Diagnostic Test

WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

TEST FOR INTERMITTENT CONDITION
NOTE:
Be sure the thumbwheels on the Dimmer Module are turned fully on during this test.
1. Turn the ignition on.
2. With the scan tool, record and erase the DTCs.
3. Cycle the ignition on to off three times and leave in the On position.
4. Turn the park lamps on.
5. Wait one minute.
6. With the scan tool, read the active DTCs.
  Does the scan tool display: B2860-11-DOOR AMBIENT LIGHT CONTROL - CIRCUIT SHORT TO GROUND as active?
  
  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 STANDARD PROCEDURE .
DRIVER DOOR HANDLE LAMP SHORTED

Fig 1: Driver Door Handle Lamp Connector End View
Courtesy of CHRYSLER GROUP, LLC
1. With the scan tool, erase the DTCs.
2. Turn the ignition off.
3. Remove the inner door panel trim in accordance with the Service Information. Refer to PANEL, DOOR TRIM, REMOVAL .
4. Make sure the Driver Door Handle Lamp connector is disconnected.
5. Re-connect the Driver Door Map Pocket Lamp connector.
6. Turn the park lamps on.
7. Turn the ignition on.
8. Wait one minute.
9. With the scan tool, read the active DTCs.
  Does the scan tool display: B2860-11-DRIVER DOOR AMBIENT LAMP - CONTROL CIRCUIT SHORT TO GROUND as Active?
  
  Yes
  - Go To 3
  No
  - Replace the Driver Door Handle Lamp Assembly.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
DRIVER DOOR MAP POCKET LAMP SHORTED

Fig 2: Driver Door Map Pocket Lamp Connector End View
Courtesy of CHRYSLER GROUP, LLC
1. With the scan tool, erase the DTCs.
2. Turn the ignition off.
3. Disconnect the Driver Door Map Pocket Lamp connector.
4. Be sure the park lamps are still on.
5. Turn the ignition on.
6. Wait one minute.
7. With the scan tool, read the active DTCs.
  Does the scan tool display: B2860-11-DRIVER DOOR AMBIENT LAMP - CONTROL CIRCUIT SHORT TO GROUND as Active?
  
  Yes
  - Go To 4
  No
  - Replace the Driver Door Map Pocket Lamp Assembly.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
(M33) DRIVER DOOR AMBIENT LAMP DRIVER CIRCUIT SHORTED TO GROUND

Fig 3: Checking Driver Door Ambient Lamp Driver Circuit For Short To Ground
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Disconnect the Driver Door Module C5 harness connector.
3. Measure the resistance between Ground and the (M33) Driver Door Ambient Lamp Driver circuit in the DDM C5 harness connector.
  Is the resistance below 20K Ohms?
  
  Yes
  - Repair the short to ground in the (M33) Driver Door Ambient Lamp Driver circuit.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Go To 5
(M33) DRIVER DOOR AMBIENT LAMP DRIVER CIRCUIT SHORTED TO THE (M34) DRIVER DOOR LIGHTING RETURN CIRCUIT

Fig 4: Measuring Resistance Between Driver Door Ambient Lamp Driver Circuit & Driver Door Lighting Return Circuit
Courtesy of CHRYSLER GROUP, LLC
1. Measure the resistance between the (M33) Driver Door Ambient Lamp Driver circuit and the (M34) Driver Door Lighting Return circuit in the DDM C5 harness connector.
  Is the resistance below 20K Ohms?
  
  Yes
  - Repair the short between the (M33) Driver Door Ambient Lamp Driver circuit and the (M34) Driver Door Lighting Return circuit.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - 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 .