When does the 4WD warning light go out?

When the ignition key is cycled from OFF-RUN-START and is released back to the RUN position after the vehicle starts, the 4WD warning light should illuminate for 1 to 2 seconds and then go out. If it stays on, or the “Service 4WD System” message is displayed, there is a problem with the 4WD system.

What to do when your four wheel drive light is on?

If your service light is on or if your four wheel drive system doesn’t seem to be working properly, ask one of our certified technicians to help you diagnose any problems. The most popular service booked by readers of this article is Warning Light is on Inspection.

When does service 4WD light come on on Dodge Ram?

The bulletin applies ONLY to vehicles with an electronic transfer case (sales code DH8, DH9 or DK3) built before January 6, 2012 (MDH 0106XX). When the Service 4WD light comes on, it also shuts down the 4WD capability for the remainder of the drive cycle. This is a software issue and can only be corrected by flashing the computer’s memory.

Is there a 4WD light on a 2000 Chevy Silverado?

Mine is a 2000 Silverado Z-71 Extended Cab. The part number is the longer of the two – 15709327. I believe they used this part for 1999, 2000, and 2001. You can purchase the part, APDTY 012173 4×4, Four Wheel Drive 4WD Transfer Case Selector Button Switch. Replaces GM Part Numbers 15709327, or 19168767, from amazon by clicking the link below.

What does ” service 4WD system ” message mean?

Properly diagnosing and repairing any problems found should restore the system to proper operation. The “Service 4WD System” message does not mean it is time for routine maintenance of the 4WD system; rather, it indicates a problem with the 4WD system that should be properly diagnosed and repaired.

Why does my check engine light not light up?

If your Check engine light is ON, the easiest way to diagnose this problem is to always check your trouble code memory with an OBD2 scanner. The check engine light will not light up if there is a scheduled service as the service engine soon light.

Why does the 4 wheel drive light come on?

Vehicles that have four wheel drive systems tend to have a separate light to indicate an issue with the system. Usually labeled “Service 4WD”, when this light comes on, a code will be stored in the computer’s memory to help identify any issues. Depending on the problem, the four wheel drive may be disabled temporarily.

What does service engine soon light mean and what causes it?

Yes, Low engine oil level can cause the service engine soon light to appear on your dashboard on a lot of car models. It can also mean that other low fluid levels are low or other problems with the car. It is relatively easy to check the oil level, though, so you should definitely begin with it. Founder, owner & main author of Mechanic Base.

Why does my 4WD light come on on my Chevy Silverado?

There is a common problem with 1999-2001 Chevrolet Silverado where the service 4wd light comes on in the vehicle. The light is scary and led me to believe there were major issues with my four wheel drive, but it turns out its a quick, cheap, and painless fix by swapping out the 4wd selector switch.

When did the second generation warning light come out?

The second generation systems were introduced during the model changeover in the early 2000s. The T series (Chevrolet Colorado/Trailblazer and GMC Canyon/Envoy), along with the K series (Chevrolet Silverado/Tahoe and Sierra/Yukon), began using the second generation system at this time. Common problems for the full-sized trunks and SUVs are:

When does the 4WD warning light go out?