2007 Yukon wierd power issue

[zell66]

all windows except driver-side rear door do not work, yes I changed switch and had dealer program and still nothing. now both front power sears do not move. I hear a click but nothing, heated seats go on for about 1 min. then turn off, power foot pedals also do not work.

What the hell is going on. I checked fuses in engine bay and will check fuses on side of dash by drivers door.

Anything else I should check????

 

[OR VietVet]

Any other recent work or air bag deployment?

 

[zell66]

replaced both crash sensors but this was happening before and after i changed sensors. Also replaced brake switch because cruise control was not working. It now works. Everything else is what baffles me.

 

[wjburken]

replaced both crash sensors but this was happening before and after i changed sensors. Also replaced brake switch because cruise control was not working. It now works. Everything else is what baffles me.

What year?

Timing of issues vs brake switch?

What did dealer say?

 

[zell66]

2007

First was drivers window, then driver side door speaker. that was that way for 6 months or more. Purchased a new switch and paid dealer to program new switch, did not work. now in last few weeks power seats, pedals and heating of seats do not work. I hear a click sound when I try and more seat but that is it. Now both front and rear passenger side widows do not work, only drivers side rear door window works. Dealer wants for investigate at $125 an hour. nothing showed up on dealer scan

 

[OR VietVet]

Did the wiring in the door jam get inspected for any problems/breaks?

 

[wjburken]

Did the wiring in the door jam get inspected for any problems/breaks?

That’s kind of where I was heading as well. Check the wire harness from the front door and the wires under the dash, particularly going into the module above the brake pedal.

Had a guy on here a while back with similar issues that found that he had some wires chaffed/cut under the dash.

 

[zell66]

Did the wiring in the door jam get inspected for any problems/breaks?

did not check that. Ill do it in the AM

 

[OR VietVet]

Just remember that you will likely see a protective boot but the damage can be inside there. It can also be at the under dash area at firewall if anyone was in there when other work was done and also under the dash during that same time. Someone may mention a BCM but remember, most modules are few and far between when it comes to blaming them.

 

[Rocket Man]

Check for any ground issues, like corrosion at any ground location. Could be a module that has a poor ground.