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  1. T

    Weird noise from the rear. Cant fugure it out.

    2010 Tahoe LT. Weird alternating whining noise likely from rear righr wheen, but unsure. The noise is fairly low, but loud enough to hear. It does not always happen making troubleshooting harder. Alternating whining noise only at low speeds. At high speed, and again only sometimes, it turns...
  2. T

    What diagnostic software?

    I am thinking about upgrading my old 2010 Tahoe to 2021 Yukon or 2021 Suburban. What diagnostic software works to the same level of GDS2 and Tech2 on these newer vehicle? I currently mainly use Tech2 on my Tahoe with VXDIAG Nano and it works great, but can't find anything that is equal for 2021+...
  3. T

    Crumbling noise from throttle body area when cold

    Well, looks like it was a bad throttle body. i ended up replacing the entire unit with used off ebay and all seems to be fine now
  4. T

    Crumbling noise from throttle body area when cold

    Tried today to rev it a bit and the noise stays constant. Driving on highway in 20 degrees today it seemed like there is a sporadic power loss (feels like hitting strong head winds). It does seem like a throttle body related. I put my eat on throttle body today and almost certain that it is the...
  5. T

    Crumbling noise from throttle body area when cold

    Did you check the video i posted? i would compare it to loose nuts and bolts enclosed in pvs pipe as one shakes it.
  6. T

    Crumbling noise from throttle body area when cold

    I didn't get much love here and still trying to troubleshoot. Since last code reset, all seems to be working fine but it was warm outside. Today it got to about 20 degrees and the truck, while did not give out any errors, was idling rough while cold and this crumbling noise was coming from...
  7. T

    Went into the limp mode, again!

    Back again. A few days ago when asking for help regarding T's replacement, I mentioned that my truck went into reduced power mode and TCS error with engine light on. Upon Tech2 scan, three ECM and one EBCM codes popped up and all were pointing to throttle body being closed. I ended up replacing...
  8. T

    Aftermarket Radio Depth Clearance Question

    When I installed double-din years ago, I cut out plastic bracket inside, all the way back, of radio cuddy which made fitting a huge harness to retain all OEM controls much easier.
  9. T

    What is this line that leaks?

    What a community! Thanks much for this very detailed info.
  10. T

    What is this line that leaks?

    After some prolonged absence and a quite few repairs, I need some help again. After some extreme cold in Colorado, I had to replace the throttle body sensor as truck went into limp mode. All went well, but when deep under the hood I realized I have a small coolant leak from a line pictured. What...
  11. T

    Most recent GPS map

    Following Sent from my SM-G991U1 using Tapatalk
  12. T

    Seat heating element replaced, but issue persists. Now what?

    Bad news. No module. Fuse 24 is good. Perhaps the module is only on heated/cooled seats where I only have heated. Took passenger seat out and only found two modules on the floor, which appear to be park assist (first 3 pics). Tried disconnecting heating elements one by one (top then bottom) and...
  13. T

    Seat heating element replaced, but issue persists. Now what?

    Whoa, man! Thanks much. Ill take it all apart again to check it out. I did see this module anywhere (did not pay too much attention) and hopefully this burnt pin issue is not just for 07-09.
  14. T

    Seat heating element replaced, but issue persists. Now what?

    Thanks. Will check it out. When taking the seat out, I did not see anything unusual with the harness but id not look at the pins. I read somewhere that it might also be the door switch, but not sure how that can be related since it seems to work but then deactivate few minutes later.
  15. T

    Seat heating element replaced, but issue persists. Now what?

    Passenger side lumbar heating stopped working years ago. I never worried as I stayed in hot climate. I am getting ready to move to Colorado and went ahead to fix it. Took everything apart and lumbar heating element did not have continuity (seemed broken in one spot as wiggling one part of the...
  16. T

    Seat heating element replacement.

    Few topics on this here and there, but my question is whether bottom and top heating elements somehow interconnected where when one is faulty the other one also stops working? Long story short, my passenger heated seat went out long time ago. I did not care much as down south it does not matter...
  17. T

    Transfer case swap. Do I need to reprogram anything?

    Nope. Exact same model. Thanks. Sent from my SM-G991U1 using Tapatalk
  18. T

    Transfer case swap. Do I need to reprogram anything?

    Getting ready to swap transfer case due to stratched chain. Do I need to be aware or anything in terms or pre and/or post programming with Tech2? Thanks. Sent from my SM-G991U1 using Tapatalk
  19. T

    Brake project

    Did all this not long ago. Tech2 helped a lot with abs bleeding to ensure brake pedal is firm. Sent from my SM-G991U1 using Tapatalk
  20. T

    Reverse wire that triggers factory radio back up cam

    Thanks. Yes, that's what I concluded after tracing the wires by using Mitchel. Thanks Sent from my SM-G991U1 using Tapatalk
  21. T

    Reverse wire that triggers factory radio back up cam

    Well, stupid me. Forgot that I have AllData and Mitchel and both have the wiring diagram. Now I only need to make sense of it. Sent from my SM-G991U1 using Tapatalk
  22. T

    Reverse wire that triggers factory radio back up cam

    Good point and I tested that, but no avail. Connected front camera that has AV + and ground always supplied, but the NAV did not turn to reverse. Sent from my SM-G991U1 using Tapatalk
  23. T

    Reverse wire that triggers factory radio back up cam

    This is pretty much what I have, but which one is reverse light signal wire? Stock camera harness has 3 pins, AV +, ground, and 12v on reverse, BUT... I noticed Metra's harness did not tap into 12v pin and I tested with my home made harness with 12v pin connected to the radio and without and...
  24. T

    Reverse wire that triggers factory radio back up cam

    Long story short, factory backup camera to my Pioneer HU that I had for 6 years stopped working. After much troubleshooting, I came to conclusion that it is the HU to blame as everything works fine with factory NAV (more details in another post on here). Anyways, while everything is working with...
  25. T

    Aftermarket unit issue 6 years later

    Alright, I am happy to report that is NOT the HU. Connecting reverse wire from HU harness to a constant 12v does make the camera turn on on reverse. I also tested Metra's reverse wire and it does not have 12v on reverse and this is causing the issue. I am not sure what could break as I replaced...

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