Circuit/System Verification
WARNING: This page is about a different car, the 2013 GMC Yukon XL, 2013 GMC Yukon, 2013 Chevrolet Tahoe, 2013 Chevrolet Suburban, and 2013 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Key ON, engine OFF.
- Connect a scan tool.
- Monitor the IPS and RPS parameters on the scan tool. Using the transfer case encoder motor, shift the transfer case into all modes. The IPS and RPS parameters should track each other.
- Verify DTC C0396 is only set as a history DTC.
- If the DTC is set as current
Refer to Circuit/System Testing .
- If the DTC is set as history
- If the DTC is set as current
- Visually inspect each connector terminal of the transfer case encoder motor connector and the transfer case control module for damage or corrosion. Repair as necessary.
- Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data. The DTC should not set.
- If the DTC sets
Refer to Circuit/System Testing .
- If the DTC does not set
- If the DTC sets
- All OK.
NOTE:
After inspection, apply Nyogel lubricant 760G to each connector terminal. Ensure each connector and CPA is correctly seated.