B1-Bx

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

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. Initial Inspection and Diagnostic Overview

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

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 DTC B1-2x, B1-8x, B1-9x, B1-Ax, or B1-Bx indicated?
YES - Replace the roll rate sensor. Service and Repair If the DTC returns, replace the SRS unit. SRS Unit Replacement

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