One problem related to automatic transmission control module has been reported for the 2006 Chevrolet Trailblazer. The most recently reported issues are listed below.
The contact owns a 2006 Chevrolet Trailblazer. The contact stated that the vehicle failed to start after multiple attempts. The contact had to recharge the battery in order to start the vehicle. The dealer stated that the pcm needed to be replaced. In addition, the headlights were too dim while driving at night. The dealer stated that the vehicle was working up to standards. The manufacturer was notified. The approximate failure mileage was 5,000.