Checking Diagnostic Trouble Codes (DTCs)

Checking Diagnostic Trouble Codes (DTCs)
Check whether any diagnostic trouble codes (DTCs) are stored in the brake control module (BCM) or in the central electronic module (CEM).

Any diagnostic trouble codes (DTCs) stored in the brake control module (BCM) or central electronic module (CEM) must be remedied first.

Have fault causes been traced or remedied in the brake control module (BCM) or central electronic module (CEM)?

YES: Continue with Test.
NO: Refer to Trouble Code Descriptions. Diagnostic Trouble Code Descriptions