SRS DTC Troubleshooting: 41-2x, 41-3x, 41-Bx, 42-2x, 42-3x, 42-Bx
DTC 41-2x, 41-3x, 41-Bx (‘‘x'' can be 0 thru 9 or A thru F):
 Internal Failure of the Left Front Impact Sensor
DTC 42-2x, 42-3x, 42-Bx (‘‘x'' can be 0 thru 9 or A thru F):
 Internal Failure of the Right Front Impact Sensor
NOTE: Before doing this troubleshooting procedure, review SRS Precautions and Procedures.
  1. Erase the DTC memory.
  1. 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 41-2x, 41-3x, 41-Bx, 42-2x, 42-3x, or 42-Bx indicated?
YES -
Replace the left or right front impact sensor. If the DTC returns, replace the SRS unit. ■
NO -
Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures. If another DTC is indicated, go to the DTC Troubleshooting Index.