Why are my 4WD warning lights going out?
Why are my 4WD warning lights going out?
Common problems are: When the ignition key is cycled from OFF-RUN-START and is released back to the RUN position after the vehicle starts, the 4WD mode lights should illuminate for 1 to 2 seconds and then go out. If they stay on, there is a problem with the 4WD system.
What should I do if my GM security light is flashing?
Insert ignition key and turn to the “ON” position. Do not attempt to start the engine. Leave the key in the “ON” position for approximately 11 minutes. The security light will be steady on or flashing for the 11-minute period. Do not proceed to Step 2 until the security light turns off or stops flashing. 2.
Why is the mode light flashing on my GM 4WD?
Here are some of the reasons why the mode light on the 4WD switch might be flashing: The mode light for a selected shift will flash until the shift is complete as indicated by a switch in the front differential. If the shift is not completed, the mode light will flash for a short time and then go out (no shift competed).
Why is the 4 wheel drive light blinking?
The 4-Lo engaged the low-range transfer case for rough and challenging off-road driving. Fast forward a few decades and, enter the Actuator. The actuator is a component found mostly on modern four wheel drives and is designed to electronically engage 4 wheel drive.
Why are there no lights on my 4WD?
2006 silverado 1500. 4×4 would not engage on mine. I would receive service 4wd message on dash and 4wd switch would change light locations randomly. Changed swich and it did not fix the problem.
Why are my GM 4WD warning lights flashing?
These systems use dash-mounted mode switches and electronic controls to perform the functions of the 4WD system. They allow shift-on-the-fly from 2WD to 4WD high range. This is accomplished by locking the front differential using a remote actuator. Why Are My 4WD Lights Flashing?
The 4-Lo engaged the low-range transfer case for rough and challenging off-road driving. Fast forward a few decades and, enter the Actuator. The actuator is a component found mostly on modern four wheel drives and is designed to electronically engage 4 wheel drive.
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.
