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
1. With the scan tool, record and erase the DTCs and any liftgate inhibitors.
2. Turn the ignition off, wait 10 seconds, then turn the ignition on.
3. Operate the liftgate several times.
4. With the scan tool, read the Active DTCs.
  Does the scan tool display; B1886-11-LIFTGATE PINCH SENSOR - 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 .
LEFT PINCH SENSOR SHORTED

Fig 1: Checking Left Pinch Sensor For Short
Courtesy of CHRYSLER GROUP, LLC
1. Disconnect the Left Liftgate Pinch Sensor harness connector.
2. Erase the DTCs.
3. Turn the ignition off, wait 20 seconds, then turn the ignition on.
4. With the scan tool, read the Active DTCs.
  Does the scan tool display; B1886-11-LIFTGATE PINCH SENSOR - CIRCUIT SHORT TO GROUND?
  
  Yes
  - Go To 3.
  No
  - Replace the Left Liftgate Pinch Sensor in accordance with the Service Information. Refer to SENSOR, PINCH, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK THE (Q75) LEFT PINCH SENSOR SIGNAL FOR A SHORT TO GROUND

Fig 2: Checking Left Pinch Sensor Signal For A 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 (Q75) Left Pinch Sensor Signal harness circuit.
  Is the resistance below 10K Ohms?
  
  Yes
  - Repair the (Q75) Left Pinch Sensor Signal circuit for a short to ground.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 4.
CHECK THE (Q75) LEFT PINCH SENSOR SIGNAL FOR A SHORT TO THE (Q901) LOGIC GROUND CIRCUIT

Fig 3: Checking Left Pinch Sensor Signal For A Short To Logic Ground Circuit
Courtesy of CHRYSLER GROUP, LLC
1. Measure the resistance between the (Q75) Left Pinch Sensor Signal circuit and the (Q901) Logic Ground circuit.
  Is the resistance below 10K Ohms?
  
  Yes
  - Repair the (Q75) Left Pinch Sensor Signal circuit for a short to the (Q901) Logic Ground circuit.
  - 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 .