Diagnostic Test

WARNING: This page is about a different car, the 2011 RAM Pickup and 2011 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

Possible Causes
(P3) DRIVER DOOR LOCK DRIVER CIRCUIT OPEN
(P3) DRIVER DOOR LOCK DRIVER CIRCUIT SHORTED TO GROUND
(P1) DRIVER DOOR UNLOCK DRIVER CIRCUIT OPEN
(P1) DRIVER DOOR UNLOCK DRIVER CIRCUIT SHORTED TO GROUND
DRIVER DOOR LATCH
TOTALLY INTEGRATED POWER MODULE (TIPM)

DRIVER DOOR LATCH INOPERATIVE

Fig 1: Connecting Test Light Between Driver Door Lock Driver Circuit And Driver Door Unlock Driver Circuit
Courtesy of CHRYSLER LLC
1. Disconnect the Driver Door Latch connector.
2. Connect a test light between the (P3) Driver Door Lock Driver circuit and the (P1) Driver Door Unlock Driver circuit.
3. Close the front doors or trip the door latches to the closed position.
4. Operate the door locks in both positions and observe the test light.
  Does the test light illuminate brightly for approximately 300 ms. when the door locks are actuated?
  
  Yes
  - Replace the Driver Door Latch.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST for 1500, 2500 & 3500, or BODY VERIFICATION TEST for 3500 CAB & CHASSIS, 4500 & 5500 .
  No
  - Go To 2.
CHECK (P1) DRIVER DOOR UNLOCK DRIVER CIRCUIT OPEN

Fig 2: Measuring Resistance Of Driver Door Unlock Driver Circuit Between Latch Connector And TIPM C5 Connector
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the TIPM C5 harness connector.
3. Measure the resistance of the (P1) Driver Door Unlock Driver circuit between the Latch connector and the TIPM C5 connector.
  Is the resistance below 2.0 Ohms?
  
  Yes
  - Go To 3.
  No
  - Repair the (P1) Driver Door Unlock Driver circuit for an open.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST for 1500, 2500 & 3500, or BODY VERIFICATION TEST for 3500 CAB & CHASSIS, 4500 & 5500 .
CHECK (P1) DRIVER DOOR UNLOCK DRIVER CIRCUIT SHORT TO GROUND

Fig 3: Driver Door Unlock Driver Circuit Shorted To Ground
Courtesy of CHRYSLER LLC
1. Measure the resistance between Ground and the (P910) Driver Door Unlock Driver circuit.
  Is the resistance below 1,000 Ohms?
  
  Yes
  - Repair the (P1) Driver Door Unlock Driver circuit for a short to ground.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST for 1500, 2500 & 3500, or BODY VERIFICATION TEST for 3500 CAB & CHASSIS, 4500 & 5500 .
  No
  - Go To 4.
CHECK (P3) DRIVER DOOR LOCK DRIVER CIRCUIT OPEN

Fig 4: Measuring Resistance Of Driver Door Lock Driver Circuit Between TIPM C5 Connector And Driver Door Latch Connector
Courtesy of CHRYSLER LLC
1. Measure the resistance of the (P3) Driver Door Lock Driver circuit between the TIPM C5 connector and the Driver Door Latch connector.
  Is the resistance below 2.0 Ohms?
  
  Yes
  - Go To 5.
  No
  - Repair the (P3) Driver Door Lock Driver circuit for an open.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST for 1500, 2500 & 3500, or BODY VERIFICATION TEST for 3500 CAB & CHASSIS, 4500 & 5500 .
CHECK (P3) DRIVER DOOR LOCK DRIVER CIRCUIT SHORT TO GROUND

Fig 5: Driver Door Lock Driver Circuit Shorted To Ground
Courtesy of CHRYSLER LLC
1. Measure the resistance between Ground and the (P3) Driver Door Lock Driver circuit.
  Is the resistance below 1,000 Ohms?
  
  Yes
  - Repair the (P3) Driver Door Lock Driver circuit for a short to ground.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST for 1500, 2500 & 3500, or BODY VERIFICATION TEST for 3500 CAB & CHASSIS, 4500 & 5500 .
  No
  - Replace the Totally Integrated Power Module in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST for 1500, 2500 & 3500, or BODY VERIFICATION TEST for 3500 CAB & CHASSIS, 4500 & 5500 .