CHEVY 4 WHEEL DRIVE

2007 Chevrolet Tahoe

Tiny

revman54

January, 12, 2010 AT 1:09 PM

Drive Train Axles Bearings problem
2007 Chevy Tahoe V8 Four Wheel Drive 57000 miles

got in this a.M. Put vehicle in reverse and warning message " service 4 wheel drive system" came on and felt like I had the brakes on. Tried to reset the drive mode (had it on auto) but would not reset. Tiny lights were on on the dial for 4 wheel drive and auto. Could not get out of my driveway in reverse. Is this a sensor problem or something else. Have only used 4 wheel drive once and never went over 30 mph. Had no problem driving home last night but had this happen this morning.

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1 Answer

Tiny

Service Writer

January, 12, 2010 AT 1:56 PM

There are codes that are stored in the computer. Those need to be accessed first to know what it wants.

IF no codes are present, you need a computer flash.
Go here and enter your vin and check for calibration updates:

http://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Have seen a fair share of encoder motors and the switch on the dash on these go bad, but would not jump to these conclusions.

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