DTC 54-1x

DTC 54-1x (54-10 to 54-19, 54-1A to 54-1F), 54-2x (54-20 to 54-29, 54-2A to 54-2F), 54-3x (54-30 to 54-39, 54-3A to 54-3F): Internal Failure of the SRS Unit

NOTE: Before troubleshooting any of these DTCs, check the battery/system voltage. If the voltage is low, repair the charging system 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. Erase the DTC memory,
2. Turn the ignition switch ON (II), and check that the SRS indicator comes on for about 6 seconds and then goes off.

Does the SRS indicator stay on, and is DTC 54-1x. 54-2x, or 54-3x indicated?

YES - Replace the SRS unit.

NO - Intermittent failure} system is OK at this time. Go to Troubleshooting Intermittent Failures. Diagnostic Strategies If another DTC is indicated, go to the DTC troubleshooting index. DTC List - Supplemental Restraint System