Four Wheel Drive System DTCS: Pcm
DTC INDEX
| DTC | Description | Action |
|---|---|---|
| P164D | AWD ID Block Corrupted, Not Programmed | CLEAR the DTC. REPEAT the self-test. If DTC returns, enter the ID located on the RDU and program into the PCM. |
| P181F | Clutch Control System Performance | This an internal AWD relay module fault. INSTALL a new AWD relay module. REFER to All Wheel Drive (AWD) Relay Module . |
| P182B | Transfer Case Fluid Temperature Sensor Circuit Range/Performance | GO to Pinpoint Test B . |
| P182C | Transfer Case Fluid Temperature Sensor Circuit Low | GO to Pinpoint Test B . |
| P182D | Transfer Case Fluid Temperature Sensor Circuit High | GO to Pinpoint Test B . |
| P187B | Tire Size Out of Acceptable Range - AWD Disabled / Limited Function | GO to Pinpoint Test C . |
| P188B | AWD Clutch Control Circuit | GO to Pinpoint Test D . |
DTC INDEX
| P188C | AWD Relay Module Communication Circuit |
NOTE:
DTC P188C can be falsely set when performing output state control on the ATC by commanding the PID AWD_CLTCH_CMD# to 0% duty cycle. CLEAR the DTCs. REPEAT the self-test. If DTC returns, GO to Pinpoint Test E
. |
|---|---|---|
| P188D | AWD Relay Module Feedback Circuit | CLEAR the DTCs. REPEAT the self-test. If DTC returns, GO to Pinpoint Test E . |