Diagnostic Test

DTC PRESENT
1. With the scan tool, record DTC's.
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 B194C-POWER LIFTGATE REAR ZONE SWITCH CIRCUIT HIGH?
  
  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 B194C-POWER LIFTGATE REAR ZONE SWITCH CIRCUIT 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 Voltage
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the Power Liftgate Module C2 harness connector.
3. Turn the ignition on.
4. Measure the voltage between ground and the (G29) Liftgate Switch Signal circuit.
  Is there any voltage present?
  
  Yes
  - Repair the (G29) Liftgate Switch Signal circuit for a short to voltage.
  - 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 .