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. Press the Universal Transmitter/Universal Garage Door Opener (UGDO) Switch.
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 THE UGDO MODULE
1. Disconnect the UGDO Module harness connector.
2. With the scan tool, read the BCM DTCs.
  Is the DTC active?
  
  Yes
  - Go To 3
  No
  - Replace the UGDO Module in accordance with the Service Information. Refer to CONSOLE, OVERHEAD, FRONT, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK THE (G38) UGDO ENABLE CONTROL 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 (G38) UGDO Enable Control circuit at the UGDO Module harness connector.
  Is there continuity between ground and the (G38) UGDO Enable Control circuit?
  
  Yes
  - Repair the (G38) UGDO Enable Control circuit for a short to ground.
  - 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 .