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| • | Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. |
| • | Review Strategy Based Diagnosis for an overview of the diagnostic approach. |
| • | Diagnostic Procedure Instructions provides an overview of each diagnostic category. |
With each press of a keyless entry transmitter button, a message containing the current battery state of the transmitter is sent to the remote control door lock receiver, along with the commanded keyless entry function. The remote control door lock receiver sends this to the body control module (BCM) to perform the requested function.
A keyless transmitter button is pressed.
3 consecutive low battery signals are received from the same transmitter.
The keyless entry system is inoperative.
The DTC is cleared when a normal transmitter voltage signal is received from the transmitter that set the DTC.
Keyless Entry System Description and Operation
Control Module References for scan tool information
| • | DTC B3109 |
| • | DTC B3110 |
| • | DTC B3111 |
| • | DTC B3112 |
| • | DTC B3113 |
If any of the DTCs are set
| 1.1. | Replace the battery in the appropriate keyless entry transmitter and operate the transmitter 3 consecutive times. |
| 1.2. | Verify the DTC does not reset. |
If the DTC resets, replace the keyless entry transmitter.
If the DTC does not reset
| 1.3. | All OK. |
If none of the DTCs are set
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Key with Integrated Transmitter Programming
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