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    2015 Yukon No Dash No Crank Full battery, Need Help

    Sorry I thought I was on a different thread, I did fix this issue but it wasn’t what everyone has been mentioning. The fix is remove your rear bumper and unplug the harness that connects to your blind spot sensors and back up sensors. What I found was that over years of driving in 4 seasons the...
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    2015 Yukon No Dash No Crank Full battery, Need Help

    Yes it fixed all my issues, I left everything unhooked and no problems
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    It Rained so 2015 Yukon won’t start, Help!

    I haven’t had one issue since, the easiest fix, provided you don’t mind losing blind spot assist and back up sensors is a 10 minute job. Remove the rear bumper cover and unplug the main harness for those two items, once I unplugged mine I filled the connector that runs back to truck with...
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    It Rained so 2015 Yukon won’t start, Help!

    I removed everything and haven’t bought anything yet, I just put the back bumper back on and have been driving it ever since without issue, besides no blind spot or back up sensors working I guess
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    It Rained so 2015 Yukon won’t start, Help!

    I haven’t replaced anything, parts would be back ordered for months so I unhooked everything, put the bumper back together and have been driving ever since without any issues. I love these vehicles but man oh man do they ever fill them with garbage parts.
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    It Rained so 2015 Yukon won’t start, Help!

    Took the time to take apart the bad blind spot sensor. Gm should be ashamed to sell such garbage, the box has a plastic cover for protecting the board, the cover has no fastener of any type to hold it on, they use a super fine bead of cheap silicone to hold the cover on, it just popped off and...
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    It Rained so 2015 Yukon won’t start, Help!

    Holy shit we may have luck, I removed the rear bumper like suggested this evening along with the wiring harness for parking sensors and blind spot sensors, the harness shows signs of water and heavy corrosion at main connector and connectors at both blind spot sensors, I’ve included some pics...
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    It Rained so 2015 Yukon won’t start, Help!

    I seen that some people had issues under the cowl, I took mine out and and checked it and they seemed good.
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    It Rained so 2015 Yukon won’t start, Help!

    I don’t suppose you have the part numbers for the switches? Also do you mean the parking sensors when you say proximity switches?
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    2015 Yukon electrical problems when it rains

    Have you had the transmission done in your truck?
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    It Rained so 2015 Yukon won’t start, Help!

    Dodn Did you replace the harness or repair it? How were you able to tell it was the harness, was there visible damage to it or just appeared to be bad and hoped for the best? I’ve been trying to fix this issue for 6 months now
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    It Rained so 2015 Yukon won’t start, Help!

    I Haven’t found the issue yet but this weekend it rained all weekend long so I parked the truck outside and left it, I went out after a day full of rain and the truck started up. This leads me to believe that water is getting in somewhere while driving. Also to everyone else that’s experiencing...
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    2015 Tahoe LTZ No start/NO crank/Random electrical issues

    Did you ever get this issue fixed? If so what fixed it, experiencing similar problems with mine and can’t find a fix(can’t find the root of the problem)
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    It Rained so 2015 Yukon won’t start, Help!

    Latest update, still no luck with the Yukon, I ordered a new tail light that will get put in this weekend. I’m wondering if there is anyone that can give me an idea of where modules are located on the truck that could get any water on them from driving or just sitting out in the rain. I’m just...
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    It Rained so 2015 Yukon won’t start, Help!

    I managed to get the truck into the garage the other night, it started but most of the dash wouldn’t light up. I pulled it inside and decided to unhook the battery cables and let it sit to dry for a day or two before going back to it. When I walked behind it I noticed the out led ring of the...
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    It Rained so 2015 Yukon won’t start, Help!

    Update, I got home today and tried to get the Yukon into my garage to see if I could at least dry it out. The dash stayed totally black, when I’d hit the start button I could here it clicking but nothing, I checked battery and it had full charge, tried the fob and door locks worked, headlights...
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    It Rained so 2015 Yukon won’t start, Help!

    I’ll gladly take all suggestions, I went this morning and tried it and no go again. Key fob wouldn’t work either this time so it’s just dead in the driveway.
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    It Rained so 2015 Yukon won’t start, Help!

    I’ll absolutely try that, I’ve already went down that road a bit, had shark fin off and made sure it was sealed up good, I had one guy talk about wiring issues under dash pad next to windshield so I removed it and no water or issues in there. But I’ll gladly try it out, gotta figure something...
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    It Rained so 2015 Yukon won’t start, Help!

    As always whenever we get wet weather our 2015 Yukon won’t start. The dash goes funky, all the warning lights, multiple service issues on screen like -service airbag -service trailer brake -service steering column lock -service front camera (doesn’t even have one) Sometimes dash will go black...
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    2015 Yukon No Dash No Crank Full battery, Need Help

    Wanted to provide an update, I bit the bullet and bought a new bcm and had it programmed at the dealer, ouch. Charged me 221 bucks for the module, I replaced it then they charged me 500 dollars to program it and spend an hour running a scan tool looking for issues. To add insult to injury they...
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    '15 Yukon XL SLT will not start, cluster light going crazy, engine will not shut off

    Did everyone end up replacing there bcm and did it fix your issues? I’m experiencing the same problem with the same symptoms
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    2015 Yukon No Dash No Crank Full battery, Need Help

    Today I pulled the negative cable off completely and did a resistance test from all 3 ends of the cable and the cable is good. I cleaned all connection points, cleaned both the frame and engine connection point and reinstalled. The truck started after everything was put back together, with it...
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    2015 Yukon No Dash No Crank Full battery, Need Help

    The battery is an oem battery about 2 years old, ive already removed cables and cleaned them, they didn’t show much of anything for corrosion. The battery has never lost charge, I’ve had it checked and load tested and it was good.
  24. Y

    2015 Yukon No Dash No Crank Full battery, Need Help

    I have a 2015 yukon slt, 4wd, push button start, recently it decided to not start, I checked for dead battery and it was fine, if I went back to the truck a few minutes later it would start. The problem went away then came back, then while driving the gauges would go dead but backlights would...

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