Diesel Data: Automotive Repair

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, 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 Reading and Clearing Diagnostic Trouble Codes.

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

3. Check for the DTCs with the HDS. 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. Do the ODS unit initialization Programming and Relearning.

5. Turn the ignition switch to 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 at this time.�

NO -

Go to step 6.

6. Replace the ODS unit ODS Unit Replacement.

7. Turn the ignition switch to 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 at this time.�

NO -

Replace the SRS unit SRS Unit Replacement.