What does it mean when my Chevy Silverado says service 4 wheel drive?
The “Service 4WD System” message indicates a problem with the 4WD system that should be properly diagnosed and repaired. When the ignition key is turned from OFF-RUN-START and is released back to the RUN position after the vehicle starts, the 4WD warning light should go on for 1 to 2 seconds and then go out.
What does it mean when your service 4WD comes on?
When the 4WD light appears, it is letting you know that there is an issue with the 4WD system and it must be handled promptly. Another reason why this light may occur is an incomplete shift in gears. This is confusing and damaging to the engine and could result in your 4WD service light flashing continuously.
How do you reset the security light on a 2003 Chevy Silverado?
In a chevy silverado, you will try to reset the anti-theft system by turning the key on until the yellow lock goes out on the instrument panel for about 10 minutes. Turn the key off and do it 2 more times after 3 cycles, pull the key and put it back in.
What are the symptoms of low transfer case fluid?
If you hear grinding, growling, or humming noises that change with your vehicle speed, it may be coming from the transfer case. This could indicate a low fluid level or some mechanical problem such as bad bearings, loose chains or damaged gears.
What does it mean when the 4×4 light flashes?
A lot of the time, a flashing 4WD light is no reason to be alarmed, because it simply means that the system is working as designed. On vehicles where four-wheel drive is only activated on demand — that is to say, when traction conditions require it — this light shows up to tell you that it’s been activated.
How do I get my Chevy out of security mode?
How do you reset the Chevy Silverado’s anti-theft system? Insert the ignition key, put it in the on position, attempt to start the engine. With the key in that position, wait ten minutes. The security light will blink and go out.
How do I get rid of service theft deterrent?
Step 1: Insert the key into the door lock. Use the side door on the driver’s side and the physical key even if there is a keyless entry system on the car. Step 2: Turn the vehicle key to unlock the car door without releasing it. Hold the key for 30 seconds in the position.
Where is the fuse for the instrument cluster on a 2003 Chevy Silverado?
The instrument cluster fuse is located in the instrument panel on the 2003 Chevrolet Silverado.
What is a TCB fuse?
UPDATE: I found out the TBC is the fuse for the Body Control Module.