DTC Chart
Diagnostics in this information assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to DIAGNOSTIC METHODS for information about these practices.
DTC CHART
| 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 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 | CLEAR the DTCs. REPEAT the self-test. If DTC returns, GO to PINPOINT TEST D . |
| P188D | AWD Relay Module Feedback Circuit | CLEAR the DTCs. REPEAT the self-test. If DTC returns, GO to PINPOINT TEST D . |