DTC Troubleshooting: 45-2x, 45-3x, 45-Bx

DTC 45-2x (45-20 to 45-29, 45-2A to 45-2F),
45-3x (45-30 to 45-39, 45-3A to 45-3F),
45-Bx (45-B0 to 45-B9, 45-BA to 45-BF):

Internal Failure of the Left Side Impact Sensor (second)

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 45-2x, 45-3x, or 45-Bx indicated?


YES - Replace the left side impact sensor (second). 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.