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Rear Driveline Module Operation

WARNING: This page is about a different variant/trim than selected.

Driveline module operation requires relatively straight-forward diagnosis. Refer to the following chart:

CONDITION  POSSIBLE CAUSES  CORRECTION 
No AWD in forward or reverse directions, propeller shaft turning 1. Check ECC 1. Review ECC diagnostic service information
2. Rear differential failure 2. Replace the rear differential assembly
No AWD in forward or reverse directions, propeller shaft not turning 1. Power transfer unit failure. 1. Replace power transfer unit components as necessary
Vibration at all speeds, continuous torque transfer 1. Mis-matched tires, worn tires on front axle. 1. Replace worn or incorrect (mis-matched) tires with same make and size
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