51-xx

SRS DTC Troubleshooting: 51-xx, 52-xx, 53-xx, 54-xx, 55-xx (x can be 0 thru 9 or A thru F)

DTC 51-xx, 52-xx, 53-xx, 54-xx, 55-xx ("x" can be 0 thru 9 or A thru F):Internal Failure of the SRS Unit

NOTE:

- Before doing this troubleshooting procedure, review SRS Precautions and Procedures Service and Repair and General Troubleshooting Information. Reading and Clearing Diagnostic Trouble Codes

- 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 now OK, ask the customer if the battery ever went dead. A dead battery may trigger one of these DTCs.

1. Clear the DTC memory. Reading and Clearing Diagnostic Trouble Codes

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

3. Read the DTC. Reading and Clearing Diagnostic Trouble Codes

Is DTC 51-xx, 52-xx, 53-xx, 54-xx, or 55-xx indicated?
YES - Replace the SRS unit. SRS Unit Replacement

NO - Intermittent failure, system is OK at this time. Go to Troubleshooting Intermittent Failures. Reading and Clearing Diagnostic Trouble Codes If another DTC is indicated, troubleshoot the DTC.