Why is my Chevy Silverado not going 4WD?
If your truck is driving perfectly fine but switching into 4WD doesn’t engage the front wheels, you might have a bad axle actuator. Replacing the actuator is pretty easy and inexpensive.
Where is the 4WD control module located on a Chevy Silverado?
The 4WD control module is located deep within your dashboard, and is very difficult as well as expensive to replace. On occasion, they start to go bad, generally causing 4WD to not engage and without any codes being thrown. But if you are getting a code, the problem is still likely not your module.
Is there a DTC for a GM 4WD?
Some later model 4WD systems have scan tool capabilities along with diagnostic trouble codes (DTCs) to help locate and diagnose many of the problems associated with them. We looked at two GM K 1500 trucks that have the NVG 246 two- speed transfer case. One is a 1999 model, the other a 2000.
What is mode control on GM transfer case?
The dash buttons to the right of the air vent identify this system as an NVG 246 automatic two-speed, which means it has DTCs and scan tool capabilities. mode control is a set of normally open switches that vary the voltage supplied by the transfer case module when closed.
If your truck is driving perfectly fine but switching into 4WD doesn’t engage the front wheels, you might have a bad axle actuator. Replacing the actuator is pretty easy and inexpensive.
How do you change the selector switch on a Chevy Silverado?
Replacements are available for around $30, or you can try a DIY fix by taking the switch apart and re-heating all the solder joints on the back circuit board to ensure proper contact. To remove the selector switch: Lower the steering wheel all the way down. Put the truck in gear. Then, gently pull the dash off to gain access.
The 4WD control module is located deep within your dashboard, and is very difficult as well as expensive to replace. On occasion, they start to go bad, generally causing 4WD to not engage and without any codes being thrown. But if you are getting a code, the problem is still likely not your module.
How to reset electronic switch 4×4 [ s 10 Forum ]?
Cheap way – To clear the codes and reset the computer, pull the 5 amp TCCM fuse, located at the bottom of the fuse box. Wait at least a half hour, and then replace the fuse. Turn the ignition key to run, wait for the 4×4 lights to blink, and then turn off.
What causes bad ground connections on a car?
When checking ground connections, make sure the terminals attach to a non-painted surface. You want to connect to bare metal. Paint, corrosion, greasy surfaces, frayed or broken wires, and loose connections are the main cause of bad automotive grounds.
How can I find out if my engine ground circuit is bad?
There’s some unwanted resistance in the ground circuit. To locate the problem, continue with the next steps. Move your meter’s red lead to the main ground terminal, engine end side. Have your assistant crank the engine while you take a voltage drop reading.
How do you troubleshoot a Chevy 4 wheel drive?
How to Troubleshoot a Chevy Four-Wheel Drive. Chevy uses an electronic control to transfer the power from two-wheel drive to four-wheel drive. It’s no longer necessary to exit the vehicle and manually lock the hubs on the front wheels. This 4×4 system is operated with a transfer case knob on the dash board.
Why is YouTube not working on my Chevy 1500?
An error occurred. Please try again later. (Playback ID: zcGiTsgPap8-Hv3P) Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer. An error occurred while retrieving sharing information.
Is the Chevy Silverado GMT800 a 4WD truck?
This article applies to the Chevrolet Silverado GMT800 (1999-2006). 4WD systems give truck owners unprecedented abilities when it comes to gaining traction, both on and off the road. But like most “upgrades,” these systems also consist of numerous components, which over time will wear out and cause problems.