Checking Diagnostic Trouble Codes In The Central Electronic Module (CEM) And The Engine Control Module (ECM)
If there are diagnostic trouble codes (DTCs) for the brake pedal position sensor or stop lamp switch stored in the engine control module (ECM) or central electronic module (CEM), these must be fault traced first.
Were diagnostic trouble codes (DTCs) stored for the pedal position sensor or the stop lamp switch?
- YES
OKAY: Troubleshooting has been completed.
- NO