Four-Wheel Drive (4WD) Systems DTCS
Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to Diagnostic Methods in Service Information for information about these practices.
DTC INDEX
| DTC | Description | Action |
|---|---|---|
| P164D | AWD ID Block Corrupted, Not Programmed | CLEAR the DTC. REPEAT the self-test. If the DTC returns, PROGRAM the PCM with the Active Torque Coupling (ATC) solenoid bar code information. REFER to Automatic Torque Coupling (ATC) Configuration . |
| 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 . |
| P188C | AWD Relay Module Communication Circuit | 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 . |