SRS DTC 51-xx, 52-xx, 53-xx, 54-xx
DTC 51-xx, 52-xx, 53-xx, 54-xx ("x" can be 0 thru 9 or A thru F) : Internal Failure of the SRS Unit
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 .
- Before troubleshooting any of these DTCs, check the battery/system voltage and battery cable connections . If the voltage is low, repair the charging system, test and charge the battery, or replace the battery before troubleshooting the SRS. If the battery/system voltage is OK, ask the client if the battery ever went dead or if the engine was started and run with the battery in a low state of charge. A dead battery may trigger one or more of these DTCs.
- Before doing this troubleshooting procedure, review SRS Precautions and Procedures and General Troubleshooting Information .
- Before replacing the SRS unit, check the SRS unit software version with the HDS. If the software version is not the latest, update the SRS unit software , and retest.
| DTC Description | DTC |
|---|---|
DTC (SRS)
- Problem verification
-1. Clear the DTCs with the HDS .
-2. Press the engine start/stop button to select the ON mode, then wait for 10 seconds.
-3. Check for DTCs with the HDS .
DTC Description DTC Is DTC 51-xx, 52-xx, 53-xx, or 54-xx indicated?
YES
The failure is duplicated. Replace the SRS unit .
NO
Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures . If another DTC is indicated, troubleshoot the DTC.