Four Wheel Drive (4WD) Systems DTCS
DTC INDEX
| DTC | Description | Action |
|---|---|---|
| P164D | AWD ID Block Corrupted, Not Programmed | Enter the ID located on the RDU and program into the PCM. |
| P181F | Clutch Control System Performance | This is an internal AWD relay module fault. INSTALL a new AWD relay module. REFER to All Wheel Drive (AWD) Relay Module . |
| P187B | Tire Size Out of Acceptable Range - AWD Disabled / Limited Function | GO to Pinpoint Test B . |
| P188B | AWD Clutch Control Circuit | GO to Pinpoint Test C . |
| P188C | AWD Relay Module Communication Circuit |
NOTE:
P188C can be inadvertently set when performing output state control on the ATC by commanding the AWD_CLTCH_CMD# PID to 0%. CLEAR the DTC. REPEAT the self-test. If DTC returns, GO to Pinpoint Test D
. |
| P188D | AWD Relay Module Feedback Circuit | CLEAR the DTC. REPEAT the self-test. If DTC returns, GO to Pinpoint Test D . |