Operation CHARM: Car repair manuals for everyone.

Test I: DTC B106B - Tire Pressure Sensor Low Battery

Test I: DTC B106B - Tire Pressure Sensor Low Battery

Normal Operation
If there is a fault in the tire pressure monitoring system (TPMS), such as a damaged or missing sensor(s), damaged module or a communication issue within the vehicle, DTCs are set in the vehicle security module (VSM), the TPMS warning indicator will flash for 70 seconds and then remain ON solid when the ignition switch is turned to the ON position and the message center (if equipped) will display TIRE PRESSURE SENSOR FAULT.

The tire pressure sensor is battery powered.

This DTC may be set when attempting to train a tire pressure sensor(s) with a low battery.

Possible Causes
^ Tire pressure sensor battery
^ Tire pressure sensor(s)
^ VSM

I1: