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I think you are talking about the secondary air check valve. Come to our enthusiasts forum and post your question there with the trouble code (Pxxxx) www.trailvoy.com All the Answers for your Trailblazer
The 2006 did not have one.
Tire pressure will not cause a check engine light.
Take it to the dealer. Air bag systems can be dangerous and are not user serviceable.
The service port is located on the a/c accumulator...........
If the lights are on all the time, check the sensor under the passenger seat. It could be loose.ÊAirbag readiness light turn on when you start the vehicle and flash for a few seconds.Ê
read your owners manual
i have a 02 trailblazer and that happened to me. was the air bag sensor, yes.i think the dealer charged me around 220.00 to replace the sensor.
Just turn off the air back service light..
If the air vents of the Chevy trailblazer 2004 are not blowing air, have the fuel pump checked.
The computer has sensed a problem in the supplemental restraint system.
When your service air bag light comes on and you have never been in a wreck, this is usually a good indicator of a wire issue. The number one reason for a service air bag light, without a wreck, is that the wire needs to be repaired.