Checking Diagnostic Trouble Codes In CEM And ECM
If there are any diagnostic trouble codes for the brake pedal position sensor or the brake light switch stored in the engine control module (ECM) or in the central electronic module (CEM), perform troubleshooting of these first.
Were any diagnostic trouble codes stored for the pedal position sensor or brake light switch?
- YES
OKAY: Troubleshooting has been completed.
- NO