DTC B2-Ax

DTC B2-17, B2-84, B2-90, B2-Ax (B2-A0 to B2-A9, B2-AA to B2-AF), B2-Bx (B2-B0 to B2-B9, B2-BA to B2-BF): Internal Failure of Rear Sating Sensor

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 B2-17, B2-84, B2-90, B2-Ax, or B2-Bx indicated?

YES - Replace the rear safing sensor. If the DTC returns, replace the SRS unit.

NO - Intermittent failure, system is OK at this time. Go to Troubleshooting Intermittent Failures. Diagnostic Strategies If another DTC is indicated, go to the DTC Troubleshooting Index. DTC List - Supplemental Restraint System