DTC Troubleshooting: 87-31

DTC 87-31:  Internal Failure of the SRS Unit

NOTE: Make sure the battery is sufficiently charged and in good condition.

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 87-31 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.