GMC Sierra 1500 TSBs

The Sierra 1500 has been assigned 3,225 TSBs over 27 model years.
TSBs contain recommended steps and procedures for diagnosing or repairing a known problem. They are issued directly by GMC to service technicians. You'll often see TSBs used as evidence in lawsuits when owners feel the automaker should help with repairs.
A TSB can cover multiple models and years. The 2014 Sierra 1500 has been involved in the most campaigns with 2140 total service bulletins.