TPMS (Tire Pressure Monitoring System). The low tire pressure light keeps coming on in my 07 Chevy Trailblazer and I think I know why. I just discovered that I can access the pressure for each tire by the controls on my steering wheel. Anyway here are the readings.
LF-34psi
RF-27psi
LR-29psi
RR-34psi
The 34psi tires should be on the back and read 35psi
The 27psi and the 29psi tire should be on the front and read 30psi
How do I fix this without swapping tires?
TPMS For A Chevy..
- Thread starter Warstud
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You'll have to verify for your exact year, but most later model GM vehicles with keyless entry can be reset easily at home.
With your parking brake set, ignition "ON" (engine off), hold down both lock and unlock on the keyless remote. A few moments later you should hear the vehicle honk. You'll see "SERVICE TIRE MONITOR" or similar pop up on the driver info center. Immediately hop out of the vehicle and start letting a few PSI out of the front tire. Don't go crazy, you only need about 5 PSI out in 30 or so seconds. The vehicle should honk to confirm the tire is programmed as the left front. Move to the right front, repeat the same procedure and continue clockwise until you're finished with the driver's side rear tire. To confirm a complete programming, the vehicle will honk twice and will then be out of programming mode.
Your tire pressures will now read in the correct locations as indicated by your driver information center. You'll now need to correct the tire pressures back to the specification inside the driver's side door jamb (as your current pressures are quite low)
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