Diagnostic Test
- CHECK FOR AN ACTIVE DTC
- With the scan tool, read Body Control Module (BCM) DTCs and record on the repair order.
- Record the Environmental Data.
- With the scan tool, erase DTCs.
- Using the recorded Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
- With the scan tool, read BCM DTCs.
Did the DTC return?
Yes
- Go To 2
No
- Perform the TESTING FOR INTERMITTENT CONDITIONS procedure. Refer to TESTING FOR AN INTERMITTENT CONDITION .
- CHECK FOR ADDITIONAL BCM DTCS
- With the scan tool, read BCM DTCs.
Are there any other Brake Pedal Switch DTCs set in the BCM?
Yes
- Perform the appropriate Brake Pedal Switch diagnostic test.
No
- Go To 3
- With the scan tool, read BCM DTCs.
- CHECK FOR ANTI-LOCK BRAKE SYSTEM (ABS) MODULE DTCS
- With the scan tool, read ABS Module DTCs.
Are there any Brake Pedal Switch DTCs set in the ABS Module?
Yes
- Perform the appropriate Brake Pedal Switch diagnostic test. Refer to DIAGNOSIS AND TESTING .
No
- Go To 4
- With the scan tool, read ABS Module DTCs.
- CHECK FOR RADIO FREQUENCY HUB (RFH) MODULE DTCS
- With the scan tool, read RFH DTCs.
Are there any Brake Pedal Switch DTCs set in the RFH?
Yes
- Perform the appropriate Brake Pedal Switch diagnostic test. Refer to DIAGNOSIS AND TESTING .
No
- Perform the COMMUNICATION DIAGNOSTIC PROCEDURE. Refer to STANDARD PROCEDURE .
- With the scan tool, read RFH DTCs.