Possible Causes
NOTE:
Circuit reference - L1 (U)/L2 (V)/L3 (W) -
- Rear drive unit hydraulic pipe(s) damaged/blocked
- Leakage in the rear drive unit hydraulic system
- Rear drive unit pump circuit short circuit to ground, short circuit to power, open circuit, high resistance
- All wheel drive control module is not configured correctly
- All wheel drive control module internal failure