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B1-Ax




SRS DTC Troubleshooting: B1-2x, B1-8x, B1-9x, B1-Ax, B1-Bx

DTC B1-2x, B1-8x, B1-9x, B1-Ax, B1-Bx ("x" can be 0 thru 9 or A thru F):

Internal Failure of the Roll Rate Sensor

NOTE: Before doing this troubleshooting procedure, review SRS Precautions and Procedures Service and Repair and General Troubleshooting Information Reading and Clearing Diagnostic Trouble Codes.

1. Clear the DTCs with the HDS.

2. Turn the ignition switch to ON (II), then wait for 10 seconds.

3. Check for DTCs with the HDS.

Is B1-2x, B1-8x, B1-9x, B1-Ax or B1-Bx indicated?

YES -

Faulty roll rate sensor or SRS unit; replace the roll rate sensor Service and Repair, then clear the DTC, and retest. If the DTC is still present, replace the SRS unit SRS Unit Replacement.�

NO -

Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures. If another DTC is indicated, troubleshoot the DTC.