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This list includes all Data Communications related U-code DTCs in alphanumeric order with descriptors for all modules. Not all DTCs listed will be applicable to all vehicles.
DTC | DTC Descriptor |
|---|---|
U0001 | High Speed CAN Bus Malfunction |
U0002 | High Speed CAN Bus |
U0020 | Low Speed CAN Bus |
U0073 | Control Module Communication Bus A Off |
U0074 | Control Module Communication Bus B Off |
U0100 | Lost Communication with Engine Control Module |
U0101 | Lost Communication with Transmission Control Module |
U0102 | Lost Communication with Transfer Case Control Module |
U0104 | Lost Communication with Cruise Control Module |
U0109 | Lost Communication with Fuel Pump Control Module |
U0115 | Lost Communication with ECM 2 |
U0117 | Lost Communication with Power Take-Off Control Module |
U0121 | Lost Communication with Electronic Brake Control Module |
U0122 | Lost Communication with Vehicle Stability Control Module |
U0125 | Lost Communication with Multi-axis Acceleration Sensor Module |
U0126 | Lost Communication with Steering Wheel Angle Sensor Module |
U0128 | Lost Communication with Park Brake Control Module |
U0129 | Lost Communication with Brake System Control Module |
U0130 | Lost Communication with Electric Power Steering Control Module |
U0136 | Lost Communication with Differential Control Module - Rear |
U0139 | Lost Communication with Suspension Control Module |
U0140 | Lost Communication with Body Control Module |
U0146 | Lost Communication with Gateway |
U0151 | Lost Communication with Inflatable Restraint Sensing and Diagnostic Module |
U0155 | Lost Communication with Instrument Cluster |
U0158 | Lost Communication with Head-Up Display |
U0159 | Lost Communication with Parking Assist Control Module |
U0160 | Lost Communication with Chime Alarm Control Module |
U0164 | Lost Communication with HVAC Control Module |
U0166 | Lost Communication with Auxiliary Heater Control Module |
U0168 | Lost Communication with Keyless Entry Control Module |
U0170 | Lost Communication with Restraints System Sensor A |
U0181 | Lost Communication with Headlamp Levelling Control Module |
U0182 | Lost Communication with Lighting Control Module - Front |
U0184 | Lost Communication with Radio |
U0186 | Lost Communication with Speaker Amplifier Module |
U0196 | Lost Communication with Rear Audio Control Module |
U0191 | Lost Communication with Television |
U0193 | Lost Communication with Digital Radio Receiver Control Module |
U0197 | Lost Communication with Telephone Control Module |
U0198 | Lost Communication with Telematic Control Module |
U0201 | Lost Communication with Transfer Case Control Module |
U0208 | Lost Communication with Memory Seat Control Module |
U0230 | Lost Communication with Tailgate Control Module |
U0236 | Lost Communication with Steering Column Lock Module |
U0237 | Lost Communication with Multimedia Player Interface Module |
U023A | Lost Communication with Vehicle Direction Camera Control Module |
U0249 | Lost Communication with Rear Radio Audio Control Module |
U0252 | Lost Communication with Trailer Interface Module |
U0254 | Lost Communication with Remote Start Module |
U0255 | Lost Communication with Info Display Module |
U0256 | Lost Communication with Infotainment Faceplate Control Module |
U0257 | Lost Communication with Info Display Module/Infotainment Faceplate Control Module |
U0264 | Lost Communication with Camera Module - Rear |
U0293 | Lost Communication with HP2 Powertrain Control Module |
U0301 | Software Incompatibility with Engine Control Module |
U0315 | Software Incompatibility with Electronic Brake Control Module |
U0401 | Invalid Data Received from ECM |
U0402 | Invalid Data Received from Transmission Control Module |
U0405 | Invalid Data Received from Cruise Control Module |
U0415 | Invalid Data Received from Electronic Brake Control Module |
U0422 | Invalid Data Received from Body Control Module |
