#PIP5336A: Rear Axle Off Message In The DIC - (Jun 3, 2016)

Subject:*
Rear Axle Off Message In The DIC
Models:* 2016 Cadillac ATS-V

This Pi has been superseded to include repair instructions please discard PIP5336.


The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.

Condition/Concern

Some customers may comment on a Rear Axle Off message Displayed in the DIC. Customer may also indicate the message goes away as soon as it comes on.*
The concern may happen while driving highway speeds in a straight line.*The rear differential module will reset causing a 135 ms lapse of limited slip operation typically no DTC’s are set and it is very hard to duplicate.

Recommendation/Instructions

Verify the exact message that the customer reported. A Service Rear Axle message would have DTCs stored and should be addressed and repaired. A Rear Axle Off message with a C0414 Sym54 should also be diagnosed and repaired. If there are no Rear Differential Control Module dtc's then reprogram the Rear Differential Control Module and perform module set up as outlined in Service Information.