Diagnostic Test

(P303) PASSENGER DOORS UNLOCK DRIVER CIRCUIT SHORT TO GROUND
NOTE: If only one motor fails to unlock when the door locks are actuated, disconnect that motor and retest to see if the other doors unlock properly. If they do, replace the defective motor.

Fig 1: Measuring Resistance Between Ground & Passenger Doors Unlock Driver Circuit
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the Cluster C1 connector.
3. Measure the resistance between ground and the (P303) Passenger Doors Unlock Driver circuit.
  Is the resistance below 1,000 ohms?
  
  No
  - Replace the Cluster in accordance with Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  Yes
  - Repair the (P303) Passenger Doors Unlock Driver circuit for a short to ground.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .