect the connector and the wiring of driver belt pretensioner. Is the wiring damaged? | - | Replace the airbag wiring. | Go to Step 3 |
| 3 | - Confirm the ignition switch "OFF".
- Disconnect the connector of driver belt pretensioner.
- Disconnect the connector of SDM wiring.
- Check the resistance between the high, low wiring of driver belt pretensioner and the ground.
Is the resistance higher than 50Ω? | 50Ω | Go to Step 4 | Replace the airbag wiring. |
| 4 | - Replace the SDM.
- Perform the BCM reprogramming procedure in order for the BCM to relearn the new SDM ID.
- Confirm the ignition switch "ON".
- Erase the DTC using scan tool.
- Perform the SIR Diagnostic System Check.
Is the DTC removed? | - | The System is OK. | Replace the driver belt pretensioner. |
DTC B0015 - Left Front/Driver Pretensioner Deployment Loop (Short to Battery)
Caution : The sensing and diagnostic module(SDM) can maintain sufficient voltage to deploy the airbags and pretensioners for 1 minute after the ignition is OFF and the fuse has been removed. If the airbags and pretensioners are not disconnected, do not begin service until one minute has passed after disconnecting power to SDM. Otherwise, injury could result.
Caution : During service procedure, be very careful when handling the SDM. Never strike or jar the SDM. Never power the supplemental inflatable restraints(SIR) when the SDM is not rigidly attached to the vehicle. All SDM mounting bolts must be carefully tightened , and the arrow on the SDM must be point toward the front of the vehicle to ensure proper operation of the SIR. The SDM could be activated if it is powered when it is not rigidly attached to the vehicle, resulting in unexpected deployment and possible injury.
| Step | Action | Value(s) | Yes | No |
| 1 | - Confirm the ignition switch "OFF".
- Wait for a minute to discharge the SDM charger.
| - | Go to Step 2 | - |
| 2 | Visually inspect the connector and the wiring of driver belt pretensioner. Is the wiring damaged? | - | Replace the airbag wiring. | Go to Step 3 |
| 3 | - Confirm the ignition switch "OFF".
- Disconnect the connector of driver belt pretensioner.
- Disconnect the connector of SDM wiring.
- Check the resistance between the high, low wiring of driver belt pretensioner and the battery.
Is the resistance higher than 50Ω? | 50Ω | Go to Step 4 | Replace the airbag wiring. |
| 4 | - Replace the SDM.
- Perform the BCM reprogramming procedure in order for the BCM to relearn the new SDM ID.
- Confirm the ignition switch "ON".
- Erase the DTC using scan tool.
- Perform the SIR Diagnostic System Check.
Is the DTC removed? | - | The System is OK. | Replace the driver belt pretensioner. |
Diagnostic Trouble Code (DTC) B0016
Left Front/Driver Roof Rail/Head Curtain Deployment Loop
Circuit Description
When the ignition switch is turned to ON, the sensing and diagnostic module(SDM) will perform turn-on test to diagnose critical malfunctions within SDM itself.
Upon passing these test ignition and deployment loop voltages are measured to ensure that they are within their normal voltage ranges. The SDM monitors the voltages at the driver low and the passenger low to detect shorts to ground or voltage in the deploy loops.
The SDM checks the wiring connection to the drive head curtain deployment loop by letting the infinitesimal current flow through the internal circuit and verify the resistance.
DTC B0016 Will Set When
- Resistance Too High or Resistarnce Too Low - The resistance of driver head curtain deployment loop is higher than 3.54 ohms or lower than 1.77 ohms.
- Open Circuit - The driver head curtain deployment loop is open.
- Short to Battery or Short to Ground - The driver head curtain deployment loop is shorted to battery or ground.
DTC B0016 - Left Front/Driver Roof Rail/Head Curtain Deployment Loop (Resistance Too High) or (Open Circuit)
Caution : The sensing and diagnostic module(SDM) can maintain sufficient voltage to deploy the airbags and pretensioners for 1 minute after the ignition is OFF and the fuse has been removed. If the airbags and pretensioners are not disconnected, do not begin service until one minute has passed after disconnecting power to SDM. Otherwise, injury could result.
Caution : During service procedure, be very careful when handling the SDM. Never strike or jar the SDM. Never power the supplemental inflatable restraints(SIR) when the SDM is not rigidly attached to the vehicle. All SDM mounting bolts must be carefully tightened , and the arrow on the SDM must be point toward the front of the vehicle to ensure proper operation of the SIR. The SDM could be activated if it is powered when it is not rigidly attached to the vehicle, resulting in unexpected deployment and possible injury.
| Step | Action | Value(s) | Yes | No |
| 1 | - Confirm the ignition switch "OFF".
