2003 Silverado issue
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2003 Silverado issue

  1. #1
    Cas
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    Default 2003 Silverado issue

    My truck is having an intermittent problem that's more annoying than anything right now. The truck is a 2003 Silverado 4x4 and every once in a while upon start up, the selector switch for the 4 wheel drive will not light up and the truck feels like it's in 4 low. When it happens, the selector switch does not work so I have to turn the key off and let the truck sit for a few minutes and when I restart it, it is usually back to normal.
    Since it's an intermittent thing without a code the guys at Chevy say it could be either the switch itself or probably the actuator. I'd rather not just change parts and hope it's fixed so is there a way to test the actuator to make sure?
    They also suggested I keep driving it when it happens for the error code to pop up. Not sure I want to do that just in case it could break something while it's in 4 low on dry streets.

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    i got skiillllzzzz.... fast76rogers's Avatar
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    it is your switch on the dash.i know three people that had the same prob.

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    mo balls than $cents$ IMPATIENT 1's Avatar
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    another dumbass dealership yes it will set a code for that, they just don't know how to look for it appearently. yeah those switches do go out quite often, its the safe bet, but i'd wanna know the actual atc code. if its a c0327 , its gonna need the actuator assembly on the t-case, and along with that it needs the atc module updated with the newest software so it doesn't happen again.the new software keeps pressure on the t-case fork instead of just letting it move somewhat freely. get the atc codes checked though, that'll tell da tell

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    Cas
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    Quote Originally Posted by IMPATIENT 1 View Post
    another dumbass dealership yes it will set a code for that, they just don't know how to look for it appearently. yeah those switches do go out quite often, its the safe bet, but i'd wanna know the actual atc code. if its a c0327 , its gonna need the actuator assembly on the t-case, and along with that it needs the atc module updated with the newest software so it doesn't happen again.the new software keeps pressure on the t-case fork instead of just letting it move somewhat freely. get the atc codes checked though, that'll tell da tell
    So you're saying that there will be a code recorded even though nothing is being indicated on the dash?

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    mo balls than $cents$ IMPATIENT 1's Avatar
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    Quote Originally Posted by Cas View Post
    So you're saying that there will be a code recorded even though nothing is being indicated on the dash?
    yes, it'll be in the powertrain tab in the tech2 scanner, they just have to build the truck in the scanner, go to powertrain data, go to codes and then to atc history codes. if anything ever goes wrong, it'll store at least a history code for it

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    Cas
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    Quote Originally Posted by IMPATIENT 1 View Post
    yes, it'll be in the powertrain tab in the tech2 scanner, they just have to build the truck in the scanner, go to powertrain data, go to codes and then to atc history codes. if anything ever goes wrong, it'll store at least a history code for it
    thanks! I guess I'll have to be the one to explain to the local tech on how to do it.
    The local dealer was a real good place until the down turn, they had really good techs. Now it's a skeleton of what it was although it's coming back.

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    mo balls than $cents$ IMPATIENT 1's Avatar
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    Quote Originally Posted by Cas View Post
    thanks! I guess I'll have to be the one to explain to the local tech on how to do it.
    The local dealer was a real good place until the down turn, they had really good techs. Now it's a skeleton of what it was although it's coming back.
    jus give me a ring while he's standing in frt of you, i'll talk him thru it

    yeah that happened to alot of places. most of the good techs went out on their own and opened their own place of biz. the dealerships think they can take advantage of the economy and not pay a decent commission rate so all they hire is shit techs with no real experience. luckily my dealer knows better since this is a small town, work of mouth would kill em quikly if they tried something like that, plus they'd have to compete against me i work by appointment only cause i can(i've got my own customer base that asks for me), the others fight over the walkins

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    Senior Member californiadreamin's Avatar
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    x2 on everything impatient said.

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