Circuit/System Verification
WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON.
- Verify that DTC C0413 is not set.
- If the DTC is set
- Perform the Rear Differential Hydraulic System Service Bleed procedure with a scan tool. Refer to Rear Differential Hydraulic System Service Fill/Bleed .
- Verify DTC C0413 is not set.
- If the DTC is set, verify there are no internal/external leaks or mechanical damages and that all differential fluid levels are at the proper levels. Refer to Rear Axle Lubricant Level Inspection , and Differential Clutch Oil Inspection (226mm eLSD) .
- If no internal/external leaks or mechanical damage is found, replace the K4 7 Rear Differential Clutch Control Module.
- If the DTC is not set
- All OK.
NOTE:The Rear Differential Clutch Control Module can run this procedure up to 3 attempts to get a Pass.
- If the DTC is not set
- All OK.