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Home >> Hummer >> 2008 >> H3 Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 59 (Tire Pressure Monitoring System) >> Repair Instructions >> Tire Pressure Sensor Learn >> TPM Learn Mode Description >> Sensor Functions Using J-46079

Sensor Functions Using J-46079

WARNING: This page is about a different car, the 2008 Isuzu i-370, 2008 Isuzu i-290, 2008 GMC Canyon, and 2008 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.

Each sensor has an internal low frequency (LF) coil. When the J-46079  tool is used in activate mode it produces an LF transmission that activates the sensor. See Special Tools . The sensor responds to a LF activation by transmitting in learn mode. When the BCM receives a learn mode transmission while in TPM learn mode, it will assign that sensor ID to the location on the vehicle relative to the order in which it was learned.

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