Circuit/System Verification
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Verify the following DTCs are not set in the modules as follows:
- Verify DTC U0111 is not set in the SDGM.
- If the DTC is set, refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- Verify DTC U1888 is not set in the HPCM.
- If the DTC is set, refer to Diagnostic Trouble Code (DTC) List - Vehicle .