43-9x

SRS DTC Troubleshooting: 43-2x, 43-8x, 43-9x, 43-Ax, 43-Bx

DTC 43-2x, 43-8x, 43-9x, 43-Ax, 43-Bx ("x" can be 0 thru 9 or A thru F):

Internal Failure of the Left Side Impact Sensor (first)

NOTE:

- Before doing this troubleshooting procedure, review SRS Precautions and Procedures Service and Repair and General Troubleshooting Information Reading and Clearing Diagnostic Trouble Codes.
- 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 memory.

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

3. Read the DTC.

Is DTC 43-2x, 43-8x, 43-9x, 43-Ax, or 43-Bx indicated?

YES -

Faulty left side impact sensor (first); replace the left side impact sensor (first) Side Impact Sensor (First) Replacement, then clear the DTC. If the DTC is still present, replace the SRS unit SRS Unit Replacement.�

NO -

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