- Wait for a minute to discharge the SDM charger.
| - | Go to Step 2 | - |
| 2 | Visually inspect the connector and the wiring of driver head curtain airbag. Is the connector disconnected? | - | Connect the connector and go to Step 1 | Go to Step 3 |
| 3 | - Confirm the ignition switch "OFF".
- Disconnect the connector of the driver head curtain airbag module.
- Disconnect the connector of SDM wiring.
- Check the resistance between the terminal 17, 16 of SDM and the terminal 1, 2 of driver head curtain airbag module.
Is the resistance about 0(zero)? | ≈ 0 Ω | Go to Step 4 | Replace the airbag wiring. |
| 4 | - Replace the SDM.
- Perform the BCM reprogramming procedure in order for the BCM to relearn the new SDM ID.
- Confirm the ignition switch "ON".
- Erase the DTC using scan tool.
- Perform the SIR Diagnostic System Check.
Is the DTC removed? | - | The System is OK. | Replace the driver head curtain airbag module. |
DTC B0016 - Left Front/Driver Roof Rail/Head Curtain Deployment Loop (Resistance Too Low)
Caution : The sensing and diagnostic module(SDM) can maintain sufficient voltage to deploy the airbags and pretensioners for 1 minute after the ignition is OFF and the fuse has been removed. If the airbags and pretensioners are not disconnected, do not begin service until one minute has passed after disconnecting power to SDM. Otherwise, injury could result.
Caution : During service procedure, be very careful when handling the SDM. Never strike or jar the SDM. Never power the supplemental inflatable restraints(SIR) when the SDM is not rigidly attached to the vehicle. All SDM mounting bolts must be carefully tightened , and the arrow on the SDM must be point toward the front of the vehicle to ensure proper operation of the SIR. The SDM could be activated if it is powered when it is not rigidly attached to the vehicle, resulting in unexpected deployment and possible injury.
| Step | Action | Value(s) | Yes | No |
| 1 | - Confirm the ignition switch "OFF".
- Wait for a minute to discharge the SDM charger.
| - | Go to Step 1 | - |
| 2 | Visually inspect the connector and the wiring of driver head curtain airbag. Is the wiring damaged? | - | Replace the airbag wiring. | Go to Step 3 |
| 3 | - Confirm the ignition switch "OFF".
- Disconnect the connector of the driver head curtain airbag module.
- Disconnect the connector of SDM wiring.
- Check the resistance between the terminal 1 and 2 of driver head curtain airbag module.
Is the resistance ∞? | ∞ | Go to Step 4 | Replace the airbag wiring. |
| 4 | - Replace the SDM.
- Perform the BCM reprogramming procedure in order for the BCM to relearn the new SDM ID.
- Confirm the ignition switch "ON".
- Erase the DTC using scan tool.
- Perform the SIR Diagnostic System Check.
Is the DTC removed? | - | The System is OK. | Replace the driver head curtain airbag module. |
DTC B0016 - Left Front/Driver Roof Rail/Head Curtain Deployment Loop (Short to Ground)
Caution : The sensing and diagnostic module(SDM) can maintain sufficient voltage to deploy the airbags and pretensioners for 1 minute after the ignition is OFF and the fuse has been removed. If the airbags and pretensioners are not disconnected, do not begin service until one minute has passed after disconnecting power to SDM. Otherwise, injury could result.
Caution : During service procedure, be very careful when handling the SDM. Never strike or jar the SDM. Never power the supplemental inflatable restraints(SIR) when the SDM is not rigidly attached to the vehicle. All SDM mounting bolts must be carefully tightened , and the arrow on the SDM must be point toward the front of the vehicle to ensure proper operation of the SIR. The SDM could be activated if it is powered when it is not rigidly attached to the vehicle, resulting in unexpected deployment and possible injury .
| Step | Action | Value(s) | Yes | No |
| 1 | - Confirm the ignition switch "OFF".
- Wait for a minute to discharge the SDM charger.
| - | Go to Step 2 | - |
| 2 | Visually inspect the connector and the wiring of driver head curtain airbag module. Is the wiring damaged? | - | Replace the airbag wiring. | Go to Step 3 |
| 3 | - Confirm the ignition switch "OFF".
- Disconnect the connector of the driver head curtain airbag module.
- Disconnect the connector of SDM wiring.
- Check the resistance between the high, low wiring of driver head curtain airbag module and the ground.
Is the resistance higher than 50Ω? | 50Ω | Go to Step 4 | Replace the airbag wiring. |
| 4 | - Replace the SDM.
- Perform the BCM reprogramming procedure in order for the BCM to relearn the new SDM ID.
