DTC Troubleshooting: 53-1x, 53-2x

DTC 53-1x (53-10 to 53-19, 53-1A to 53-1F),53-2x (53-20 to 53-29, 53-2A to 53-2F): 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.

1. 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 53-1x or 53-2x indicated?

YES | - | Replace the SRS unit. ■
NO | - | Intermittent failure, system is OK at this time. Go to Troubleshooting Intermittent Failures. If another DTC is indicated, go to the DTC troubleshooting index for troubleshooting details.