Conditions for Setting the DTC: C1118: Notes
WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
This DTC will set as current DTC, if one of the following conditions is true for more than 1 second:
- The TBCM detects an open in the user gain switch circuit.
- The TBCM detects short to ground in the user gain switch circuit.
- The TBCM detects short to battery positive in the user gain switch circuit.