Diagnostic Test

WARNING: This page is about a different car, the 2015 RAM 3500 HD and 2015 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

PERFORM THE ABS INITIALIZATION ROUTINE
1. Turn the ignition on.
2. With the scan tool, read and record the ABS DTCs.
  NOTE:
  Make sure the wheels are pointing straight and the vehicle is on level ground before proceeding.
3. With the scan tool, under "Miscellaneous Functions" perform the ABS Initialization routine. Perform the ABS VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  Was the ABS Initialization successful?
  
  Yes
  - Go To 2
  No
  - Perform the ABS Initialization routine again, if still unsuccessful.
  - Go To 3
VERIFY IF DTC IS ACTIVE
1. Turn the ignition on.
2. With the scan tool, erase the DTCs.
3. Park the vehicle.
4. With the scan tool, read ABS DTCs.
  Is the DTC active at this time?
  
  Yes
  - Go To 3
  No
  - Test complete.
ANTI-LOCK BRAKE SYSTEM (ABS) MODULE
1. Turn the ignition off to the lock position.
2. Replace the Occupant Restraint Controller (ORC) in accordance with the Service Information. Refer to MODULE, OCCUPANT RESTRAINT CONTROLLER, REMOVAL .
3. Perform the ABS VERIFICATION TEST. Refer to STANDARD PROCEDURE .
4. With the scan tool, read the 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.