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.

VERIFY THE DTC IS ACTIVE
1. Turn the ignition on.
2. With the scan tool, record and erase DTCs.
  CAUTION:
  Make sure braking capability is available before road testing.
3. Road test the vehicle in a straight manner for two minutes over 40 km/h (25 mph).
  NOTE:
  Vehicle must be driven straight for several minutes above 40 km/h (25 mph) for set conditions to be met.
4. With the scan tool, read DTCs.
  Is the DTC active at this time?
  
  Yes
  - Go To 2
  No
  - Test complete, the condition or conditions that originally set this DTC are not present at this time.
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.
  Was the ABS Initialization successful?
  
  Yes
  
  NOTE:
  This DTC may have been caused due to road conditions at start of drive.
  - Test complete, the condition or conditions that originally set this DTC are not present at this time.
  No
  - Perform the ABS Initialization routine again, if still unsuccessful.
  - 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 .