Diagnostic Test

DIAGNOSTIC TROUBLE CODE (DTC) PRESENT
1. Using the scan tool, record DTCs and any liftgate inhibitors.
2. Erase DTCs.
3. Turn the ignition off, wait 10 seconds, then turn the ignition on.
4. Operate the liftgate several times.
5. Using the scan tool, read DTCs.
  Does the scan tool display B1888-POWER LIFTGATE PINCH SENSOR 1 CIRCUIT LOW?
  
  Yes
  - Go to step 2
  No
  - Using the SYSTEM WIRING DIAGRAMS as a guide, inspect the wiring and connectors for an intermittent condition.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .
LEFT PINCH SENSOR SHORTED

Fig 1: Checking Left Pinch Sensor Shorted
Courtesy of CHRYSLER LLC
1. Disconnect the Left Liftgate Pinch Sensor harness connector
2. Erase DTCs.
3. Turn the ignition off, wait 10 seconds, then turn the ignition on.
4. Using the scan tool, read DTCs.
  Does the scan tool display B1888-POWER LIFTGATE PINCH SENSOR 1 CIRCUIT LOW?
  
  Yes
  - Go to step 3
  No
  - Replace the Left Liftgate Pinch Sensor in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .
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 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 10, 000 Ohms?
  
  Yes
  - Repair the (Q75) Left Pinch Sensor Signal circuit for a short to ground.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .
  No
  - Replace the Power Liftgate Module in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .