Recent content by shegarty

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    6l80 stuck in 1st and dash cluster glitching out

    Check the main engine ground on the back of the block near the firewall. You should be able to see it from the underneath the truck, it is up near the top of the engine just below the oil pressure sensor. Otherwise you will probably have to remove the intake which is a pretty lengthy job. When...
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    2004 Tahoe LT died while driving - SOLVED

    The most likely cause of a fault like this is a bad ground - have them check the main engine block ground if they haven't already, it's behind the intake manifold close to the firewall
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    No Go. No Shift. No Gears.

    There is an o-ring seal at the dipstick. If you're lucky it didn't pump out all the ATF, only enough to limit the function and not ruin the internals
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    Traction Active error message

    That’s great - I’ll give that a shot. Any idea which menu those sensors might be located in?
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    Traction Active error message

    Hi all - I am getting the "Traction Active" error message and subsequent ABS activation again on my 04 Burb. It mostly happens after a cold start on acceleration from a stop. I say again because it happened a few years ago. At the time I was able to correct it with new front wheel speed sensors...
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    This is what happened to my tahoe in May

    Glad to hear your daughter is okay. If the airbags didn't deploy on a collision that caused that much damage you might want to go over the entire system and make sure all your impact sensors are functional. It's possible that the system was not functioning correctly but didn't throw any codes.
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    knock sensor selection

    I tried to buy a clone through chinacardiags a while ago but found the process less than desirable. When ordering the website indicated that they had something in stock but after the order was confirmed I received an email indicating that shipping was delayed due to low stock and then they tried...
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    knock sensor selection

    I think its in the 280k km range now so not super high mileage. I've already confirmed that the injectors are flowing as they should using the Tech2 diagnostic feature. The miss is only very slight and not very pronounced at idle. You can barely feel the misfire at idle with your hand on the...
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    knock sensor selection

    It happens to mine every time I try to do anything with live data. If I am just reading codes or interacting with the vehicle in any other way it’s fine. I’ve tried many of the same things you have and I don’t think it’s on the truck side because it was at a dealership a number of years ago to...
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    knock sensor selection

    I’m hoping that it isn’t … fingers crossed
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    knock sensor selection

    I don’t think RockAuto has Delco at the moment - we’re Delphi OEM?
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    knock sensor selection

    Hey folks - I'm tracking down a persistent misfire (which has grown more frequent with time) in my 04 Burb which only seems to occur when in tow/haul mode, even when not pulling anything. Live data shows misfire on 1 & 6 that trigger the CEL with a very small number of misfires logged in the...
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    2004 GMC Yukon Denali XL power driver seat problems..

    When I’m troubleshooting electrical issues I always use a separate 12v source to isolate motors and switches. I don’t have one of those fancy 12v probes, I just use some jumpers jammed into a 12v cordless tool battery. You can open up connectors and test individual components or you can back...
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    VCX Nano connection issues

    Thanks for this. I will do a search and see what I can come up with. I’ve been over most of the grounds due to a previous electrical issue (bad engine ground) but will have a look at them again.
  15. S

    VCX Nano connection issues

    Other devices and the VCXNano stay connected for all functions besides the live data collection. I haven’t had a chance to try out that function on another GM vehicle to see if it’s software/hardware or the truck.
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