2003 silverado service 4wd chevy truck forum silverado sierra gmc truck forums.
2003 chevy silverado 4 wheel drive problem on floor selector.
I have a 2005 chevy silverado 5 3 4x4.
Vehicles with service 4 wheel drive message and service bulletin.
Page 73 single stage air bags if your vehicle has frontal air bags with single stage deployment and your vehicle goes straint into a wall that doesn t move or deform the threshold level is about 13 to 16 mph 20 to 25 km h.
I bought a 2006 silverado that has a service 4 wheel drive light that comes on when driving for a short time.
In addition to the service 4 wheel drive message you may also have a c0387 or a c0569 trouble code stored.
The issue i m having is on a 2003 silverado 5 3 ls.
Unplug the encoder.
Because it comes up so frequently i decided not.
The dealer advises that gm has no fix for this dangerous problem and instead has had me remove the fuse to the on the fly 4 wheel drive.
I notice that a visitor posted that he bought the switch to resolve the problem for 35 00 online and replaced it himself.
Chevrolet silverado 1500 4wd four wheel drive guides.
When i try to scan it my scan tool says no communication and the lights on the four wheel drive selector switch are not lit read more.
This leaves me with a 2 wheel drive vehicle only.
2009 cadillac escalade hybrid.
2003 silverado service 4wd.
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See off road driving with your four wheel drive vehicle on page 4 21 for more tips on off road driving.
The transfer case on my 2003 silverado 3500 on its own switches from 2 wheel drive to low range 4 wheel drive while at speed.
Sort out your chevrolet silverado 1500 s 4wd problems with our repair how to s and learn how to use your 4wd system correctly.
Once 4wd hi engages the only way i can get out of it is by going to auto then 2wd but even then it will not work sometimes.
Learn how to keep the silverado 1500 s 4wd in top shape with our technical articles here.
The video covers the most common cause of the service 4wd message in the 2003 2006 silverado sierra trucks.
Not long ago i had my pcm updated reflashed and since then my 4wd hi will randomly engage while i am moving at decent speeds.