Where is the location of abs module on a 2002 Chevy trailblazer?

The ABS module on a 2002 Chevy Trailblazer is located underneath the driver's side of the vehicle, near the brake master cylinder. It's often bolted to the frame or unibody. You'll likely need to get under the vehicle to see it clearly. It's a fairly large electronic component. However, the exact location might vary slightly depending on specific trim levels and options.