- Confirm the ignition switch "ON".
- Erase the DTC using scan tool.
- Perform the SIR Diagnostic System Check.
Is the DTC removed? | - | The System is OK. | Replace the driver head curtain airbag module. |
DTC B0016 - Left Front/Driver Roof Rail/Head Curtain Deployment Loop (Short to Battery)
Caution : The sensing and diagnostic module(SDM) can maintain sufficient voltage to deploy the airbags and pretensioners for 1 minute after the ignition is OFF and the fuse has been removed. If the airbags and pretensioners are not disconnected, do not begin service until one minute has passed after disconnecting power to SDM. Otherwise, injury could result.
Caution : During service procedure, be very careful when handling the SDM. Never strike or jar the SDM. Never power the supplemental inflatable restraints(SIR) when the SDM is not rigidly attached to the vehicle. All SDM mounting bolts must be carefully tightened , and the arrow on the SDM must be point toward the front of the vehicle to ensure proper operation of the SIR. The SDM could be activated if it is powered when it is not rigidly attached to the vehicle, resulting in unexpected deployment and possible injury.
| Step | Action | Value(s) | Yes | No |
| 1 | - Confirm the ignition switch "OFF".
- Wait for a minute to discharge the SDM charger.
| - | Go to Step 2 | - |
| 2 | Visually inspect the connector and the wiring of driver head curtain airbag module. Is the wiring damaged? | - | Replace the airbag wiring. | Go to Step 3 |
| 3 | - Confirm the ignition switch "OFF".
- Disconnect the connector of the driver head curtain airbag module.
- Disconnect the connector of SDM wiring.
- Check the resistance between the high, low wiring of driver head curtain airbag module and the battery.
Is the resistance higher than 50Ω? | 50Ω | Go to Step 4 | Replace the airbag wiring. |
| 4 | - Replace the SDM.
- Perform the BCM reprogramming procedure in order for the BCM to relearn the new SDM ID.
- Confirm the ignition switch "ON".
- Erase the DTC using scan tool.
- Perform the SIR Diagnostic System Check.
Is the DTC removed? | - | The System is OK. | Replace the driver head curtain airbag module. |
Diagnostic Trouble Code (DTC) B0019
Right Front/Passenger Frontal Deployment Loop
Circuit Description
When the ignition switch is turned to ON, the sensing and diagnostic module(SDM) will perform turn-on test to diagnose critical malfunctions within SDM itself.
Upon passing these test ignition and deployment loop voltages are measured to ensure that they are within their normal voltage ranges. The SDM monitors the voltages at the driver low and the passenger low to detect shorts to ground or voltage in the deploy loops.
The SDM checks the wiring connection to the passenger frontal deployment loop by letting the infinitesimal current flow through the internal circuit and verify the resistance.
DTC B0019 Will Set When
- Resistance Too High or Resistarnce Too low - The resistance of passenger frontal deployment loop is higher than 3.54 ohms or lower than 1.77 ohms.
- Open Circuit - The passenger frontal deployment loop's high and low wiring.
- Short to Battery or Short to Ground - The passenger frontal deployment loop is shorted to battery or ground.
DTC B0019 - Right Front/Passenger Frontal Deployment Loop (Resistance Too High) or (Open Circuit)
Caution : The sensing and diagnostic module(SDM) can maintain sufficient voltage to deploy the irabags and pretensioners for 1 minute after the ignition is OFF and the fuse has been removed. If the airbags and pretensioners are not disconnected, do not begin service until one minute has passed after disconnecting power to SDM. Otherwise, injury could result.
Caution : During service procedure, be very careful when handling the SDM. Never strike or jar the SDM. Never power the supplemental inflatable restraints(SIR) when the SDM is not rigidly attached to the vehicle. All SDM mounting bolts must be carefully tightened , and the arrow on the SDM must be point toward the front of the vehicle to ensure proper operation of the SIR. The SDM could be activated if it is powered when it is not rigidly attached to the vehicle, resulting in unexpected deployment and possible injury.
| Step | Action | Value(s) | Yes | No |
| 1 | - Confirm the ignition switch "OFF".
Wait for a minute to discharge the SDM charger. | - | Go to Step 2 | - |
| 2 | Visually inspect the connector and the wiring of passenger frontal airbag. Is the connector disconnected? | - | Connect the connector and go to Step 1 | Go to Step 3 |
| 3 | - Confirm the ignition switch "OFF".
- Disconnect the connector of the passenger frontal airbag module.
- Disconnect the connector of SDM wiring.
- Check the resistance between the terminal 10, 11 of SDM and the terminal 2, 1 of passenger frontal airbag module.
