Circuit/System Verification
- Ignition ON.
- Verify the center high mounted stop lamp on the vehicle turns ON and OFF when commanding the Center Brake Lamp ON and OFF with a scan tool.
- If the center high mounted stop lamp does not turn ON and OFF
Refer to Stop Lamps Malfunction .
- Go to next step: If the center high mounted stop lamp turns ON and OFF
Test or replace the K9 Body Control Module.
- If the center high mounted stop lamp does not turn ON and OFF