Chevrolet Trailblazer TSBs
The Trailblazer has been assigned 1,327 technical service bulletins (TSB). The 2009 model year has been involved in the most bulletins.
TSBs contain recommended steps and procedures for diagnosing or repairing a known problem. They are issued directly by Chevrolet to service technicians. You'll often see TSBs used as evidence in lawsuits when owners feel the automaker should help with repairs.