Is the resistance about 0(zero) ? | ≈ 0 Ω | Go to Step 4 | Replace the airbag wiring. |
| 4 | - Replace the SDM.
- Perform the BCM reprogramming procedure in order for the BCM to relearn the new SDM ID.
- Confirm the ignition switch "ON".
- Erase the DTC using scan tool.
- Perform the SIR Diagnostic System Check.
Is the DTC removed? | - | The System is OK | Replace the passenger frontal airbag module. |
DTC B0019 - Right Front/Passenger Frontal Deployment Loop (Resistance Too Low)
Caution : The sensing and diagnostic module(SDM) can maintain sufficient voltage to deploy the airbags and pretensioners for 1 minute after the ignition is OFF and the fuse has been removed. If the airbags and pretensioners are not disconnected, do not begin service until one minute has passed after disconnecting power to SDM. Otherwise, injury could result.
Caution : During service procedure, be very careful when handling the SDM. Never strike or jar the SDM. Never power the supplemental inflatable restraints(SIR) when the SDM is not rigidly attached to the vehicle. All SDM mounting bolts must be carefully tightened , and the arrow on the SDM must be point toward the front of the vehicle to ensure proper operation of the SIR. The SDM could be activated if it is powered when it is not rigidly attached to the vehicle, resulting in unexpected deployment and possible injury.
| Step | Action | Value(s) | Yes | No |
| 1 | - Confirm the ignition switch "OFF".
- Wait for a minute to discharge the SDM charger.
| - | Go to Step 2 | - |
| 2 | Visually inspect the connector and the wiring of passenger frontal airbag. Is the airbag wiring damaged? | - | Replace the airbag wiring. | Go to Step 3 |
| 3 | - Confirm the ignition switch "OFF".
- Disconnect the connector of the passenger frontal airbag module.
- Disconnect the connector of SDM wiring.
- Check the resistance between the terminal 2 and 1 of passenger frontal airbag module.
Is the resistance ∞? | ∞ | Go to Step 4 | Replace the airbag wiring. |
| 4 | - Replace the SDM.
- Perform the BCM reprogramming procedure in order for the BCM to relearn the new SDM ID.
- Confirm the ignition switch "ON".
- Erase the DTC using scan tool.
- Perform the SIR Diagnostic System Check.
Is the DTC removed? | - | The System is OK. | Replace the passenger frontal airbag module. |
DTC B0019 - Right Front/Passenger Frontal Deployment Loop (Short to Ground)
Caution : The sensing and diagnostic module(SDM) can maintain sufficient voltage to deploy the airbags and pretensioners for 1 minute after the ignition is OFF and the fuse has been removed. If the airbags and pretensioners are not disconnected, do not begin service until one minute has passed after disconnecting power to SDM. Otherwise, injury could result.
Caution : During service procedure, be very careful when handling the SDM. Never strike or jar the SDM. Never power the supplemental inflatable restraints(SIR) when the SDM is not rigidly attached to the vehicle. All SDM mounting bolts must be carefully tightened , and the arrow on the SDM must be point toward the front of the vehicle to ensure proper operation of the SIR. The SDM could be activated if it is powered when it is not rigidly attached to the vehicle, resulting in unexpected deployment and possible injury.
| Step | Action | Value(s) | Yes | No |
| 1 | - Confirm the ignition switch "OFF".
- Wait for a minute the SDM charger to be discharged.
| - | Go to Step 2 | - |
| 2 | Visually inspect the connector and the wiring of passenger frontal airbag. Is the wiring damaged? | - | Replace the airbag wiring. | Go to Step 3 |
| 3 | - Confirm the ignition switch "OFF".
- Disconnect the connector of the passenger frontal airbag module.
- Disconnect the connector of SDM wiring.
- Check the resistance between the high, low terminal of passenger frontal airbag module and the ground.
Is the resistance higher than 50Ω? | 50Ω | Go to Step 4 | Replace the airbag wiring. |
| 4 | - Replace the SDM.
- Perform the BCM reprogramming procedure in order for the BCM to relearn the new SDM ID.
- Confirm the ignition switch "ON".
- Erase the DTC using scan tool.
- Perform the SIR Diagnostic System Check.
Is the DTC removed? | - | The System is OK. | Replace the passenger frontal airbag module. |
DTC B0019 - Right Front/Passenger Frontal Deployment Loop (Short to Battery)
Caution : The sensing and diagnostic module(SDM) can maintain sufficient voltage to deploy the airbags and pretensioners for 1 minute after the ignition is OFF and the fuse has been removed. If the airbags and pretensioners are not disconnected, do not begin service until one minute has passed after disconnecting power to SDM. Otherwise, injury could result.
