DTC 81-4x

DTC 81-4x (81-40 to 81-49,81-4A to 81-4F), 81-5x (81-50 to 81-59, 81-5A to 81-5F),81-63,81-64, 85-4x (85-40 to 85-49,85-4A to 85-4F), 85-5x (85-50 to 85-59,85-5A to 85-5F), 85-63,85-64: Internal Failure of the OPDS/ODS Unit

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 81-4x, 81-5x, 81-63, 81-64, 85-4x, 85-5x, 85-63, or 85-64 indicated?

YES - Go to step 3.

NO - Intermittent failure, system is OK at this time. Go to Troubleshooting Intermittent Failures. Initial Inspection and Diagnostic Overview If another DTC is indicated, go to the DTC Troubleshooting Index. Diagnostic Trouble Code Descriptions

3. Initialize the OPDS/ODS unit.
4. 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 go off?

YES - The system is OK.

NO - Replace the OPDS/ODS unit, and retest. If the problem is still present, replace the OPDS sensor/seat-back.