Circuit/System Verification
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON.
- Verify that no other DTCs are set.
- If any other DTCs are set
Refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- Go to next step: If no other DTCs are set
- If any other DTCs are set
- Replace the K71 Transmission Control Module.
- Verify that the DTC does not set while operating the vehicle within the Conditions for Running the DTC.
- If the DTC sets
Replace the K17 Electronic Brake Control Module.
- Go to next step: If the DTC does not set
- If the DTC sets
- All OK.