Caution : During service procedure, be very careful when handling the SDM. Never strike or jar the SDM. Never power the supplemental inflatable restraints(SIR) when the SDM is not rigidly attached to the vehicle. All SDM mounting bolts must be carefully tightened , and the arrow on the SDM must be point toward the front of the vehicle to ensure proper operation of the SIR. The SDM could be activated if it is powered when it is not rigidly attached to the vehicle, resulting in unexpected deployment and possible injury.
| Step | Action | Value(s) | Yes | No |
| 1 | - Confirm the ignition switch "OFF".
- Wait for a minute the SDM charger to be discharged.
| - | Go to Step 2 | - |
| 2 | Visually inspect the connector and the wiring of passenger frontal airbag. Is the wiring damaged? | - | Replace the airbag wiring. | Go to Step 3 |
| 3 | - Confirm the ignition switch "OFF".
- Disconnect the connector of the passenger frontal airbag module.
- Disconnect the connector of SDM wiring.
- Check the resistance between the SDM and the high, low terminal of passenger frontal airbag module and the battery.
Is the resistance higher than 50Ω? | 50Ω | Go to Step 4 | Replace the airbag wiring. |
| 4 | - Replace the SDM.
- Perform the BCM reprogramming procedure in order for the BCM to relearn the new SDM ID.
- Confirm the ignition switch "ON".
- Erase the DTC using scan tool.
- Perform the SIR Diagnostic System Check.
Is the DTC removed? | - | The system is OK. | Replace the passenger frontal airbag module. |
Diagnostic Trouble Code (DTC) B0021
Right Front/passenger Side Deployment Loop
Circuit Description
When the ignition switch is turned to ON, the sensing and diagnostic module(SDM) will perform turn-on test to diagnose critical malfunctions within SDM itself.
Upon passing these test ignition and deployment loop voltages are measured to ensure that they are within their normal voltage ranges. The SDM monitors the voltages at the driver low and the passenger low to detect shorts to ground or voltage in the deploy loops. The SDM checks the wiring connection to the passenger side deployment loop by letting the infinitesimal current flow through the internal circuit and verify the resistance.
DTC B0021 Will Set When
- Resistance Too High or Resistarnce Too low - The resistance of passenger side deployment loop is higher than 3.54 ohms or lower than 1.77 ohms.
- Open Circuit - The passenger side deployment loop's high and low wiring.
- Short to Battery or Short to Ground - The passenger side deployment loop is shorted to battery or ground.
DTC B0021 - Right Front/passenger Side Deployment Loop (Resistance Too High) or (Open Circuit)
Caution : The sensing and diagnostic module(SDM) can maintain sufficient voltage to deploy the airbags and pretensioners for 1 minute after the ignition is OFF and the fuse has been removed. If the airbags and pretensioners are not disconnected, do not begin service until one minute has passed after disconnecting power to SDM. Otherwise, injury could result.
Caution : During service procedure, be very careful when handling the SDM. Never strike or jar the SDM. Never power the supplemental inflatable restraints(SIR) when the SDM is not rigidly attached to the vehicle. All SDM mounting bolts must be carefully tightened , and the arrow on the SDM must be point toward the front of the vehicle to ensure proper operation of the SIR. The SDM could be activated if it is powered when it is not rigidly attached to the vehicle, resulting in unexpected deployment and possible injury.
| Step | Action | Value(s) | Yes | No |
| 1 | - Confirm the ignition switch "OFF".
- Wait for a minute to discharge the SDM charger.
| - | Go to Step 2 | - |
| 2 | Visually inspect the connector and the wiring of passenger side airbag. Is the connector disconnected? | - | Connect the connector and go to step 1 | Go to step 3 |
| 3 | - Confirm the ignition switch "OFF".
- Disconnect the connector of passenger side airbag module.
- Disconnect the connector of SDM wiring.
- Check the resistance between the terminal 2, 1 of passenger side airbag module and the terminal 14, 15 of SDM.
Is the resistance about 0(zero)? | ≈ 0 Ω | Go to Step 4 | Replace the airbag wiring. |
| 4 | - Replace the SDM.
- Perform the BCM reprogramming procedure in order for the BCM to relearn the new SDM ID.
- Confirm the ignition switch "ON".
- Erase the DTC using scan tool
- Perform the SIR Diagnostic System Check.
Is the DTC removed? | - | The System is OK. | Replace the passenger side airbag module. |
DTC B0021 - Right Front/passenger Side Deployment Loop (Resistance Too Low)
Caution : The sensing and diagnostic module(SDM) can maintain sufficient voltage to deploy the airbags and pretensioners for 1 minute after the ignition is OFF and the fuse has been removed. If the airbags and pretensioners are not disconnected, do not begin service until one minute has passed after disconnecting power to SDM. Otherwise, injury could result.
