Question about GMC Sierra 1500
Just stopped going in reverse. all other gears work
You need to remove the transmission
first remove the oil pan if small parts of metal inside the transmission pan
there is no electronic that control the reverse
hope it helps
Posted on Mar 20, 2014
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Posted on Jan 02, 2017
SOURCE: 2001 GMC SIERRA 2500 HD
You need an ohm meter and check to see if ther is power at the horns and lights. There is no programming that turns off the horn on the steering column. But I have one of these trucks and had the same problem with the lights and horns but it didn't happen at the same time. My lightbulbs burnt out and the actual horns under the bumper did to. Hope this helps.
Posted on Jun 29, 2011
The transmission in that vehicle has been known to have problems and will probably need to be rebuilt or changed in the near future, you can try an automatic transmission conditioner to revitalize the performance, I recomend a product called Lucas transmission conditioner this will help extend the transmission life and help recondition the belts in the transmission.
Posted on Sep 08, 2012
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