Diagnostic Test

WARNING: This page is about a different car, the 2014 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.

TEST FOR INTERMITTENT CONDITION
NOTE:
Check for any TSB(s) related to the condition. If a TSB applies, perform the procedure outlined in the TSB before continuing.
1. Turn the ignition on.
  NOTE:
  Make sure the battery is fully charged before beginning.
2. With the scan tool, read the module status.
  NOTE:
  Check the BCM for any active CAN hardware DTCs. Perform the appropriate DTC test, if necessary, before proceeding. Refer to the DTC INDEX - 1500 .
  
  Does the scan tool indicate that the DDM module is active on the bus?
  
  Yes
  - The no response condition is 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.
  No
  - Go To 2
CHECK THE (A924) FUSED B(+) CIRCUIT FOR AN OPEN OR SHORT

Fig 1: Checking Fused B(+) Circuit For Open Or Short
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Disconnect the Driver Door Module C3 harness connector.
3. Using a 12-volt test light connected to ground, check the (A924) Fused B(+) circuit.
  Does the test light illuminate brightly?
  
  Yes
  - Go To 3
  No
  - Repair the open or short in the (A924) Fused B(+) circuit.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
CHECK THE (Z905) GROUND CIRCUIT FOR AN OPEN

Fig 2: Checking Ground Circuit For Open
Courtesy of CHRYSLER GROUP, LLC
1. Using a 12-volt test light connected to 12-volts, check the (Z905) Ground circuit.
  Does the test light illuminate brightly?
  
  Yes
  - Go To 4
  No
  - Repair the open in the (Z905) Ground circuit.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
CHECK THE (D104) AND (D103) CAN INTERIOR BUS (125K) CIRCUITS FOR AN OPEN
1. Measure the resistance of the (D104) CAN Interior Bus (125K) (-) circuit between the Body Star Connector C3 connector and the Driver Door Module C3 harness connector.
2. Measure the resistance of the (D103) CAN Interior Bus (125K) (+) circuit between the Body Star Connector C3 connector and the Driver Door Module C3 harness connector.
  Are the resistances below 5.0 Ohms for each measurement?
  
  Yes
  - Replace the Driver Door Module in accordance with the Service Information. Refer to MODULE, DOOR, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Repair the open in the (D104) or (D103) CAN Interior Bus (125K) circuit.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .