Circuit/System Verification
WARNING: This page is about a different car, the 2017 GMC Yukon XL, 2017 GMC Yukon, 2017 Chevrolet Tahoe, and 2017 Chevrolet Suburban. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON, engine ON. Let engine run for at least 1 minute.
- Ignition OFF for at least 30 seconds to allow for the complete shutdown of the K69 Transfer Case Control Module.
- Ignition ON, engine OFF.
- Verify that no other transfer case DTC's are set.
- If any other transfer case DTC's are set
diagnose them first.
- If no other transfer case DTC's are set
- If any other transfer case DTC's are set
- Verify that DTC C0569 is not set.
- If DTC C0569 is set
perform the Range Actuator Learn procedure. Refer to Transfer Case High/Low Clutch Reset .
- If DTC C0569 is not set
- If DTC C0569 is set
- All OK.