A4-1x

SRS DTC Troubleshooting: A4-1x

DTC A4-1x ("x" can be 0 thru 9 or A thru F):

SRS Connector B Not Properly Installed

NOTE:

- Before doing this troubleshooting procedure, review SRS Precautions and Procedures Service and Repair, General Troubleshooting Information Reading and Clearing Diagnostic Trouble Codes, and Battery Terminal Disconnection and Reconnection Procedures.
- 2-door: Before replacing the SRS unit, check the SRS unit software version with the HDS. If the software version is not the latest, update the SRS unit software SRS Unit Update, and retest.

1. Clear the DTC 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 DTCs with the HDS Reading and Clearing Diagnostic Trouble Codes.

Is DTC A4-1x 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. Turn the ignition switch to LOCK (0).

5. Disconnect the negative cable from the battery, then wait at least 3 minutes.

6. Check the connection between SRS unit connector B (39P) and the SRS unit.

Is the connection OK?

YES -

Go to step 7.

NO -

Repair the poor connection, then clear the DTC.�

7. Disconnect SRS unit connector B (39P) from the SRS unit Service and Repair.

8. Check for bent or damaged terminals on the SRS unit.

Are any terminals bend or damaged?

YES -

Replace the SRS unit SRS Unit Replacement.�

NO -

Replace the dashboard wire harness, then clear the DTC.