2023 GMC Sierra 2500 Technical Service Bulletins

765 technical service bulletins (TSBs) are on record for the 2023 GMC Sierra 2500. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10222668Sep 6, 2022Transmission and drivetrain. This informational bulletin advises the tech to check if the trans cooler lines are twisted which may cause the customers concern.
• 10220320Sep 2, 2022Engine cooling. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Service Engine Soon (SES) Lamp illuminated and/or “Service Emissions System” message on the Driver Information Center (DIC).
• 10220319Sep 1, 2022Transmission and drivetrain. This diagnostic tip advises the tech not to separate the flexplate from the torque convertor or damage my occur if the engine is started while diagnosing for noise from the engine or transmission.
• 10220308Sep 1, 2022Equipment. This service bulletin provides information on General Motors Dealership Critical Equipment Requirements and Recommendations.
• 10219389Aug 30, 2022Equipment. This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs (North America ONLY).
• 10219284Aug 25, 2022Equipment. This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).
• 10219278Aug 22, 2022Equipment. This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
• 10219267Aug 16, 2022Equipment. This technical bulletin provides repair information to correct a customer concern of 360 Camera Views go Blank with Tailgate Removed.
• 10219273Aug 15, 2022Equipment. This technical bulletin provides repair information to correct a customer concern of power assist steps inoperative / reverse after being deployed / erratic 0peration.
• 10219269Aug 15, 2022Electrical system. This technical bulletin provides a procedure to install 2 way tape to correct a condition of Trailering Connector Loose Within Rear Bumper.
• 10218887Aug 9, 2022Equipment. This informational bulletin provides information for dealers/technicians on power folding mirrors do not fold at the same speed.
• 10217334Aug 5, 2022Body and structure, Equipment. Stop Delivery Order for N222379650 – Hood Insulator Build Shy
• 10217793Jul 29, 2022Transmission and drivetrain. This Preliminary information communicates to the dealer technician that if a customer comments that their vehicle equipped with a 6L80, 6L90, 8L90, 10L80, or 10L1000 transmission has a harsh shift, shudder, stall or high transmission fluid temperature concern they should inspect for a twisted transmission cooler line. Technicians are instructed to disconnect the cooler line and untwist it then reconnect the cooler…
• 10217782Jul 25, 2022Equipment. This Preliminary information communicates information on correcting a rattle noise on driver side of cowl heat shield.
• 10217779Jul 21, 2022Engine cooling. This Preliminary information communicates information on correcting a rattle noise from the underbody exhaust heat shield.

← All problems reported for the 2023 GMC Sierra 2500