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.

• 10212601Jan 11, 2022Engine cooling. Informational bulletin explaining how a plow may cause overheating and engine damage when traveling over 45 mph.
• 10214207Jan 10, 2022Engine cooling, Electrical system. This technical bulletin provides a procedure to perform a learn procedure for the turbo actuator.
• 10213760Jan 10, 2022Brakes. This service bulletin provides information for tire pressure monitoring (TPM) system concerns.
• 10212616Jan 10, 2022Engine cooling. This informational bulletin explains how to identify possible DEF contamination.
• 10212611Jan 10, 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.
• 10212594Jan 10, 2022Equipment. 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.
• 10212608Jan 7, 2022Engine cooling. This informational bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information.
• 10212600Jan 6, 2022Electrical system. This informational bulletin advises the technician of how the Soot information has changed from grams to percentage.
• 10212593Jan 6, 2022Fuel system. This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions.
• 10212588Jan 6, 2022Other or unknown, Engine cooling. This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
• 10213764Jan 5, 2022Equipment. 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.
• 10213767Jan 4, 2022Equipment. The intent of this technical 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.
• 10213759Jan 4, 2022Fuel 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.
• 10213757Jan 4, 2022Tires. This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks.
• 10214721Dec 17, 2021Engine cooling. Block Heater Restore
• 10206733Dec 16, 2021Equipment, Engine cooling. This Preliminary information communicates to the dealer an issue where a vehicle may be exhibiting an engine noise condiion. The dealer is instructed on how to isolate the noise to a specific area of the engine for further diagnosis.
• 10206726Dec 14, 2021Engine cooling. This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
• 10207911Dec 10, 2021Transmission and drivetrain. This informational bulletin advises the technician to replace the TBV if the transmission has any type of repair even if no problem was found, to replace the tbv.
• 10212562Dec 6, 2021Back-over prevention (rear camera), Brakes, Engine cooling. This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the customers concern.
• 10205540Nov 23, 2021Engine cooling, Transmission and drivetrain. This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal.
• 10205738Nov 8, 2021Wheels, Tires. This service bulletin provides information for dealers/technicians on Tire/Wheel Characteristics (Vibration, Balance, Shake, Flat Spotting) of GM Original Equipment Tires.
• 10205539Nov 8, 2021Engine cooling, Equipment. This service bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.
• 10205737Nov 5, 2021Equipment. This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure, when diagnosing vibration concerns.
• 10205739Nov 1, 2021Electrical system. This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed.
• 10202398Sep 21, 2021Equipment. This Preliminary information communicates a concern where the radio will reboot when adjusting the volume intermittently and that engineering is investigating.
• 10202385Sep 1, 2021Steering. 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.
• 10201329Aug 26, 2021Engine cooling. This Preliminary Information communication provides information to the technician about vehicles that the blower motor may be noisy or vibrate when running. This concern will only occur when the temperatures is below 32 degrees Fahrenheit and if the blower motor is removed while still cold, ice may be found on the blower motor cage. This concern could be caused by water leaking or snow ingestion into the…
• 10205057Aug 20, 2021Fuel system. This service bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump.
• 10201321Aug 19, 2021Brakes, Electrical system. This Preliminary information communicates information to diagnose DTC C056D or C056E.
• 10201315Aug 18, 2021Engine. This Preliminary information communicates diagnostics to the dealer involving a vehicle shudder concern caused by the camshaft actuator system that can be mistaken for a transmission issue.
• 10201313Aug 16, 2021Electrical system. This Preliminary information communicates diagnostic tips when trying to root cause a SES MIL with DTC's B2B0D and B2B0E. Main cause is aftermarket electrical devices spliced into the ignition main fuses.
• 10201310Aug 11, 2021Equipment. This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits. Technicians should refer to Service Information for information regarding most accessories. Technicians may also contact PARTECH and/or the Techline Customer Support Center for additional support.
• 10205059Aug 6, 2021Electrical system. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
• 10205048Aug 6, 2021Engine. 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.
• 10201177Jul 22, 2021Electrical system. This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when a trailer is connected to the vehicle. Diagnostic Trouble Code C1114 set in the Chassis Control Module. Chassis Control Module has to determine the type of trailer brake system…
• 10200195Jul 1, 2021Equipment, Engine cooling. Customer Satisfaction Program Closed Message sent.
• 10200149Jun 28, 2021Equipment, Visibility (wipers, defrost, mirrors). This service bulletin provides information for dealers/technicians on glass ultraviolet (UV) Ray protection and tint percentage.
• 10200151Jun 21, 2021Equipment, Exterior lighting. This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines.
• 10200154Jun 15, 2021Transmission and drivetrain, Equipment. This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation.
• 10200137Jun 10, 2021Other or unknown. This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.
• 10200152Jun 7, 2021Transmission and drivetrain, Equipment. This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
• 10200153Jun 3, 2021Equipment. This service bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
• 10200089May 27, 2021Equipment. This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
• 10199256May 27, 2021Electrical system, Fuel system. This technical bulletin provides a procedure to replace the Fuel Power Module if found the cause of the customers concern.
• 10198865May 27, 2021Fuel system, Electrical system. This technical bulletin provides a procedure to replace the Fuel Power Module if found the cause of the customers concern.
• 10200092May 26, 2021Equipment. This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.
• 10195333May 26, 2021Wheels. The complete Communication ID is: RFI20210526_939-187 and was communicated to customers on May 26, 2021. The Communication ID field did not permit me to enter the complete Communication ID as it is in our internal system. This product is a steel wheel. The customer communication requested return of unsold inventory to inspect the wheel for material dimension. If the material fails to meet the manufacturing…
• 10199281May 25, 2021Fuel system. 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.
• 10198890May 25, 2021Electrical system. 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.
• 10199235May 21, 2021Equipment. This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).

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