Step | Action | Yes | No | ||||
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Important: The Lighting Diagnostic System Check applies to courtesy/illuminated entry lamps only. Upon verifying the condition, if it is determined that the condition exists in exterior lighting or interior lamps dimming. Refer to the Symptoms - Lighting Systems . | |||||||
1 | Perform the Displaying DTC Codes procedure in order to enter the diagnostic mode and display any DTCs. Refer to On-Board Diagnostic Features in Body Control System. Did you enter Diagnostic Mode ? | Go to Step 2 | Go to Cannot Enter BCM Diagnostics in Body Control System | ||||
2 | Does the BCM flash any of the following codes:
| Go to Step 3 | |||||
3 | Does the Body Control Module (BCM) display or sound any other DTCs? | Go to Diagnostic Trouble Code (DTC) List in Body Control System | |||||
