Manufacturer Code Charts: 11: 11.5

- This step requires that a valid diagnostic trouble code has been obtained, all prior diagnostic steps have been completed, and the affected wiring integrity has been verified.

NOTE: Make sure to complete all steps. Failure to do so could cause replacement of good components.

- Have all prior diagnostic steps been completed as described above?

YES -- Replace anti-lock electronic control module. Go to 11.6. 11.6

YES -- If anti-lock electronic control module has been replaced and no resolution has been reached, replace stoplight switch. Go to 11.6. 11.6

NO -- Go to diagnostic step last completed and continue.