Diagnostic Test

WARNING: This page is about a different car, the 2012 Dodge Durango. However, it is still accessible from the selected car via links, so may be relevant.

DTC PRESENT
1. With the scan tool, record the DTCs.
2. Erase the DTCs.
3. Turn the ignition off, wait 10 seconds, then turn the ignition on.
4. Operate the liftgate several times from the front switch.
5. With the scan tool, read the Active DTCs.
  Does the scan tool display; B18E1-11-POWER LIFTGATE FRONT ZONE SWITCH - CIRCUIT SHORT TO GROUND?
  
  Yes
  - Go To 2.
  No
  - Test complete, 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.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
LIFTGATE RELEASE SWITCH SHORTED

Fig 1: Front Power Liftgate Switch Harness Connector End View
Courtesy of CHRYSLER GROUP, LLC
1. Disconnect the Front Power Liftgate Switch harness connector in the overhead console.
2. Erase the DTCs.
3. Turn the ignition off, wait 10 seconds, then turn the ignition on.
4. With the scan tool, read the Active DTCs.
  Does the scan tool display; B18E1-11-POWER LIFTGATE FRONT ZONE SWITCH - CIRCUIT SHORT TO GROUND?
  
  Yes
  - Go To 3.
  No
  - Replace the Front Power Liftgate Switch (Overhead Console) in accordance with the Service Information. Refer to CONSOLE, OVERHEAD, FRONT, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
(G25) LIFTGATE SWITCH SENSE CIRCUIT SHORTED TO GROUND

Fig 2: Checking Liftgate Switch Sense Circuit For Short To Ground
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Disconnect the Power Liftgate Module C2 harness connector.
3. Measure the resistance between ground and the (G25) Liftgate Switch Sense circuit.
  Is the resistance below 10K Ohms?
  
  Yes
  - Repair the (G25) Liftgate Switch Sense circuit for a short to ground.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Replace the Power Liftgate Module in accordance with the Service Information. Refer to MODULE, POWER LIFTGATE CONTROL, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .