Tire Pressure Monitoring System Problems of Chevrolet Trailblazer

The contact owns a 2007 Chevrolet Trailblazer. The contact stated that the fuel sensor gauge indicated that the fuel tank was half full when the vehicle shut off because the fuel tank was empty. The vehicle was taken to the dealer, who diagnosed that the fuel gauge sensor was faulty. The vehicle was not repaired. The contact also indicated that the tire air sensor indicated that air in the front drivers side tire was low but after inspecting the vehicle the contact discovered that air in the rear drivers side tire was low. The failure was not diagnosed nor was the vehicle repaired. The manufacturer was notified of the failure. The VIN was unavailable. The failure mileage was 80,000.

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The contact owns a 2006 Chevrolet Trailblazer. The contact stated that while operating the vehicle, the traction control and the low air pressure sensor lights illuminated. After inspecting the vehicle, the contact discovered that the failure occurred although the air pressure in the tires was normal and the vehicle was not experiencing a traction control issue. The vehicle was not diagnosed or repaired and the manufacturer was notified of the failure. The failure mileage was 95,000.

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I am in the quick lube business and change oil on approximately 150 vehicles a day. Part of our service includes checking the tire pressure. On about 10% of the vehicles that have the "tire pressure monitoring system" we find corrosion and failing valve stems. On many instances the valve stem has broken off and because we were checking the tires we have to pay for the repair that can run into hundreds of dollars. These valve stem have been manufactured using incompatible materials that cause corrosian. It is not fair to us that we should have to pay $250 to repair a tpms valve stem due to inadaquate manufacturing. We have chosen to "not" check the tire pressure on the vehicles that upon visual inspection have corroded valve stems. This is a very dangerous condition for the consumer in that it is very important that the tire pressure is regularly checked. In my opinion a recall should be made on all vehicles with these inferior valve stems. Most american manufactured vehicles are to blame. This is a serious safety hasard that is only getting worse as time goes by.

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The contact owns a 2007 Chevrolet Trailblazer 360. While driving approximately 20 mph, the tire pressure monitor light illuminated. After taking the vehicle in for repair, the service manager stated that the monitor was reset and repaired. On two occasions, a dealer attempted to diagnose the failure; however, the tire pressure light indicated the incorrect recommended tire pressure. The recommended tire pressure is 32 psi, but the monitor read 37 psi. The failure mileage was 400 and current mileage was 850. Updated 04/02/08. The consumer stated the problem has not been corrected. Updated.