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  1. Coolman1987us

    Lost communication with everything, can lines shorted together.

    <iframe width="560" height="315" src="" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen></iframe> <iframe width="560" height="315" src="" title="YouTube video player"...
  2. Coolman1987us

    Lost communication with everything, can lines shorted together.

    And my new "end cap" to keep the water and shmoo out of the harness on the vehicle side.
  3. Coolman1987us

    Lost communication with everything, can lines shorted together.

    more pics
  4. Coolman1987us

    Lost communication with everything, can lines shorted together.

    Just to wrap this up, it was the electronic suspension control module. It stunk like burnt electronics and after I unplugged it the truck started and ran normal again. I cut the module open and found water inside the main power connection, INSIDE the module, and was shorted and burnt where the...
  5. Coolman1987us

    Scanner Recommendations

    I read a lot about the problems people had. I experienced none. I installed everything from the USB stick that came with the nano, in the correct order, and it worked flawlessly on both win 7 and 10. I think most issues are with the driver install, which is where the order you install the...
  6. Coolman1987us

    Scanner Recommendations

    Get a vcx nano for GM. 120 bucks on Amazon. Works exactly like a handheld tech 2. Software runs on windows 7 or 10.
  7. Coolman1987us

    Just bought a month of alldata diy

    If anyone needs anything from alldata for an 08 hoe with a 5.3 I have a subscription for the next month. Let me know.
  8. Coolman1987us

    Lost communication with everything, can lines shorted together.

    Yup already have. Tried a spare ecm also. Both plugs on ecm were bone dry. Pulled the tape and loom off and blew the dust out but no water. I'm still at a loss how water got in the fuse box and no where else but that's nature I guess.
  9. Coolman1987us

    Lost communication with everything, can lines shorted together.

    I dried the fuse box out and tried another fuse box cartridge altogether and no change. I'm going to check the suspension module next chance I get, maybe in the morning.
  10. Coolman1987us

    Lost communication with everything, can lines shorted together.

    2 inches of rain in 2 days I guess, big puddles? Really not sure how water got under the fuse box. I cleaned out the board it wasn't that bad really just surface corrosion, I've seen much worse. I'm worried about what may have been exposed to voltage it shouldn't have. I think everything fused...
  11. Coolman1987us

    Lost communication with everything, can lines shorted together.

    Thanks for the link. That was my next step but this will save me some time. Thanks again
  12. Coolman1987us

    Lost communication with everything, can lines shorted together.

    Speaking of the splice pack, I found the main can bus splice pack with the white comb that has 2 rows of 5 or 6 pins. I also found a splice pack not far from the first with 4 green wires and a green comb. Anyone know what this 4 wire splice pack is for? I couldn't find it in the schematics but I...
  13. Coolman1987us

    Lost communication with everything, can lines shorted together.

    So last August I had a weird electrical issue that I thought was a fluke. Turns out it's back. Last August as I was sitting at the drive thru window my dash started doing the lost comms dance. Service abs, taction control, 4wd, etc, service the world. The truck sat in my garage for a week while...
  14. Coolman1987us

    2008 Tahoe Engine Swap (2008 LMG to 2013 LC9)

    That's a good list, I'm gonna steal it, I was also thinking of bumping the entire charge table up a half a volt or so. You figure out how to do that cause I haven't yet.
  15. Coolman1987us

    2008 Tahoe Engine Swap (2008 LMG to 2013 LC9)

    Oh ya I'm still on page one with hpt also. Figured out the standalone data logging and just been taking logs until I have time to sit down and go through the software. I was skeptical when I bought it but it's definitely worth the $400 especially that the pro features are now built into the...
  16. Coolman1987us

    2008 Tahoe Engine Swap (2008 LMG to 2013 LC9)

    Expensive little toy but works awesome. AFM turned off, no more v4 for me
  17. Coolman1987us

    2021 Tahoe Z71 disabled after software update

    This is why right to repair is such a big deal. If 3rd parties could diagnose and fix these issues we wouldn't have to wait on GM to never do anything. Of course what does GM care they have your money already... I got a knock off tech2 a few months ago and I just got my MPVI3 from HP Tuners...
  18. Coolman1987us

    2021 Tahoe Z71 disabled after software update

    and its all one way, none of these vehicles "talk back" to the satellites, all the data transfers from the vehicles are done over cellular.
  19. Coolman1987us

    Dead Battery while parked.

    I had the exact same model. Problem with that cheap design, when the 120v power is disconnected the battery its attached to back feeds and powers the charger leaving the leds on. Not a big deal if its overnight but 2 or 3 days at -20f and your battery is toast. Schumacher isn't as good as they...
  20. Coolman1987us

    Battery Tender with De-sulfication Built It

    I second this. I have owned two (first was plugged in when lightning hit the house) and they both performed great. Don't remember the specs but it was around 7 amps max current and it was a "7 step" smart charger that did de-sulfation automatically or you could force it, model was Multi US7002...
  21. Coolman1987us

    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    Diy roof rack. Just needs paint.
  22. Coolman1987us

    Color Code by Vin?

    I would go by glovebox rpo code. My vin comes back as something other than the ltz it is depending on where you decode it.
  23. Coolman1987us

    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    Now you need to make them glow, like this.
  24. Coolman1987us

    How many miles is “too many” when buying used?

    Engine hour meter can be reset by the user. For reference, my 2008 had 198k when I bought it in August. Backwoods dealer, window sticker was 11k, I paid $9700, he took another $300 off because the rear ac had a leaking line. I used a block off kit I'll fix it later.
  25. Coolman1987us

    2011 Tahoe LTZ battery goes dead because of intermittent draw on battery

    https://chevroletforum.com/forum/tsb_recall/tsbs

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