2023 GMC Yukon Technical Service Bulletins

969 technical service bulletins (TSBs) are on record for the 2023 GMC Yukon. 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.

• 10222734Sep 13, 2022Engine cooling. This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
• 10222732Sep 13, 2022Engine cooling. This service bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts.
• 10222782Sep 12, 2022Fuel system, Engine cooling. This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards.
• 10222781Sep 12, 2022Engine cooling, Fuel system. This informational bulletin explains how to identify possible DEF contamination.
• 10222773Sep 12, 2022Fuel system, Engine cooling. This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set.
• 10222664Sep 9, 2022Engine cooling. This Informational bulletin advises the technician of a possible oil leak at the front cover and how to diagnose it to verify if it is coming from the seal or not.
• 10222660Sep 9, 2022Engine cooling. This informational bulletin provides a way for the technician to identify if the ECM has been modified.
• 10222658Sep 9, 2022Fuel system. This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.
• 10222650Sep 9, 2022Engine cooling. This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
• 10222649Sep 9, 2022Equipment. This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
• 10222205Sep 9, 2022Engine cooling. This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
• 10222661Sep 8, 2022Equipment, Electrical system. This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with RPO ATH and AVJ.
• 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.
• 10220317Sep 2, 2022Body and structure, Latches, locks and linkages. This technical bulletin provides the procedure to align the right rear door to correct the condition of Right Rear Door Alignment.
• 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).
• 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…
• 10217779Jul 21, 2022Engine cooling. This Preliminary information communicates information on correcting a rattle noise from the underbody exhaust heat shield.

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