DTC U0001-88/U0100-00/U0101-00/U0121-00: Communication Error [AWD Control Module]: Notes
DTC U0001:88/U0100:00/U0101:00/U0121:00 (AWD CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE
| DTC U0001:88 |
CAN system Communication error |
| DTC U0100:00 |
Communication error to PCM |
| DTC U0101:00 |
Communication error to TCM |
| DTC U0121:00 |
Communication error to DSC HU/CM |
| DETECTION CONDITION |
- U0001:88
- Open or short circuit in CAN system wiring harness is detected.
- U0100:00
- Communication error with PCM is detected in CAN communication.
- U0101:00
- Communication error with TCM is detected in CAN communication.
- U0121:00
- Communication error to DSC HU/CM is detected in CAN communication
|
| FAIL-SAFE FUNCTION |
- U0001:88, U0100:00, U0121:00
- U0101:00
- Lost gear position signal: AWD operates by the specified data.
- Except above: Control disabled.
|
| POSSIBLE CAUSE |
- CAN system wiring harness open or short circuit
- CAN system wiring harness open or short circuit with PCM
- CAN system wiring harness open or short circuit with TCM
- CAN system wiring harness open or short circuit with DSC HU/CM
|
| SYSTEM WIRING DIAGRAM |
Not applicable |