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Symptom Chart: Notes

Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices.

Condition Actions
Incorrect torque transferred to front axle after installing new transfer case GO to Pinpoint Test Q 
The AWD module does not respond to the diagnostic scan tool REFER to: Communications Network .
The ATCM does not respond to the diagnostic scan tool REFER to: Communications Network .
The transfer case does not transfer torque correctly Possible Sources:
Transfer case clutch actuator position sensor faults or Transfer case clutch actuator reduction gearset binding or Transfer case clutch actuator 
- GO to Pinpoint Test R transfer case clutch worn or damaged 
GO to Pinpoint Test S 
Wiring harness faults 
GO to Pinpoint Test T 
AWD module 
GO to Pinpoint Test U 
Fluid leak from Transfer Case Possible Sources:
Case seal 
GO to Pinpoint Test V 
Input/output shaft seals 
GO to Pinpoint Test W 
Actuator shaft seal Vent or Vent 
GO to Pinpoint Test X 
Front axle binding on sharp turns on dry pavement GO to Pinpoint Test Y 
4WD Temporarily Locked message displayed Possible Sources:
Vehicle driven in extreme terrain 
GO to Pinpoint Test Z 
Internal transfer case damage 
GO to Pinpoint Test AA