SRS DTC Troubleshooting: 45-2x, 45-3x, 45-Bx, 46-2x, 46-3x, 46-Bx
DTC 45-2x, 45-3x, 45-Bx (‘‘x'' can be 0 thru 9 or A thru F):
 Internal Failure of the Left Side Impact Sensor (second)
DTC 46-2x, 46-3x, 46-Bx (‘‘x'' can be 0 thru 9 or A thru F):
 Internal Failure of the Right Side Impact Sensor (second)
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 45-2x, 45-3x, 45-Bx, 46-2x, 46-3x, or 46-Bx indicated?
YES -
Replace the left or right side impact sensor (second). 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.