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
1. Turn the ignition on.
2. With the scan tool, record and erase the Diagnostic Trouble Codes (DTCs).
3. Turn the rear defogger ON.
4. Press and release the Mirror Select switch to select the Passenger Outside Rearview Mirror.
5. Operate the Mirror Adjust switch in all directions several times.
6. With the scan tool, read the active DTCs.
  Does the scan tool display; B1DD0-11-MIRROR HEATER CONTROL - CIRCUIT SHORT TO GROUND as active?
  
  Yes
  - Go To 2
  No
  - The conditions that caused this code to set are not present at this time. For vehicle's equipped with folding outside rearview mirrors, repeat test with mirror folded. If DTC is now active, Go To 2. Otherwise, use the wiring diagram/schematic as a guide and inspect the wiring and connectors.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
CHECK (C17) PASSENGER MIRROR HEATER DRIVER CIRCUIT FOR A SHORT TO GROUND OR TO THE (C170) PASSENGER MIRROR HEATER RETURN CIRCUIT

Fig 1: Checking Passenger Mirror Vertical Driver Circuit For Short To Voltage Or Passenger Mirror Heater Return Circuit
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Disconnect the Passenger Outside Rearview Mirror (Component Side) connector from the PDM C2 harness connector.
3. Turn the ignition on.
4. With the scan tool, erase the DTCs.
5. Turn the rear defogger ON.
6. Press and release the Mirror Select switch to select the Passenger Outside Rearview Mirror.
7. Operate the Mirror Adjust switch in all directions several times.
8. With the scan tool, read the active DTCs.
  Does the scan tool display; B1DD0-11-MIRROR HEATER CONTROL - CIRCUIT SHORT TO GROUND as active?
  
  Yes
  - Replace the Passenger Door Module (PDM) in accordance with the Service Information. Refer to MODULE, DOOR, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Repair the (C17) Passenger Mirror Heater Driver circuit for a short to ground or to the (C170) Passenger Mirror Heater Return circuit. If the wiring harness and connector are okay, replace the Passenger Outside Rearview Mirror in accordance with the Service Information. Refer to MIRROR, OUTSIDE REARVIEW, REMOVAL and MIRROR, OUTSIDE REARVIEW, GLASS, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .