Diagnostic Test
- READ AND RECORD DTCS AND ENVIRONMENTAL DATA - ERASE DTCS AND CHECK FOR DTC TO RETURN
- With the scan tool, read DTCs in all Electronic Control Units (ECU's) and record on the repair order.
- With the scan tool, run a vehicle Scan Report, or record the Environmental Data related to the DTCs.
- With the scan tool, erase all DTCs.
- Turn the ignition off for a minimum of 10.0 seconds.
- Turn the ignition on.
- Using the recorded Environmental Data and the When Monitored Conditions above, operate the vehicle in the conditions that set the DTC.
- With the scan tool, read DTCs.
Did the DTC return?
Yes
- Go To 2
No
- Perform the appropriate INTERMITTENT CONDITION diagnostic procedure. Refer to: TESTING FOR AN INTERMITTENT CONDITION .
- CHECK BCM VEHICLE CONFIGURATION
- CHECK FOR BCM CORRECT HARDWARE
- Access BCM. Refer to MODULE, BODY CONTROL (BCM), REMOVAL AND INSTALLATION .
- Confirm correct part number.
Is it the correct part number?
Yes
- Go To 4
No
- Replace BCM in accordance with the Service information. Refer to MODULE, BODY CONTROL (BCM), REMOVAL AND INSTALLATION .
- Perform the BODY VERIFICATION TEST. Refer to: BODY VERIFICATION TEST .
- CHECK FOR CORRECT LBSS
- Access LBSS. Refer to MODULE, BLIND SPOT (BSM), REMOVAL AND INSTALLATION
.NOTE:
Do Not Change if the part is not the latest part level, just confirm that it is a Wrangler part.
- Confirm correct part number.
Is it the correct part number?
Yes
- Go To 5
No
- Replace LBSS in accordance with the Service information. Refer to MODULE, BLIND SPOT (BSM), REMOVAL AND INSTALLATION .
- Perform the BODY VERIFICATION TEST. Refer to: BODY VERIFICATION TEST .
- Access LBSS. Refer to MODULE, BLIND SPOT (BSM), REMOVAL AND INSTALLATION
.
- RESET BCM VEHICLE CONFIGURATION
- With the scan tool, restore BCM vehicle configuration.
- With the scan tool, erase all DTCs.
- Turn the ignition off for a minimum of 10.0 seconds.
- Turn the ignition on.
- Using the recorded Environmental Data and the When Monitored Conditions above, operate the vehicle in the conditions that set the DTC.
- With the scan tool, read DTCs.
Did the DTC return?
Yes
- Go To 3
No
- Test complete.