Diagnostic Test
WARNING: This page is about a different car, the 2020 Chrysler 300 and 2019 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK FOR AN ACTIVE DTC
- Turn the ignition on.
- Turn the ignition off, wait ten seconds then turn the ignition on.
- With the scan tool, read DTCs.
Is the DTC active?
Yes
- Go to 2
No
- The condition or conditions that originally set this DTC are not present at this time. Using the appropriate SYSTEM WIRING DIAGRAMS as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals and correct pin tension. If no problems are found, test complete.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
- VERIFY COMMUNICATION WITH BCM
- With the scan tool, read the active modules on the bus.
Does the scan tool show the BCM active on the bus?
Yes
- Go to 3
No
- Refer to COMMUNICATION - NON-DTC BASED DIAGNOSTICS DIAGNOSIS AND TESTING and perform the No Response From BCM diagnostic procedure.
- With the scan tool, read the active modules on the bus.
- CHECK BCM FOR ACTIVE DTCS
- With the scan tool, erase BCM DTCs.
- Turn the ignition off. Wait approximately ten seconds.
- Turn the ignition on.
- With the scan tool, read BCM DTCs and record on the repair order.
Are any active DTCs present?
Yes
- Refer to BODY CONTROL MODULE (BCM) - DIAGNOSTIC CODE INDEX and perform the appropriate diagnostic procedure.
No
- Go to 4
- CHECK THE VEHICLE CONFIGURATION INFORMATION WITH SCAN TOOL
- With the scan tool run an ECU Details Report, read the Original and Current VINs, and the Body Style of the vehicle.
Does the information displayed match the vehicle?
Yes
- Replace the Body Control Module (BCM) in accordance with the Service Information.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
No
- Go to 5
- With the scan tool run an ECU Details Report, read the Original and Current VINs, and the Body Style of the vehicle.
- PERFORM THE PROXI-ALIGNMENT PROCEDURE
- With the scan tool, perform the proxi-alignment procedure.
- Turn the ignition off, then back on.
- With the scan tool, read DTCs.
Is the DTC active?
Yes
- Replace the Body Control Module (BCM) in accordance with the Service Information.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
No
- The condition or conditions that originally set this DTC are not present at this time. Using the appropriate SYSTEM WIRING DIAGRAMS as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals and correct pin tension. If no problems are found, test complete.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .