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 to do if your 4WD light comes back?
If the light comes back, you will probably have to replace the encoder motor on the transfer case but be sure to get that verified by a mechanic. I disconnected battery, started truck, after a few minutes service 4WD light came on. Next day no light when started, drove few minutes light came on.
When did Chevy Silverado 4WD light come on?
Chevy technical service bulletin 05-04-21-003C, dated April 15, 2008, discusses a water intrusion condition affecting the harness and gives part numbers for modified harness assemblies and connectors (part numbers vary by vehicle option codes).
Why is my DTC 4WD light not working?
Some people say they have an intermittent illumination of the Service 4WD light. Upon inspection the technician may find DTC C0374 set. The customers may also say they have an intermittent erratic operation of the 4WD. You may notice the problem may occur on rough road or when wet conditions are present.
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 does the 4 wheel drive light mean?
The purpose of the 4 wheel drive light is to indicate when you have engaged 4WD mode by selecting 4H. When the light flashes continuously for more than 30 seconds it signifies there is a problem somewhere on your drivetrain system and that 4WD has not engaged properly.
If the light comes back, you will probably have to replace the encoder motor on the transfer case but be sure to get that verified by a mechanic. I disconnected battery, started truck, after a few minutes service 4WD light came on. Next day no light when started, drove few minutes light came on.
Is the service 4WD light on or off?
The service 4wd light has been on and stayed on almost the whole time I’ve had this issue. 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.