85-4x

SRS DTC Troubleshooting: 85-4x, 85-5x, 85-63, 85-64 (x can be 0 thru 9 or A thru F)

DTC 85-4x, 85-5x ("x" can be 0 thru 9 or A thru F), 85-63, 85-64: 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 DTC memory. Reading and Clearing Diagnostic Trouble Codes

2. 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 - Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures. Reading and Clearing Diagnostic Trouble Codes

NO - Go to step 3.


3. Initialize the ODS unit. Programming and Relearning

4. 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.

NO - Replace the ODS unit, ODS Unit Replacement then clear the DTC, and retest. If the DTC is still present, replace the SRS unit. SRS Unit Replacement