When to use 4 Auto on Chevy Tahoe?

4 auto can be selected at any time (even in motion) and as mentioned above the truck will engage all wheels when needed….4 auto is meant especially for rainy conditions.

Can a Tahoe Suburban go into 4 wheel drive?

My 1999 Tahoe (odo reading 137,400 miles) won’t go into 4 wheel drive. A couple of days ago the “Check 4WD” light came on for a while and then went off. I planned, but haven’t done so yet, to get all the fluid levels checked this weekend.

What are the 4 wheel drive indicator lights on a Tahoe?

One day while attempting to shift into 4wd high from 2wd, all lights went out on the 2wd-4wd-4wd low swith and the “Service 4wd” light came on. I had a ’99 Tahoe that did this once and replcing the fuse worked.

What’s the difference between 2HI and 4WD in a truck?

Here are the settings you can use with a 4WD truck and how to use them: 2Hi: 2Hi can also simply be referred to as two-wheel drive, and it’s the most commonly used option. For people with automatic 4WD or AWD with automatic 4WD, it can be switched automatically from 2WD to 4WD when it senses slip in the wheels.

What kind of 4 wheel drive does a Tahoe have?

I recently purchased a 1998 Tahoe with the right side of dash push button 4×4 with the auto 4×4 and the previous owner stated he was driving it in 4Hi and when he went to go into 2Hi it wouldn’t shift and went into neutral.

What is the TSB for a Chevy Tahoe?

Chevrolet has determined the Transfer Case Control Module sometimes does not get the “wake up call” it expects upon start up. There is a TSB issued, 02-04-21-006E. Available via subscription on All Data among other places. The TSB discusses removing the fuse as described in this forum.

Where is the ATC on a Chevy Tahoe Suburban?

The ’99 and older are different but the one for my 2001 is located in a black plastic box under the hood above the left front wheel. I cross-referenced the “ATC” with the owners manual and found it for the automatic transfer case. It only made sense to check it, and, it had blown!

4 auto can be selected at any time (even in motion) and as mentioned above the truck will engage all wheels when needed….4 auto is meant especially for rainy conditions.

What’s the difference between 4WD Auto and 4WD Hi?

There is no procedure shifting into or out of 4HI and can be done at any speed. If you had a 2-speed transfer case (with 4lo) that needs to be done at 3mph or less with the transmission in neutral. Thanks guys. This clears things up quite a bit. The FM does not do a good job of explaining the difference.