2019 GMC Sierra 2500 Technical Service Bulletins

946 technical service bulletins (TSBs) are on record for the 2019 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.

• 10228906Dec 21, 2022Equipment. This Warranty Administration bulletin provides retail and wholesale service personnel with the policies/procedures and the warranty transaction submission procedures that support the Personal Property Damage process.
• 10230697Dec 15, 2022Visibility (wipers, defrost, mirrors). This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.
• 10228893Dec 15, 2022Electrical system, Equipment, Engine cooling. This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out.
• 10230696Dec 14, 2022Steering. This Preliminary information communicates information on a hydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. The noise is most noticeable in the cab at idle, in park, with all accessories turned off.
• 10230695Dec 14, 2022Equipment. This Preliminary information communicates information on how dealers can contact the supplier for Associated Accessories offered through GM.
• 10228888Dec 14, 2022Engine cooling. This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.
• 10228886Dec 14, 2022Engine cooling. This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
• 10228863Dec 13, 2022Engine cooling, Transmission and drivetrain. This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns for Canadian Dealers only.
• 10228192Dec 7, 2022Equipment. This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
• 10230683Dec 5, 2022Equipment, Electrical system. This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
• 10230682Dec 2, 2022Equipment, Electrical system. This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
• 10227398Nov 30, 2022Transmission and drivetrain. This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.
• 10227674Nov 29, 2022Wheels, Tires. This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
• 10227261Nov 18, 2022Engine cooling. This bulletin advises the technician to Inspect the position of the head gasket locating tabs to determine if the head gasket(s) has been possibly installed backwards to correct a concern of an Engine Thermostat Tick Noise and/or Running Hot.
• 10227241Nov 18, 2022Transmission and drivetrain, Engine cooling. This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global Warranty Management.
• 10227229Nov 18, 2022Transmission and drivetrain. This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto Mode.
• 10227058Nov 9, 2022Transmission and drivetrain. This information advises the technician the difference between a welch cap leak and the output seal of the t-case or transmission leaking ATF causing the customers concern.
• 10227056Nov 9, 2022Engine cooling. This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
• 10227052Nov 7, 2022Body and structure. This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
• 10227041Nov 7, 2022Engine cooling, Fuel 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.
• 10225719Oct 26, 2022Engine cooling. This bulletin advises the technician to Inspect the position of the head gasket locating tabs to determine if the head gasket(s) has been possibly installed backwards to correct a concern of an Engine Thermostat Tick Noise and/or Running Hot.
• 10225662Oct 20, 2022Suspension. This service bulletin provides a repair procedure to correct a customer concern of a Squeak, Grind or Clunking Noise from Rear Leaf Springs.
• 10225615Oct 19, 2022Electrical system. This service bulletin provides information on Module Harvesting.
• 10226384Oct 18, 2022Engine cooling, Transmission and drivetrain. This Preliminary Information communication provides information to the technician about vehicles that may have a delayed engagement into drive, shudder at a launch, or the transmission is slipping when shifting into 1st, 2nd, 3rd or 4th gears. This may be due to loose stator support to pump cover bolts causing a leak at the stator support to pump cover gasket. Technician will check for the bolts to be loose.
• 10226382Oct 18, 2022Brakes. This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.
• 10224820Oct 7, 2022Equipment. This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada Only).
• 10224831Oct 4, 2022Body and structure. This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program.
• 10226356Oct 3, 2022Transmission and drivetrain. This Preliminary information communicates diagnostic aid to help isolate possible repeat thermal by-pass valve concern.
• 10222839Sep 28, 2022Equipment. This service bulletin provides information on Handling Requests for Modifications to Permanently Import/Export Vehicles Between the U.S. and Canada.
• 10222832Sep 28, 2022Transmission and drivetrain. This informational bulletin explains how the trans slip or flare can be a normal condition.
• 10222841Sep 27, 2022Electrical system. This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).
• 10222823Sep 27, 2022Engine cooling, Fuel system. This service bulletin provides information on availability of Diesel Fuel additives.
• 10222777Sep 16, 2022Transmission and drivetrain, Brakes, Engine cooling, Suspension, Steering. This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
• 10222776Sep 16, 2022Electrical system. The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
• 10222771Sep 16, 2022Engine cooling. This service bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
• 10222770Sep 16, 2022Transmission and drivetrain, Engine cooling. This service bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification.
• 10222766Sep 16, 2022Engine cooling, Fuel system. This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
• 10224285Sep 14, 2022Transmission and drivetrain. This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. TAC is requesting the GDS2 session logs be sent in before the dealer contacts TAC.
• 10222796Sep 14, 2022Engine cooling. This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.
• 10222780Sep 14, 2022Fuel system, Engine cooling. This service bulletin provides service information for customer concerns of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated that may be caused by gelling of fuel in cold temperatures.
• 10222779Sep 14, 2022Engine cooling, Fuel system. This service bulletin provides a diagnostic aid procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe.
• 10222778Sep 14, 2022Engine cooling, Fuel system. This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system.
• 10222772Sep 14, 2022Engine cooling. This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
• 10222765Sep 14, 2022Fuel system, Engine cooling. This service bulletin provides the technician with additional information on fuels, fuel additives and fuel management.
• 10222733Sep 14, 2022Equipment. This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
• 10222783Sep 13, 2022Engine cooling, Fuel system. This informational bulletin explains how the regen works for the DEF system and how it works at different levels.
• 10222739Sep 13, 2022Engine cooling, Fuel system. This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
• 10222736Sep 13, 2022Fuel system. This service bulletin provides information on availability of Diesel Fuel additives.
• 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.

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