What causes the service 4wheel drive light to come on in a 2002 Chevy trailblazer?

1. What does it mean when service 4WD light comes on?
2. How long does a TrailBlazer transmission last?
3. Does a 2002 Chevy TrailBlazer have 4 wheel drive?

What does it mean when service 4WD light comes on?

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.

How long does a TrailBlazer transmission last?

The transmission on the Chevy Trailblazer is built to last up to 130,000 miles before needing major servicing or replacement.

Does a 2002 Chevy TrailBlazer have 4 wheel drive?

The TrailBlazer comes in two- and four-wheel/automatic, all-wheel drive versions, one body style (a four-door), and two ritzy trim levels, LT and LTZ. ... The EXT, a longer wheel base model with an extra row of seats, is also available.