Diagnostic Test

WARNING: This page is about a different car, the 2009 Dodge Sprinter. However, it is still accessible from the selected car via links, so may be relevant.

TEST FOR INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, record and erase DTCs.
3. Close all doors.
4. Operate the cargo area door lock and unlock switch two or three times.
5. Wait 30 seconds.
6. With the scan tool, read DTCs.
  Does the scan tool display 9073-REAR/SIDE DOOR LOCK CIRCUIT HIGH?
  
  Yes
  - Go to step 2
  No
  - The conditions that caused this code to set are not present at this time. Using the SYSTEM WIRING DIAGRAMS as a guide, inspect the wiring and connectors.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Body Control (BCM) - Standard Procedure .
REAR/SIDE DOORS LOCK DRIVER CIRCUIT SHORT TO VOLTAGE

Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the Body Control Module C7 connector.
3. Turn the ignition on.
4. Measure the voltage between the Rear/Side Doors Lock Driver circuit and ground in the BCM C7 connector.
  Is there any voltage present?
  
  No
  - Repair the Rear/Side Doors Lock Driver circuit for a short to voltage.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Body Control (BCM) - Standard Procedure .
  Yes
  - Go to step 3
REAR/SIDE DOORS UNLOCK DRIVER CIRCUIT SHORT TO VOLTAGE

Courtesy of CHRYSLER LLC
1. Measure the voltage between the Rear/Side Doors Unlock Driver circuit and ground.
  Is there any voltage present?
  
  Yes
  - Repair the Rear/Side Doors Unlock Driver circuit for a short to voltage.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Body Control (BCM) - Standard Procedure .
  No
  - Go to step 4
REAR/SIDE DOORS LOCK OR UNLOCK DRIVER CIRCUIT OPEN

Courtesy of CHRYSLER LLC
1. Measure the resistance between the Rear/Side Doors Lock Driver circuit and the Rear/Side Doors Unlock Driver circuit in the BCM C7 connector.
  Is the resistance below 10.0 ohms?
  
  Yes
  - Replace the Body Control Module in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Body Control (BCM) - Standard Procedure .
  No
  - Locate and repair the open circuit in either the Rear/Side Doors Lock or Unlock circuit.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Body Control (BCM) - Standard Procedure .