Is there a service light on my Trailblazer?

In the 2003 trailblazer cleaning and reseating the Electric plug on the tranny was one solution. dagosa July 6, 2016, 3:05am #4 Whether or not the service light is linked to the functionality light of the 4wd is questionable. It should not be. If it is, there is an electrical problem in the system as @csa indicates. So…

What does service 4 wheel drive panel light mean?

Our 2007 Chevy Tahoe 4 X 4 recently displayed a “Service Four Wheel Drive” panel light a couple of days ago (upon ignition on a sunny, dry day). The light had been steady which, when we read the owners manual, indicates a problem but no immediate service required.

Why is my 4WD service light not working?

It would engage into lower gear in 4lo but wouldn’t actually go into 4wd. Taking a closer look at the wires, I noticed that there is a small ground wire that was hidden in the tube that got unconnected. Simply put a new connector on it and works like a charm now! I hope this helps you with your 4wd service light issue!

When did my 4 wheel drive light come on?

On March 5th/2018 my 2007 Silverado Chev 4×4 “Service four wheel drive” light came on. It wouldn’t go into 4 wheel drive. On the 8th, it cost a pretty penny to have it fixed at a good dealership where I bought the truck. They have a service there and they are a huge company. I brought it home and 2 days later, the light came back on.

How does the 4WD light work on a Chevy Avalanche?

The vehicle will transfer into 4wd with out being selected. All the lights in the switch work, but it will not shift from 2wd to any other position. when the button is pushed the light blinks and nothing happens. The TIC displays “service 4wd”.

How much does it cost to repair a Chevrolet Avalanche 1500?

Fault code (s) stored in the transfer case control module will be of assistance in determining the exact fault causing the message to be displayed. The average cost for a Chevrolet Avalanche 1500 General Diagnosis is between $88 -$111. Learn More Good news! We found 31 RepairPal Certified shops near you.

Why is my service 4WD light not working?

The 4WD transfer case encoder motor position sensor or the selector switch may fail causing the service 4WD message to be displayed. Fault code (s) stored in the transfer case control module will be of assistance in determining the exact fault causing the message to be displayed.

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.