81-4x

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, find out if the vehicle was in a collision. If so, verify that all the required components were replaced with new components, of the correct part number, and that they were properly installed Service and Repair.
- Before doing this troubleshooting procedure, review SRS Precautions and Procedures Technician Safety Information and General Troubleshooting Information Reading and Clearing Diagnostic Trouble Codes.

1. Clear the DTC memory Reading and Clearing Diagnostic Trouble Codes.

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

3. Read the DTC Reading and Clearing Diagnostic Trouble Codes.

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 Reading and Clearing Diagnostic Trouble Codes. If another DTC is indicated, troubleshoot the DTC.�

4. Clear the DTC memory Reading and Clearing Diagnostic Trouble Codes.

5. Do the front passenger's weight sensor initialization Programming and Relearning.

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

7. Read the DTC Reading and Clearing Diagnostic Trouble Codes.

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

YES -

Go to step 8.

NO -

The system is OK at this time.

8. Replace the ODS unit ODS Unit Replacement.

9. Clear the DTC memory Reading and Clearing Diagnostic Trouble Codes.

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

11. Read the DTC Reading and Clearing Diagnostic Trouble Codes.

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

YES -

Replace the SRS unit SRS Unit Replacement.�

NO -

The system is OK.