Diesel Data: Automotive Repair

SRS System




Control System DTCs

SRS DTC Troubleshooting: 53-FF

DTC 53-FF : SRS Unit Programming Error

NOTE:
* Before doing this troubleshooting procedure, find out if the vehicle was in a collision. If so, verify that all the required components were replaced with new components, of the correct part number, and that they were properly installed Service and Repair.
* This DTC is indicated when a SRS unit update is not completed properly.
* Do not turn the ignition switch to ACC (I) or LOCK (0) while updating the SRS unit. If you turn the ignition switch to ACC (I) or LOCK (0) before you complete the SRS unit update procedure, the SRS unit can be damaged.
* Before doing this troubleshooting procedure, review SRS Precautions and Procedures Service and Repair and General Troubleshooting Information Reading and Clearing Diagnostic Trouble Codes.

1. System check:

System check
-1. Do the SRS unit update procedure Programming and Relearning.

-2. Clear the DTCs with the HDS Reading and Clearing Diagnostic Trouble Codes.

-3. Turn the ignition switch to ON (II), then wait for 10 seconds.

-4. Check for DTCs with the HDS Reading and Clearing Diagnostic Trouble Codes.

Is DTC 53-FF indicated?
-YES- Faulty SRS unit; replace the SRS unit Service and Repair.
-NO- Update is complete.