81-5x

SRS DTC Troubleshooting: 81-4x, 81-5x, 81-63, 81-64

DTC 81-4x, 81-5x ("x" can be 0 thru 9 or A thru F), 81-63, 81-64:

Internal Failure of the ODS 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.

1. Clear the DTCs with the HDS.

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

3. Check for DTCs with the HDS.

Is DTC 81-4x, 81-5x, 81-63, or 81-64 indicated?

YES -

Go to step 4.

NO -

Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures. If another DTC is indicated, troubleshoot the DTC.�

4. Clear the DTCs with the HDS.

5. Do the ODS unit initialization Programming and Relearning.

6. Turn the ignition switch to LOCK (0), then wait for 10 seconds.

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

8. Check for DTCs with the HDS.

Is DTC 81-4x, 81-5x, 81-63, or 81-64 indicated?

YES -

Go to step 9.

NO -

The system is OK at this time.�

9. Replace the ODS unit ODS Unit Replacement, then clear the DTC.

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

11. Check for DTCs with the HDS.

Is DTC 81-4x, 81-5x, 81-63, 81-64 indicated?

YES -

Faulty SRS unit; replace the SRS unit SRS Unit Replacement.�

NO -

The system is OK.