Test Description

The numbers below refer to the step numbers in the diagnostic procedures.

1. 2
   
   Disconnecting the brake switch connector, and observing a status change, isolates the brake switch as the source of the DTC.
2. 3
   
   This step inspects the signal circuit for a short to voltage, if the brake switch status on the scan tool did not change in step 2.
3. 4
   
   If the brake switch is properly adjusted, then the brake switch must be replaced.
4. 5
   
   Replace the PCM only after you have completed the preceding diagnostic steps.