OT- "Air Bag needs service" message on 2010 Chevy Express - Page 2
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  1. #21
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    Got the new scanner in today.......

    7296f453-1e53-40c3-a040-f6f91558c15a.jpg

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  3. #22
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    Quote Originally Posted by Milacron View Post
    Got the new scanner in today.......

    7296f453-1e53-40c3-a040-f6f91558c15a.jpg
    Intereestingah !

    So maybe corrosion on that sensor ?

    Could be rock/deer damage, but you would think that would just activate the airbag.

  4. #23
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    Two sensors are needed simultaneously to activate. If the bumper sensor is showing triggered, the second sensor needs only a strong bump to fire the air bags. Even if no other damage the cost of replacing the airbags will total the vehicle.

    I would fix it immediately.

  5. #24
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    maybe an old mechanics tale....
    I heard not to play with any of the airbag connections unless the battery is disconnected.
    Any truth to that comment?

  6. #25
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    Quote Originally Posted by mjk View Post
    maybe an old mechanics tale....
    I heard not to play with any of the airbag connections unless the battery is disconnected.
    Any truth to that comment?
    Absolutely.

    He needs to look in the owners manual and pull any fuses associated with the SIR. Then it's necessary to wait several minutes to make sure any capacitors are bled down.

    You are 100% correct that no part of the system should be touched while the circuits are energized.

    I'd also strongly suggest getting one of these. This is "gremlin spray" in an easier to use form. I've resolved several issues by un-mating the connectors, applying this to the male contacts, and then re-mating the connector while the contacts are still wet. This transfers DeoxIT to the female contacts.

    https://www.amazon.com/DeoxIT-Pen-NS...SIN=B001EQ7H82

  7. #26
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    Quote Originally Posted by Milacron View Post
    Got the new scanner in today.......

    7296f453-1e53-40c3-a040-f6f91558c15a.jpg

    Interesting how VERY much more info that NEW Innova displays than my OLD Innova (numbers only, none of the text - as my Iscar has).

    Time to upgrade. Both of them, probably.

    Thanks for that!

    "PM at work, doing what it does best" .... even when only as a by-product.


  8. #27
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    Ok, now you can hang a new sensor, clear the code and sell the van in good conscience.
    The internal fault is not harness related. Only repair is replace.
    Joe

  9. #28
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    Quote Originally Posted by mjk View Post
    maybe an old mechanics tale....
    I heard not to play with any of the airbag connections unless the battery is disconnected.
    Any truth to that comment?
    Meh

    VW in their infinite wisdom will let you run an output test on the airbags, always wanted to do it on a scrap car

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  11. #29
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    Quote Originally Posted by kustomizingkid View Post
    Meh

    VW in their infinite wisdom will let you run an output test on the airbags, always wanted to do it on a scrap car
    Didn't know they built any other kind?

  12. #30
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    You should be able to clear the codes just by disconnecting the battery. My OBD2 reader I'm not at all impressed with, way to vague. Everything that it comes up with I already knew the area I was having a problem with. It is a cheapo though, I think I payed like $50.00 or something, but when comparing to readers 2-3x the cost of this one the only difference I recall is you can plug it into your pc and download results I think. It's been quite awhile since I messed with it.

    Yours looks quite a bit more accurate to be able to tell which sensor. For instance on mine, I get a code that comes back saying it could be oxygen sensor "one or both who knows" and the cat. So vague it's almost useless.

  13. #31
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    Quote Originally Posted by azmachining View Post
    For instance on mine, I get a code that comes back saying it could be oxygen sensor "one or both who knows" and the cat. So vague it's almost useless.
    The reader doesn't determine the codes that are set or what criteria are required to set them. It's up to the vehicle manufacturer. And, they are really only required to create codes for emissions related issues.

    For example, on the Ford Powerstroke engines, they can set all kinds of "soft" codes for thing that don't work at all but the check engine light will never come on. I've seen them for viscus fan drives, pretty much every type of sensor, glow plugs, low voltage, etc. You can read the codes, but the light on the dash will never come on.

  14. #32
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    Quote Originally Posted by thermite View Post
    Didn't know they built any other kind?
    Says the guy who drives a FORD built Jaguar...

  15. #33
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    That Innova sound like quite a capable tool for the money.

    One of the things I love about my Bosch 1200 is that it also has CodeConnect, which is a database of vehicle specific possible fixes for each fault code, along with a component locator that helps find the component.

    For those with other readers that don't have these features a subscription to an online service data site is usually cheaper than the repair manuals.

  16. #34
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    I think you could swap the center sensor with one of the others and see if the trouble code moves. If it moves, should be a sensor. If it stays you have a much more difficult problem to solve.

    I’m not positive they are the same but typically left and right are the same. GM air bag stuff usually uses yellow colored connectors.

  17. #35
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    Not possible in this vehicle. Side impact sensors aren’t the same as the front impact sensor. And only one front impact sensor on an express chassis. Code shows internal fault in the only front sensor so there is no question of what needs to be replaced.
    Joe


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