I finally got my truck back, it turns out that it was a faulty side detection sensor located in the left front of the vehicle. It stopped working about a year ago but I didn’t care much for it. As a result it fried BCM module so both needed to be replaced and programmed.
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Thanks for the info. I took it to the mechanic. He's helped me with electric problems before so I hope he'll be able to sort this out.
Upon first scan he's found some fault codes in the BCM. I'll pass him the info about battery cables as well.
Will let you guys know what he finds out.
Quick update from this morning, after all the snow we had yesterday it got really cold about 12° decided to try to start the truck it started right up without any problems. Two days ago I couldn’t even get it to run
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I just finished checking things out and it does not look good. Battery voltage is steady at 12.1 volts, it was replaced on July 2019.
Changed the battery in the key fob. Checked all the cables going to the battery, also the engine bay fuse box. Nothing seems to be out of order.
Right now when I...
Thanks for pointing me in some direction, today I'll inspect battery / engine bay area cables. We've had a lot of snow in NJ lately I think moisture / salt may be contributing to this malfunction.
I'll report later.
Hello everyone,
I'm new to this forum and asking for help. This morning I could not start my '15 Yukon XL SLT. Most of the cluster lights went on/off (check engine, tpms, airbag, theft system... etc) the backlit elements would dim down and up again. Fuel gauge would jump up and down. Decided...
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