Caution : During service procedure, be very careful when handling the SDM. Never strike or jar the SDM. Never power the supplemental inflatable restraints(SIR) when the SDM is not rigidly attached to the vehicle. All SDM mounting bolts must be carefully tightened , and the arrow on the SDM must be point toward the front of the vehicle to ensure proper operation of the SIR. The SDM could be activated if it is powered when it is not rigidly attached to the vehicle, resulting in unexpected deployment and possible injury.
| Step | Action | Value(s) | Yes | No |
| 1 | - Confirm the ignition switch "OFF".
- Wait for a minute to discharge the SDM charger.
| - | Go to Step 2 | - |
| 2 | Visually inspect the connector and the wiring of passenger side airbag. Is the wiring damaged? | - | Replace the airbag wiring. | Go to step 3 |
| 3 | - Confirm the ignition switch "OFF".
- Disconnect the connector of passenger side airbag module.
- Disconnect the connector of SDM wring.
- Check the resistance between the terminal 2 and 1 of passenger side airbag module.
Is the resistance ∞? | ∞ | Go to Step 4 | Replace the airbag wiring. |
| 4 | - Replace the SDM.
- Perform the BCM reprogramming procedure in order for the BCM to relearn the new SDM ID.
- Confirm the ignition switch "ON".
- Erase the DTC using scan tool.
- Perform the SIR Diagnostic System Check.
Is the DTC removed? | - | Go to Step 4 | Replace the passenger side airbag module. |
DTC B0021 - Right Front/passenger Side Deployment Loop (Short to Ground)
Caution : The sensing and diagnostic module(SDM) can maintain sufficient voltage to deploy the airbags and pretensioners for 1 minute after the ignition is OFF and the fuse has been removed. If the airbags and pretensioners are not disconnected, do not begin service until one minute has passed after disconnecting power to SDM. Otherwise, injury could result.
Caution : During service procedure, be very careful when handling the SDM. Never strike or jar the SDM. Never power the supplemental inflatable restraints(SIR) when the SDM is not rigidly attached to the vehicle. All SDM mounting bolts must be carefully tightened , and the arrow on the SDM must be point toward the front of the vehicle to ensure proper operation of the SIR. The SDM could be activated if it is powered when it is not rigidly attached to the vehicle, resulting in unexpected deployment and possible injury.
| Step | Action | Value(s) | Yes | No |
| 1 | - Confirm the ignition switch "OFF".
- Wait for a minute the SDM charger to be discharged.
| - | Go to Step 2 | - |
| 2 | Visually inspect the connector and the wiring of passenger side airbag. Is the wiring damaged? | - | Replace the airbag wiring. | Go to Step 3 |
| 3 | - Confirm the ignition switch "OFF".
- Disconnect the connector of passenger side airbag module.
- Disconnect the connector of SDM wring.
- Check the resistance between the high, low terminal of passenger side airbag module and the ground.
Is the resistance higher than 50Ω? | 50Ω | Go to Step 4 | Replace the airbag wiring. |
| 4 | - Replace the SDM.
- Perform the BCM reprogramming procedure in order for the BCM to relearn the new SDM ID.
- Confirm the ignition switch "ON".
- Erase the DTC using scan tool.
- Perform the SIR Diagnostic System Check.
Is the DTC removed? | - | The System is OK. | Replace the passenger side airbag module. |
DTC B0021 - Right Front/passenger Side Deployment Loop (Short to Battery)
Caution : The sensing and diagnostic module(SDM) can maintain sufficient voltage to deploy the airbags and pretensioners for 1 minute after the ignition is OFF and the fuse has been removed. If the airbags and pretensioners are not disconnected, do not begin service until one minute has passed after disconnecting power to SDM. Otherwise, injury could result.
Caution : During service procedure, be very careful when handling the SDM. Never strike or jar the SDM. Never power the supplemental inflatable restraints(SIR) when the SDM is not rigidly attached to the vehicle. All SDM mounting bolts must be carefully tightened , and the arrow on the SDM must be point toward the front of the vehicle to ensure proper operation of the SIR. The SDM could be activated if it is powered when it is not rigidly attached to the vehicle, resulting in unexpected deployment and possible injury.
| Step | Action | Value(s) | Yes | No |
| 1 | - Confirm the ignition switch "OFF".
- Wait for a minute the SDM charger to be discharged.
| - | Go to Sep 2 | - |
| 2 | Visually inspect the connector and the wiring of passenger side airbag. Is the wiring damaged? | - | Replace the airbag wiring. | Go to Step 3 |
| 3 | - Confirm the ignition switch "OFF".
