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
NOTE:
This DTC must be active for the results of this test to be valid.
1. Turn the ignition on.
2. With the scan tool, erase DTCs.
3. Turn the ignition off.
4. Turn the ignition on.
5. Wait ten seconds.
6. With the scan tool, read DTCs.
  Is the DTC active?
  
  Yes
  - Go To 2
  No
  - Perform the ABS-INTERMITTENT CONDITION TEST. Refer to STANDARD PROCEDURE .
WRONG VIN PROGRAMMED IN PCM
1. Turn the ignition on.
2. With the scan tool, read the VIN in the PCM.
3. Compare VIN in the PCM to the vehicle VIN.
  Is the correct VIN programmed in the PCM?
  
  Yes
  - Go To 3
  No
  - Program the correct VIN into the PCM. Follow the VIN programing procedure in the PCM/ECM reprogramming procedure. Refer to the appropriate TESTING & DIAGNOSTICS article in ENGINE PERFORMANCE .
  - Perform the ABS VERIFICATION TEST. Refer to STANDARD PROCEDURE .
INITIALIZE ABS MODULE
1. Perform any Service Bulletins that may apply.
2. With the scan tool, under "Miscellaneous Functions" run the ABS Initialization routine.
3. Turn the ignition off.
4. Cycle the ignition from off to on.
5. Wait ten seconds.
6. With the scan tool, read DTCs.
  Does the DTC remain active?
  
  Yes
  - Replace the Anti-lock Brake System (ABS) Module in accordance with the service information. Refer to MODULE, ANTI-LOCK BRAKE SYSTEM, REMOVAL .
  - Perform the ABS VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Test complete, the condition or conditions that originally set this DTC are not present at this time.