DTC Troubleshooting: 43-2x, 43-3x, 43-Bx

DTC 43-2x (43-20 to 43-29, 43-2A to 43-2F),
43-3x (43-30 to 43-39, 43-3A to 43-3F),
43-Bx (43-B0 to 43-B9, 43-BA to 43-BF):

Internal Failure of the Left Side Impact Sensor (first)

1.Erase the DTC memory.

2.Turn the ignition switch ON (II), and check that the SRS indicator comes on for about 6 seconds and then goes off.

Does the SRS indicator stay on, and is DTC 43-2x, 43-3x, or 43-Bx indicated?


YES - Replace the left side impact sensor (first). If the DTC returns, replace the SRS unit.n


NO - Intermittent failure, system is OK at this time. Go to Troubleshooting Intermittent Failures. If another DTC is indicated, go to the DTC Troubleshooting Index.