Diagnostic Test

WARNING: This page is about a different car, the 2014 Dodge Journey. 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. Using the scan tool, record and erase the RF Hub DTCs.
3. Attempt to start the engine and run for one minute (if possible).
4. With the scan tool, read the Active DTCs.
  Does the scan tool display: B1A28-00-ECM MISMATCH WITH SKIM 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 .
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 RF Hub matches the VIN of the vehicle. If it DOES, Go To 3 If it does NOT match, replace the Radio Frequency Hub (RF Hub) in accordance with the Service Information. Prior to replacing the RF Hub, the RUN circuits must be checked at the PCM. A missing run circuit at the PCM can cause this DTC to set.
  - If this vehicle is equipped with a Steering Column Lock Module (ELV) (Export), it must also be replaced anytime the RF Hub is replaced. When replacing the RF Hub and the Steering Column Lock Module (ELV), the RF Hub MUST be programmed before the Steering Column Lock Module (ELV) is programmed. .
  - Replace and program the Radio Frequency Hub (RF Hub) in accordance with the Service Information. Refer to MODULE, RADIO FREQUENCY (RF HUB), REMOVAL .
  - Replace and program the Steering Column Lock Module (ELV) in accordance with the Service Information. Refer to MODULE, SHAFT LOCK, REMOVAL .
  - Perform the RADIO FREQUENCY HUB (RF HUB) 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 RF Hub 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
  - Refer to appropriate Engine Diagnostic information and perform the appropriate Diagnostic Procedure.
  No
  - Go To 4
VERIFY PCM PROGRAMMING
1. Use the scan tool and erase all DTCs in the RF Hub and PCM.
2. Turn the Ignition Off, and wait 15 seconds before turning the Ignition On.
3. Wait one minute, and read the active DTCs.
  Does the scan tool display: B1A28-00-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 .
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to appropriate Engine Diagnostic information .
  No
  - Repair is complete.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .