Diagnostic Test

WARNING: This page is about a different car, the 2011 RAM Pickup and 2011 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

DETERMINE ACTIVE OR STORED DIAGNOSTIC TROUBLE CODE (DTC)
Is the DTC active or stored?

WIN - ACTIVE DTC
- Go To 2.
WIN - STORED DTC
- Perform the WIN INTERMITTENT TEST. Refer to Standard Procedure .
VERIFY THE VEHICLE IDENTIFICATION NUMBER (VIN) STORED IN THE POWERTRAIN CONTROL MODULE (PCM).
1. Using the scan tool, access the VIN number stored in the PCM.
  NOTE:
  Make sure that a VIN has been programmed into the PCM. If a VIN is not displayed, attempt to program the PCM with the correct VIN before continuing.
2. Compare the VIN displayed, with the VIN of the vehicle.
  Does the VIN recorded in the PCM match the VIN of the vehicle?
  
  Yes
  - Using the scan tool, verify the VIN in the WIN matches the VIN of the vehicle. If it DOES, Go To 3 If it does NOT match, replace the Wireless Ignition Node in accordance with the Service Information. Prior to replacing the WIN, the RUN circuits must be checked at the PCM. A missing run circuit at the PCM can cause this DTC to set.
  - Replace the Wireless Ignition Node (WIN) in accordance with the Service Information. Refer to RECEIVER, Wireless Ignition Node , Removal .
  - Perform the WIN VERIFICATION TEST. Refer to Standard Procedure .
  No
  - Using the scan tool, perform the PCM Replaced Procedure to update the VIN in the PCM. Then, Go To 3.
PCM STARTING DTCS
1. Use the scan tool and erase all DTCs in the WIN and PCM.
2. Turn the Ignition Off, and wait 15 seconds before turning the Ignition On.
3. Try to start the engine. If the engine starts, leave it run for one minute and then turn the engine off (ignition on)
4. Wait one minute, and read the active PCM DTCs.
  Does the scan tool display any Starting related DTCs?
  
  Yes
  - and perform the appropriate Diagnostic Procedure. Refer to appropriate Electrical Diagnostic Information .
  No
  - Go To 4.
VERIFY PCM PROGRAMMING
1. Use the scan tool and erase all DTCs in the WIN and PCM.
2. Turn the Ignition Off, and wait 15 seconds before turning the Ignition On.
3. Wait one minute, and read the active WIN DTCs.
  Does the scan tool display: B1A28-ECM MISMATCH WITH SKIM as active?
  
  Yes
  - Replace and program the Powertrain Control Module in accordance with the Service Information. Refer to MODULE, Powertrain Control , Removal MODULE, Powertrain Control, 6.7L Diesel [ETJ] , Removal .
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to BODY VERIFICATION TEST for 1500, 2500 & 3500, or BODY VERIFICATION TEST for 3500 CAB & CHASSIS, 4500 & 5500 .
  No
  - Repair is complete.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST for 1500, 2500 & 3500, or BODY VERIFICATION TEST for 3500 CAB & CHASSIS, 4500 & 5500 .