Diagnostic Test

WARNING: This page is about a different car, the 2014 RAM 3500 HD and 2014 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR AN ACTIVE DTC
1. Turn the ignition on.
2. With the scan tool, read PDM DTCs.
  Is the DTC active?
  
  Yes
  - Go To 2
  No
  - Test complete, the conditions that caused this code to set is not present at this time.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
CHECK THE WINDOW OPERATION
NOTE:
This step is being performed

only

when DTC B18BA-4B is ACTIVE.
1. Run the window to the full up position and continue to hold the switch for an additional two seconds.
2. Run the window to the full down position and continue to hold the switch for an additional two seconds.
3. Again run the window to the full up position and continue to hold the switch for an additional two seconds.
4. Lower the window to the full down position then press and release the switch to the express up position.
  Did the window move to the full up position?
  
  Yes
  - Replace the Passenger Door Module in accordance with the Service Information. Refer to MODULE, DOOR, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Go To 3
CHECK THE (Q12) PASSENGER WINDOW PASSENGER UP CIRCUIT AND THE (Q22) PASSENGER WINDOW PASSENGER DOWN CIRCUIT FOR A SHORT VOLTAGE
NOTE:
This step is being performed

only

when DTC B18BA-4B is ACTIVE.
1. Turn the ignition off.
2. Disconnect the Passenger Window Motor harness connector.
3. Connect a test light between the (Q12) Passenger Window Passenger Up circuit and the (Q22) Passenger Window Passenger Down circuit.
4. Turn the ignition on.
5. Trip the Passenger door latch to the closed position.
6. Operate the Passenger window switch up and down several times while observing the test light.
  NOTE:
  The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery.
  
  Does the test light illuminate brightly when the switch is pressed in both directions?
  
  Yes
  - Replace the Passenger Window Motor in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Replace the Passenger Door Module in accordance with the Service Information. Refer to MODULE, DOOR, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .