Diagnostic Test

DIAGNOSTIC TROUBLE CODE (DTC) PRESENT
1. Using the scan tool, record DTCs.
2. Erase DTCs.
3. Turn the ignition off, wait 10 seconds, then turn the ignition on.
4. Operate the liftgate several times from the rear switch.
5. Using the scan tool, read DTCs.
  Does the scan tool display B194D-POWER LIFTGATE REAR ZONE SWITCH STUCK?
  
  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 .
LIFTGATE REAR SWITCH SHORTED

Fig 1: Checking Liftgate Rear Switch Shorted
Courtesy of CHRYSLER LLC
1. Disconnect the Liftgate Rear Switch 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 B194D-POWER LIFTGATE REAR ZONE SWITCH HIGH?
  
  Yes
  - Go to step 3
  No
  - Replace the Liftgate Rear Switch.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .
(G29 LIFTGATE SWITCH SIGNAL CIRCUIT SHORT TO VOLTAGE

Fig 2: Checking Liftgate Switch Signal Circuit 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 (G29) Liftgate Switch Signal circuit.
  Is the resistance below 10, 000.0 Ohms?
  
  Yes
  - Repair the (G29) Liftgate Switch 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 .