GM Tire Pressure Monitoring – Reset procedure
This is right out of the GM owner’s manual
Each tire sensor has a unique identification code. Any time you replace one or more of the TPMS sensors or rotate the vehicle’s tires, the identification codes need to be matched to the new tire/wheel position. The sensors are matched,to the tire/wheel positions, in the following order:
driver side front tire,
passenger side front tire,
passenger side rear tire,
driver side rear tire
You have two minutes to match each tire and
wheel position. If it takes longer than two minutes
to match any tire and wheel position, the
matching process stops and you need to
start over.
The TPMS matching process is outlined below:
1. Set the parking brake.
2. Turn the ignition switch to RUN with the engine off.
3. Press the Remote Keyless Entry (RKE) transmitter’s LOCK and UNLOCK buttons at the same time for approximately five seconds. The horn sounds twice to signal the receiver is in relearn mode and the TPMS sensor matching process can begin.
4. Start with the driver side front tire.
5. Remove the valve cap from the tire’s valve stem. Activate the TPMS sensor by increasing or decreasing the tire’s air pressure for 10 seconds, or until a horn chirp sounds. The horn chirp, which may take up to 30 seconds to sound, confirms that the sensor identification code has been matched to the tire/wheel position. To decrease the tire’s air-pressure use the pointed end of the valve cap, a pencil-style air pressure gage, or a key.
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© 2007 Rick Muscoplat
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