Pinpoint Test H: 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 Driver Door Module (DDM). 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.

• DTC B106B Tire Pressure Sensor Low Battery - The pressure sensors are battery powered. If the battery is low and the sensors are trained, DTC B106B may be set. Also, if a new DDM is installed and one or more sensors have low batteries, DTC B106B may be set.

This pinpoint test is intended to diagnose the following:

• Tire pressure sensor battery (part of the sensor)
• Tire pressure sensor(s)
• DDM

PINPOINT TEST H: DTC B106B - TIRE PRESSURE SENSOR LOW BATTERY 

1. H1 DETERMINE WHICH SENSOR HAS A LOW BATTERY 
   • Train all 4 tire pressure sensors. Refer to Tire Pressure Monitoring System (TPMS) Sensor Training .
   • Did all of the tire pressure sensors transmit correctly and did the horn sound when each tire pressure sensor transmitted to the DDM? 
   1. YES  : CLEAR the DTCs. REPEAT the self-test. VERIFY system operation.
   2. NO  : Before installing a new sensor(s)  : If a sensor(s) does not respond to the special tool, ATTEMPT to activate the same sensor(s) with the Tire Pressure Monitor Activation Tool. If the sensor(s) still does not respond, MOVE the vehicle to rotate the wheels at least one-fourth turn and ATTEMPT to activate the same sensor(s) again.

      If the sensor(s) fail to train a second time, INSTALL a new tire pressure sensor(s). REFER to Tire Pressure Monitoring System (TPMS) Sensor .