43-2x

SRS DTC Troubleshooting: 43-2x, 43-3x, 43-Bx (x can be 0 thru 9 or A thru F)

DTC 43-2x, 43-3x, 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 Technician Safety Information and General Troubleshooting Information. Initial Inspection and Diagnostic Overview

1. Clear the DTC memory. Initial Inspection and Diagnostic Overview

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 stay on, and is DTC 43-2x, 43-3x, or 43-Bx indicated?
YES - Replace the left side impact sensor (first), Side Impact Sensor (First) Replacement then clear the DTC. If the DTC returns, replace the SRS unit. SRS Unit Replacement

NO - Intermittent failure, system is OK at this time. Go to Troubleshooting Intermittent Failures. Initial Inspection and Diagnostic Overview If another DTC is indicated, troubleshoot the DTC.