Hello All,
I have a 2007 2500 HD 4X4 Crew Cab (New Body Style, LT2 Package) with a duramax and allison trans. The truck has about 8K miles on it.
It has a weird electrical problem which I want to research before I take it back to the dealer and have them tell me that they can't figure out what's wrong with it.
Occasionally the truck mysteriously goes into tire learning mode when I reverse out of the big garage at work. The exact sequence of events is that shortly after starting the truck (while in the big garage at work) I pull forward out of my parking spot, and then reverse about 50 feet back through the garage door. While reversing the back-up sensor chirps once as I go through the door, then once outside I put the truck in park so that I can get out and close the door, when suddenly the truck's horn beeps twice and the information thingy says "Tire Learning Active" a few seconds after I put the truck in park. While reversing, I'm simply looking in my mirrors, and most definately not pressing any buttons anywhere. This is the only place and situation it ever does this. It does it almost every time I back out of this one particular garage at work.
Also this last time it did it, I noticed that the driver's side amber parking lights were much brighter than the passenger side. The passenger side was not dim, just the driver's side lights were really (unusually) bright. Also, the parking lights would not turn off no matter what I turned the switch to. And, yes I know that turning the knob all the way to the left will shut them off normally.
One last thing, it only does this when the trailer hitch is off and the parking assistant is on.
As you can see this problem is too weird for me to make up.
Any sort of heads-up before I go to the dealer would help.
It's just that an electrical problem on a new truck is very irritating.
Thanks in advance