Diagnostic Test

WARNING: This page is about a different car, the 2012 RAM Pickup and 2012 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

TEST FOR INTERMITTENT CONDITION
NOTE:
Make sure the Passenger Door Lock Switch is not stuck in one position. Clean or repair as necessary.
1. With the scan tool, record and erase DTC's.
2. Operate the Passenger Door Lock Switch in all positions several times.
3. Cycle the ignition from on to off.
4. Turn the ignition on.
5. With the scan tool, read DTC's.
  Does the scan tool display B1935-PASSENGER DOOR LOCK/UNLOCK SWITCH CIRCUIT STUCK?
  
  Yes
  - Go To 2.
  No
  - Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK THE PASSENGER DOOR LATCH FOR AN INTERNAL SHORT
1. With the scan tool, erase DTC's.
2. Turn the ignition off.
3. Disconnect the Passenger Door Latch harness connector.
4. Turn the ignition on.
5. Operate the Passenger Door Lock Switch in all positions several times.
6. With the scan tool, read DTC's.
  Does the scan tool display B1935-PASSENGER DOOR LOCK/UNLOCK SWITCH CIRCUIT STUCK?
  
  Yes
  - Go To 3.
  No
  - Replace the Passenger Door Latch in accordance with the Service Information. Refer to LATCH, DOOR, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK THE (P4) PASSENGER DOOR UNLOCK DRIVER CIRCUIT FOR A SHORT TO VOLTAGE

Fig 1: Checking Passenger Door Unlock Driver Circuit For A Short To Voltage
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Disconnect the TIPM C5 harness connector.
3. Turn the ignition on.
4. Measure the voltage between ground and the (P4) Passenger Door Unlock Driver circuit in the Passenger Door Latch harness connector.
  Is there any voltage present?
  
  Yes
  - Repair the short to voltage in the (P4) Passenger Door Unlock Driver circuit.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 4.
CHECK THE (P4) PASSENGER DOOR UNLOCK DRIVER CIRCUIT FOR AN OPEN

Fig 2: Checking Passenger Door Unlock Driver Circuit For An Open
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Measure the resistance of the (P4) Passenger Door Unlock Driver circuit between the Passenger Door Latch harness connector and the TIPM C5 harness connector.
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Replace the Totally Integrated Power Module (TIPM) in accordance with the Service Information. Refer to MODULE, TOTALLY INTEGRATED POWER (TIPM), REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Repair the open in the (P4) Passenger Door Unlock Driver circuit.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .