Diagnostic Test

WARNING: This page is about a different car, the 2016 Dodge Durango. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR AN ACTIVE DTC
1. Turn the ignition on.
2. Turn the Courtesy Lamps on.
3. With the scan tool, read the Body Control Module (BCM) DTCs and record on the repair order.
  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 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 .
CHECK EACH LAMP ON THE (M11) COURTESY LAMPS DRIVER CIRCUIT FOR A SHORT TO GROUND
NOTE:
Using the wiring diagram as a guide, disconnect each component on the circuit one at a time and check for an active DTC.
1. Turn the ignition off.
2. Disconnect one of the lamps on the circuit.
3. Turn the ignition on.
4. With the scan tool, read the BCM DTCs.
  Is the DTC active?
  
  Yes
  - Repeat this step for all the lamps on the circuit. Once all the lamps are disconnected: Go To 3
  No
  - Replace the Courtesy Lamp Bulb causing the short to ground condition in accordance with the Service Information. Refer to LAMP, COURTESY, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK THE (M11) COURTESY LAMPS DRIVER CIRCUIT FOR A SHORT TO GROUND
1. Turn the ignition off.
2. Disconnect the BCM C7/G harness connector.
3. Check for continuity between ground and the (M11) Courtesy Lamps Driver circuit at the BCM C7/G harness connector.
  Is there continuity between ground and the (M11) Courtesy Lamps Driver circuit?
  
  Yes
  - Repair the short to ground in the (M11) Courtesy Lamps Driver circuit.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Replace the Body Control Module (BCM) in accordance with the Service Information. Refer to MODULE, BODY CONTROL, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .