Manufacturer Code Charts: 6: 6.7

- 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.

CAUTION: Make sure to complete all test steps. Failure to do so could cause replacement of good parts.

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

YES -- Replace anti-lock electronic control module. Go to Step 6.8. 6.8

YES -- If anti-lock electronic control module has been replaced and no resolution has been reached, replace rear axle speed sensor. Go to step 6.8. 6.8

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