Where is TCM located on 2005 Chevy Trailblazer?

The Transmission Control Module (TCM) on a 2005 Chevy Trailblazer is typically located on the driver's side of the vehicle, mounted on the transmission itself. It may be found near the back of the transmission, often on the left side as you face the engine. For easier access, it may require removing some components or shielding. Always consult the vehicle's service manual for precise location and removal instructions.