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.

Is the 4WD switch on a 2004 Tahoe working?

I have a 2004 Tahoe LS. Two years ago, the 4WD switch buttons started acting up. It would light up red, like in neutral, then sometimes not go into 4-Hi, or maybe stay in 4-Hi and not go into 2-Hi right away. From what I recall, I disconnected the battery or something and the system reset and worked fine ever since. Until this month.

Where can I get my Chevy Tahoe 4WD serviced?

Went to switch it to 4WD for the first time I was going off road, and the red light came on and the dash board said service 4WD…any ideas or what the prob may be or cost of getting it serviced or where i can get it serviced…I live in charlotte if there are any users in the area Had “service 4wheel drive” warning coming on as well.

What is the fuse on a Chevy Tahoe 4 wheel drive?

So check the fuse. When in 4wd mode, a switch on top of the transfer case conducts 12 volts out to the actuator. Wire #50 (brown) is the 12v feed, and it conducts to the light blue wire (#900) to the actuator. When shifted out of 4wd, the switch opens up and no voltage goes to the actuator.

What makes a Chevy Tahoe go into 4 wheel drive?

You can’t post conmments that contain an email address. SOURCE: 1999 tahoe 4 wheel drive trouble light is on. Wont go into 4 On the full size, the front actuator is electric, not vacuum. So check the fuse. When in 4wd mode, a switch on top of the transfer case conducts 12 volts out to the actuator.

Why do my 4 wheel drive indicator lights go off?

I have a 2003 Tahoe, and my indicator light changes from 2 wheel drive to auto or to neutral without me pressing any buttons!? Anyone else have this problem? I hope it’s not expensive to fix 🙂 I’ve got 55k miles on my Tahoe and indicator lights for the 4 wheel drive will come off sometimes when I start the car.

What should I do if my Toyota Corolla security light goes off?

The ten-minute procedure involves trying to start the engine. If nothing happens or the engine starts and dies, the security light will be flashing. Wait ten minutes. The flashing light should go off or illuminate without flashing. When it does, turn the ignition off, wait twenty seconds, and then try to start the engine.

What are the warning lights on a Chevrolet?

The following are warning lights and indicators found in vehicles built by Chevrolet. Click a link to learn more about each one. They are roughly ordered by importance, which tends to be by color (red, amber, yellow, orange, green, blue, gray). There are nearly 50 of them so search carefully!

Why is the security light not working on my Chevy Tahoe?

The security light is part of the Passlock system and is not working properly. I checked the fuses and used another key but neither helped. Passlock is a second generation General Motors’ theft deterrent system.

How does the PassLock sensor work on a Chevy Tahoe?

The Passlock sensor sends a signal to the Passlock control module. The Passlock module reads this signal and sends the appropriate information to the Powertrain Control Module. If the ignition key and lock cylinder operates normally the engine will start as usual.

How does the fan switch work on a 1999 Tahoe?

The fan switch on my 1999 Tahoe seems to work only when Hi is selected, although there are occassions when dropping down to Med-Hi that fan still runs and sounds as though there is no change in fan speed. There are also times the fan does not run when Hi is selected as well……

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.

Is there a 4 wheel drive on a Chevy Tahoe?

Some Chevrolet Tahoe trim packages come with 4WD (four-wheel drive). If your Tahoe has this feature, you can easily engage the four-wheel drive mode. On older vehicles, this was often a pain; however, on the Tahoe, the 4WD shifter has been replaced by a simple dial. There are two versions of four-wheel drive in the Tahoe–4WD Low and 4WD High.

Can You service a 2003 Chevy Tahoe 4WD?

Just bought a 2003 Z71 tahoe w 96,000 miles on it. Went to switch it to 4WD for the first time I was going off road, and the red light came on and the dash board said service 4WD…any ideas or what the prob may be or cost of getting it serviced or where i can get it serviced…I live in charlotte if there are any users in the area

Can a Chevy Tahoe go into 4 Hi?

First, it wouldn’t go into 4-Hi. It would only stay in 2-Hi. The red neutral light came on one time, but mostly it would just stay in 2wd, and when I’d push 4-Hi that light would flash for a while but it would never go into 4-Hi.

Why is my neutral switch not working properly?

Sometimes the engine might crank in park but not in neutral. This is another possible symptom of a neutral safety switch problem. The switch itself might still be in good shape, but it could be loose in the transmission or there could be an electrical issue that is preventing the switch from receiving power.

Can a Silverado Sierra be put in neutral?

On my way to work this morning, however, the red neutral light came on and I couldn’t get it into any other setting, even after stopping/putting the truck in neutral/reverse/drive. I’ll see what happens this afternoon on my way home.

Why are there no lights on the selector switch?

I know this is an old thread but still very informational. On a 99 silverado 5.3 the switch lights would not come on also it was stuck in 2wd.l I replaced the actuator on the transfer case, checked the 4wd fuse in the cab, replaced the switch and the TCCM. Still no lights and no 4wd.

Why is my 4WD light not working on my Chevy Tahoe?

There have been about 3 or 4 times it has went out and stayed out for about a day. Then it would come back on. As of this moment now, the Service 4wd light is on. The lights only come on when I start the truck, then all four come on for a couple of seconds then go back out.

What kind of fluid does a Chevy Tahoe use?

Make sure to use auto trak II blue fluid for the tcase, only use the gm fluid for these trucks in the transfercase. Click to expand… The owners manual states use Dextron-III for the Stabilitrak transfer cases and Auto Trak II for Auto Trak transfer cases.

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 kind of fluid does a Chevy truck use?

Information about type and capacity fluid are for reference only. Reference book «Fluid type : automatic transmission Chevy Trucks and Vans». Full capacity l. Service fill l.

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.

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