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service airbag

Discussion in 'Chevy Trucks' started by sailinstud420, Dec 2, 2007.

  1. sailinstud420

    sailinstud420 Junior Member
    Messages: 15

    I have a service airbag warning flashing at me. I am guessing I knocked a wire off a sensor or something... Anyone have this happen? Where exactly are the sensors located?

    Truck is '04 2500 gmc d-max.
  2. B&B

    B&B PlowSite Fanatic
    Messages: 12,777

    9 time out of 10 on a GM truck it's the clock spring inside the steering column that fails and trips the air bag light. The clock spring winds and unwinds every time you turn the steering wheel so it's even more common on a plow truck since your constantly working the wheel, and it's usually lock to lock when plowing..especially in tight area's.

    Not an expensive repair but I'd highly recommend leaving up to the dealer to fix...you can cause more problems than you fix if your not knowledgeable on this repair procedure.
  3. sailinstud420

    sailinstud420 Junior Member
    Messages: 15

    so is it/will it only trip when the wheel is full turn? I will have to pay attention to this tonight....
  4. B&B

    B&B PlowSite Fanatic
    Messages: 12,777

    No, the wheel position won't make a difference one the problem is there. Once the airbag monitoring system detects a problem, it will store the code and blink the air bag light randomly until it's repaired.
  5. sailinstud420

    sailinstud420 Junior Member
    Messages: 15

    I haven't seen a light or warning since last time i went plowing saturday... Seems pretty intermittent. I am thinking I possibly knocked one of the sensors down below, but not enough to completely ruin the circuit? Think that is possible?
  6. B&B

    B&B PlowSite Fanatic
    Messages: 12,777

    Sure it's possible... if you have it scanned though you'll know for sure if it's a sensor or wiring problem.
  7. bike5200

    bike5200 Senior Member
    from Ky
    Messages: 437

    A bad or lose ground in the Air Bag circuit will show a service light
  8. RSheaLand

    RSheaLand Member
    Messages: 32

    I had to have air bag sensors and parts of the wiring harness replaced for the replace a few times on my 03
  9. scottL

    scottL PlowSite.com Addict
    Messages: 1,613

    Not on my trucks but, on my chevy cars it was always the front bumper sensor. I think $20 to replace.