U0424 | Invalid Data Received from HVAC Control Module |
U0432 | Invalid Data Received from Multi-axis Acceleration Sensor Module |
U0465 | Invalid Data Received from Power Take-Off Control Module |
U1501 | LIN Bus 1 |
U1502 | LIN Bus 2 |
U1510 | (K9 BCM) LIN Bus 1 Lost Communication with Device 0 (K38 Intrusion Sensor Module) |
U1510 | (K33 HVAC Control Module) LIN Bus 1 Lost Communication with Device 0 (A26 HVAC Control) |
U1511 | (K26 Headlamp Control Module) LIN Bus 1 Lost Communication with Device 1 (E3LH Left Headlamp) |
U1512 | (K26 Headlamp Control Module) LIN Bus 1 Lost Communication with Device 2 (E3RH Right Headlamp) |
U1513 | LIN Bus 1 Lost Communication with Device 3 |
U1514 | LIN Bus 1 Lost Communication with Device 4 |
U1515 | (K9 BCM) LIN Bus 1 Lost Communication with Device 5 (B117 Windscreen Outside Moisture Sensor) |
U1517 | (K9 BCM) LIN Bus 1 Lost Communication with Device 7 (Wiper Module) |
U1519 | (K40 MSM) LIN Bus 1 Lost Communication with Device 9 (S52 Outside Wing Mirror Switch) |
U151A | (K9 BCM) LIN Bus 1 Lost Communication with Device 10 (B117 Windscreen Outside Moisture Sensor) |
U151B | (K9 BCM) LIN Bus 1 Lost Communication with Device 11 (Sunroof Control Module) |
U151B | (K40 MSM) LIN Bus 1 Lost Communication with Device 11 (S79P Window Switch - Passenger) |
U1520 | (K9 BCM) LIN Bus 2 Lost Communication with Device 0 (P25 Power Sounder) |
U1521 | (K26 Headlamp Control Module) LIN Bus 2 Lost Communication with Device 1 (E3LH Left Headlamp) |
U1522 | (K9 BCM) LIN Bus 2 Lost Communication with Device 2 (K65 Tyre Pressure Module) |
U1522 | (K26 Headlamp Control Module) LIN Bus 2 Lost Communication with Device 2 (E3RH Right Headlamp) |
U1523 | LIN Bus 2 Lost Communication with Device 3 |
U1524 | LIN Bus 2 Lost Communication with Device 4 |
U152C | (K9 BCM) LIN Bus 2 Lost Communication with Device 12 (K18 Electronic Compass Module) |
U152D | (K9 BCM) LIN Bus 2 Lost Communication with Device 13 (S3 Automatic Gearbox Change Lever) |
U1530 | (K9 BCM) LIN Bus 3 Lost Communication with Device 0 (M74P Window Motor - Passenger) |
U1534 | (K9 BCM) LIN Bus 3 Lost Communication with Device 4 (M74D Window Motor - Driver) |
U1538 | (K9 BCM) LIN Bus 3 Lost Communication with Device 8 (S79P Window Switch - Passenger) |
U153A | (K9 BCM) LIN Bus 3 Lost Communication with Device 10 (S79D Window Switch - Driver) |
U1540 | (K9 BCM) LIN Bus 4 Lost Communication with Device 0 (M74RR Window Motor - Right Rear) |
U1544 | (K9 BCM) LIN Bus 4 Lost Communication with Device 4 (M74LR Window Motor - Left Rear) |
U1548 | (K9 BCM) LIN Bus 4 Lost Communication with Device 8 (S79RR Window Switch - Right Rear) |
U154A | (K9 BCM) LIN Bus 4 Lost Communication with Device 10 (S79LR Window Switch - Left Rear) |
U1814 | Powertrain Wake Up Communication Circuit |
U1826 | Lost Communication with Multi-Axis Acceleration Sensor Module on Bus B (Chassis Expansion Bus) |
U1827 | Lost Communication with Steering Angle Sensor Module on Bus B (Chassis Expansion Bus) |
U18B9 | Primary High Speed CAN Bus Subnet Configuration List |
U18BF | Secondary High Speed CAN Bus Subnet Configuration List |
U1901 | Lost Communication with Front Controls Multifunction Interface Module |
U2099 | High Speed Communication Enable Circuit |
U2100 | CAN Bus Communication |
U2101 | CAN Bus Maximum Configuration List |
U2103 | Fewer Controllers On Bus Than Programmed |
U2105 | Lost Communication with Engine Control Module |
U2106 | Lost Communication with Transmission Control Module |
U2107 | Lost Communication with Body Control Module |
U2108 | Lost Communication with Electronic Brake Control Module |
U2127 | Lost Communication with Front HVAC Control Module |
U2139 | Lost Communication with Column Integrated Module |
U2144 | Lost Communication with Distance Sensing Cruise Control Module |
U2176 | Lost Communication with Power Take-Off Control Module |
U2178 | Lost Communication with Trailer Interface Control Module |
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