Circuit/System Verification

WARNING: This page is about a different car, the 2020 GMC Terrain and 2020 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.

Engine 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
Verify the backup lamps turn ON when transmission is shifted into reverse.
- If the backup lamps do not turn ON
  Refer to Backup Lamps Malfunction .
- Go to next step: If the backup lamps do turn ON
Clear DTCs
Verify the DTC does not set while operating the vehicle within the Conditions for Running the DTC.
- If the DTC is set
  Replace the K17 Electronic Brake Control Module.
- Go to next step: If the DTC is not set
All OK.