- Disconnect the connector of passenger side airbag module.
- Disconnect the connector of SDM wring.
- Check the resistance between the high, low terminal of passenger side airbag module and the battery.
Is the resistance higher than 50Ω? | 50Ω | Go to Step 4 | Replace the airbag wiring. |
| 4 | - Replace the SDM.
- Perform the BCM reprogramming procedure in order for the BCM to relearn the new SDM ID.
- Confirm the ignition switch "ON".
- Erase the DTC using scan tool.
- Perform the SIR Diagnostic System Check.
Is the DTC removed? | - | The system is OK. | Replace the passenger side airbag module. |
Diagnostic Trouble Code (DTC) B0022
Right Front/Passenger Pretensioner Deployment Loop
Circuit Description
When the ignition switch is turned to ON, the sensing and diagnostic module(SDM) will perform turn-on test to diagnose critical malfunctions within SDM itself.
Upon passing these test ignition and deployment loop voltages are measured to ensure that they are within their normal voltage ranges. The SDM monitors the voltages at the driver low and the passenger low to detect shorts to ground or voltage in the deploy loops.
The SDM checks the wiring connection to the passenger belt pretensioner deployment loop by letting the infinitesimal current flow through the internal circuit and verify the resistance.
DTC B0022 Will Set When
- Resistance Too High or Resistarnce Too Low - The resistance of passenger belt pretensioner deployment loop is higher than 3.54 ohms or lower than 1.77 ohms.
- Open Circuit - The passenger belt pretensioner deployment loop's high and low wiring.
- Short to Battery or Short to Ground - The passenger belt pretensioner deployment loop is shorted to battery or ground.
DTC B0022 - Right Front/Passenger Pretensioner Deployment Loop (Resistance Too High) or (Open Circuit)
Caution : The sensing and diagnostic module(SDM) can maintain sufficient voltage to deploy the airbags and pretensioners for 1 minute after the ignition is OFF and the fuse has been removed. If the airbags and pretensioners are not disconnected, do not begin service until one minute has passed after disconnecting power to SDM. Otherwise, injury could result.
Caution : During service procedure, be very careful when handling the SDM. Never strike or jar the SDM. Never power the supplemental inflatable restraints(SIR) when the SDM is not rigidly attached to the vehicle. All SDM mounting bolts must be carefully tightened , and the arrow on the SDM must be point toward the front of the vehicle to ensure proper operation of the SIR. The SDM could be activated if it is powered when it is not rigidly attached to the vehicle, resulting in unexpected deployment and possible injury.
| Step | Action | Value(s) | Yes | No |
| 1 | - Confirm the ignition switch "OFF".
- Wait for a minute to discharge the SDM charger.
| - | Go to Step 2 | - |
| 2 | Visually inspect the connector and the wiring of passenger belt pretensioner. Is the connector disconnected? | - | Connect the connector and go to Step 1 | Go to Step 3 |
| 3 | - Confirm the ignition switch "OFF".
- Disconnect the connector of the passenger belt pretensioner.
- Disconnect the connector of SDM wiring.
- Check the resistance between the terminal 6, 7 of SDM and the terminal 2, 1 of passenger belt pretensioner.
Is the resistance about 0(zero)? | ≈ 0 Ω | Go to Step 4 | Replace the airbag wiring. |
| 4 | - Replace the SDM.
- Perform the BCM reprogramming procedure in order for the BCM to relearn the new SDM ID.
- Confirm the ignition switch "ON".
- Erase the DTC using scan tool.
- Perform the SIR Diagnostic System Check.
Is the DTC removed? | - | The System is OK. | Replace the passenger belt pretensioner. |
DTC B0022 - Right Front/Passenger Pretensioner Deployment Loop (Resistance Too Low)
Caution : The sensing and diagnostic module(SDM) can maintain sufficient voltage to deploy the airbags and pretensioners for 1 minute after the ignition is OFF and the fuse has been removed. If the airbags and pretensioners are not disconnected, do not begin service until one minute has passed after disconnecting power to SDM. Otherwise, injury could result.
Caution : During service procedure, be very careful when handling the SDM. Never strike or jar the SDM. Never power the supplemental inflatable restraints(SIR) when the SDM is not rigidly attached to the vehicle. All SDM mounting bolts must be carefully tightened , and the arrow on the SDM must be point toward the front of the vehicle to ensure proper operation of the SIR. The SDM could be activated if it is powered when it is not rigidly attached to the vehicle, resulting in unexpected deployment and possible injury.
| Step | Action | Value(s) | Yes | No |
| 1 | - Confirm the ignition switch "OFF".
