Diagnostic Test

DTC PRESENT
1. With 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. With the scan tool, read DTCs.
  Does the scan tool display B194B-POWER LIFTGATE REAR ZONE SWITCH 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 .
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. With the scan tool, read DTC's.
  Does the scan tool display B194B-POWER LIFTGATE REAR ZONE SWITCH CIRCUIT LOW?
  
  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 GROUND

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 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 .