Why is my Chevy Silverado stuck in 4WD?

Why is my Chevy Silverado stuck in 4WD?

The dealer found a Chevrolet “Field Action” for the vehicle that indicated the transfer case shift control module required reprogramming. The “Service 4WD” message appeared on the driver info screen. Some of the vibration issues being reported could be that the truck is stuck in 4WD – that causes steering wheel vibration at highway speeds.

What causes a truck to go into 4WD?

So the only things that tell the truck to go into 4WD is by hitting the button/switch (which I am not) which sends a message to the TCCM to send power to the Actuator. My theory is that the TCCM is failing and is sending that message to the Actuator without being asked? – “Service 4WD” on shortly after every startup, stays on.

How to tell if my Silverado has 4WD service?

– “Service 4WD” on shortly after every startup, stays on. – NO lights on dash switch indicating 2HI, 4Lo, etc… (except all flash momentarily on startup, typ.) – Pushing switch buttons does not appear to affect anything (no sounds of trying to engage/dis-engage)

How to disengage a 4WD truck without going under a truck?

To disengage the 4×4 without going under the truck I did the following (thoughts others may benefit from this procedure): 1. Remove the negative cable from the battery; wait a few minutes (3 minutes worked for me). 2. Reconnect the negative (ground) cable to the battery. 3. Start the truck only (do not put it in gear]

What to do when your Silverado is stuck in 4WD Low?

When it was stuck in 4 low I would take out the fuse ( on left side of dash) for the four wheel drive and wait for a minute or so and it would reset itself. Had the switch replaced but that was not the problem. Took it to the dealer and it turned out to be an actuator. I dont remember but think it was close to 300 bucks to have them fix it.

Why is my 4 wheel drive light not engaging?

If you don’t shift it into neutral, the 4wd light will continue to flash and won’t get into gear. Seems to be a common occurrence on these trucks. Dodge dealers recommend engaging 4-lo, then back in 2-wheel drive, then back in 4-wheel drive hi (4H). This sequence apparently resolves the problem.

What kind of 4WD does a Silverado have?

I drive a 2005 Sierra with the push button 4wd. About a year ago, my “service 4wd” message would come on sporadically. After doing some research and finding that gm had problems with its switches, I went to the dealer and got another switch.

Why is the serives light not working on my Silverado?

The switch panal lights for the 4×4 will not come on. Not a problem because I was in 2H. I had recenetly replaced the battery and the service light went out. I was not able to switch into 4H but was able to switch to 4Low. Upon doing this, the serives light came back on.