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.

DTC PRESENT
NOTE:
The vehicle should be at room temperature when this test is performed.
1. With the scan tool, record and erase the DTCs and any liftgate inhibitors.
2. Cycle the ignition off, wait 20 seconds, then cycle the ignition on.
3. Be sure the liftgate is closed.
4. Open and close the liftgate several times.
5. With the scan tool, read the Active DTCs.
  Does the scan tool display; B1945-11-POWER LIFTGATE PINCH SENSOR 2 - 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 .
RIGHT LIFTGATE PINCH SENSOR SHORTED

Fig 1: Checking Right Liftgate Pinch Sensor For Short
Courtesy of CHRYSLER GROUP, LLC
1. Disconnect the Right Liftgate Pinch Sensor harness connector.
2. Erase the DTCs.
3. Cycle the ignition off, wait 10 seconds, then cycle the ignition on.
4. With the scan tool, read the Active DTCs.
  Does the scan tool display; B1945-11-POWER LIFTGATE PINCH SENSOR 2 - CIRCUIT SHORT TO GROUND?
  
  Yes
  - Go To 3
  No
  - Replace the Right Liftgate Pinch Sensor in accordance with the service information. Refer to SENSOR, PINCH, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
(Q78) RIGHT PINCH SENSOR SIGNAL CIRCUIT SHORTED TO GROUND

Fig 2: Checking Right Pinch Sensor Signal Circuit For Short To Ground
Courtesy of CHRYSLER GROUP, LLC
1. Cycle the ignition off.
2. Disconnect the Power Liftgate Module C2 harness connector.
3. Measure the resistance between ground and the (Q78) Right Pinch Sensor Signal circuit.
  Is the resistance below 20K Ohms?
  
  Yes
  - Repair the (Q78) Right Pinch Sensor Signal circuit for a short to ground.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 4
(Q78) RIGHT PINCH SENSOR SIGNAL CIRCUIT SHORTED TO THE (Q901) LOGIC GROUND CIRCUIT

Fig 3: Checking Right Pinch Sensor Signal Circuit For Short To Logic Ground Circuit
Courtesy of CHRYSLER GROUP, LLC
1. Measure the resistance between the (Q78) Right Pinch Sensor Signal circuit and the (Q901) Logic Ground circuit.
  Is the resistance below 20K Ohms?
  
  Yes
  - Repair the (Q78) Right Pinch Sensor Signal circuit for a short to the (Q901) Logic 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 .