- Wait for a minute to discharge the SDM charger.
| - | Go to Step 1 | - |
| 2 | Visually inspect the connector and the wiring of passenger belt pretensioner. Is the wiring damaged? | - | Replace the airbag wiring. | Go to Step 3 |
| 3 | - Confirm the ignition switch "OFF".
- Disconnect the connector of the passenger belt pretensioner.
- Disconnect the connector of SDM wiring.
- Check the resistance between the terminal 2 and 1 of passenger belt pretensioner.
Is the resistance ∞? | ∞ | Go to Step 4 | Replace the airbag wiring. |
| 4 | - Replace the SDM.
- Perform the BCM reprogramming procedure in order for the BCM to relearn the new SDM ID.
- Confirm the ignition switch "ON".
- Erase the DTC using scan tool.
- Perform the SIR Diagnostic System Check.
Is the DTC removed? | - | The System is OK. | Replace the passenger belt pretensioner. |
DTC B0022 - Right Front/Passenger Pretensioner Deployment Loop (Short to Ground)
Caution : The sensing and diagnostic module(SDM) can maintain sufficient voltage to deploy the airbags and pretensioners for 1 minute after the ignition is OFF and the fuse has been removed. If the airbags and pretensioners are not disconnected, do not begin service until one minute has passed after disconnecting power to SDM. Otherwise, injury could result.
Caution : During service procedure, be very careful when handling the SDM. Never strike or jar the SDM. Never power the supplemental inflatable restraints(SIR) when the SDM is not rigidly attached to the vehicle. All SDM mounting bolts must be carefully tightened , and the arrow on the SDM must be point toward the front of the vehicle to ensure proper operation of the SIR. The SDM could be activated if it is powered when it is not rigidly attached to the vehicle, resulting in unexpected deployment and possible injury .
| Step | Action | Value(s) | Yes | No |
| 1 | - Confirm the ignition switch "OFF".
- Wait for a minute to discharge the SDM charger.
| - | Go to Step 2 | - |
| 2 | Visually inspect the connector and the wiring of passenger belt pretensioner. Is the wiring damaged? | - | Replace the airbag wiring. | Go to Step 3 |
| 3 | - Confirm the ignition switch "OFF".
- Disconnect the connector of the passenger belt pretensioner.
- Disconnect the connector of SDM wiring.
- Check the resistance between the high, low wiring of passenger belt pretensioner and the ground.
Is the resistance higher than 50Ω? | 50Ω | Go to Step 4 | Replace the airbag wiring. |
| 4 | - Replace the SDM.
- Perform the BCM reprogramming procedure in order for the BCM to relearn the new SDM ID.
- Confirm the ignition switch "ON".
- Erase the DTC using scan tool.
- Perform the SIR Diagnostic System Check.
Is the DTC removed? | - | The System is OK. | Replace the passenger belt pretensioner. |
DTC B0022 - Right Front/Passenger Pretensioner Deployment Loop (Short to Battery)
Caution : The sensing and diagnostic module(SDM) can maintain sufficient voltage to deploy the airbags and pretensioners for 1 minute after the ignition is OFF and the fuse has been removed. If the airbags and pretensioners are not disconnected, do not begin service until one minute has passed after disconnecting power to SDM. Otherwise, injury could result.
Caution : During service procedure, be very careful when handling the SDM. Never strike or jar the SDM. Never power the supplemental inflatable restraints(SIR) when the SDM is not rigidly attached to the vehicle. All SDM mounting bolts must be carefully tightened , and the arrow on the SDM must be point toward the front of the vehicle to ensure proper operation of the SIR. The SDM could be activated if it is powered when it is not rigidly attached to the vehicle, resulting in unexpected deployment and possible injury.
| Step | Action | Value(s) | Yes | No |
| 1 | - Confirm the ignition switch "OFF".
- Wait for a minute to discharge the SDM charger.
| - | Go to Step 2 | - |
| 2 | Visually inspect the connector and the wiring of passenger belt pretensioner. Is the wiring damaged? | - | Replace the airbag wiring. | Go to Step 3 |
| 3 | - Confirm the ignition switch "OFF".
- Disconnect the connector of the passenger belt pretensioner.
- Disconnect the connector of SDM wiring.
- Check the resistance between the high, low wiring of passenger belt pretensioner and the battery.
Is the resistance higher than 50Ω? | 50Ω | Go to Step 4 | Replace the airbag wiring. |
| 4 | - Replace the SDM.
- Perform the BCM reprogramming procedure in order for the BCM to relearn the new SDM ID.
- Confirm the ignition switch "ON".
- Erase the DTC using scan tool.
- Perform the SIR Diagnostic System Check.
Is the DTC removed? | - | The System is OK. | Replace the passenger belt pretensioner. |
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