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.

• 10168188Oct 2, 2019Equipment. This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only).
• 10168177Oct 1, 2019Engine cooling. 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.
• 10165905Sep 26, 2019Body and structure. This Preliminary information communicates and issue with the hood ajar message being displayed when the hood is not ajar. Inspect the body ground strap to insure it is connected in the proper locations and the strap eyelets are tight and do not rotate.
• 10165904Sep 25, 2019Electrical system. This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical system associated with these vehicles does not allow controller swaps between vehicles.
• 10166638Sep 18, 2019Equipment. This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
• 10166635Sep 16, 2019Engine cooling. This diagnostic tip provides information to the tech to aid in performing a diagnostic test to verify if the camshaft alignment pin has been sheared away.
• 10165125Aug 29, 2019Wheels. This informational bulletin provides information on Wheel Balancer Mounting Instructions.
• 10165080Aug 26, 2019Engine cooling. This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe.
• 10165116Aug 23, 2019Engine cooling. This bulletin provides additional information on how to graph a cylinder misfire and a possible diagnostic cause.
• 10165087Aug 23, 2019Equipment. This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only).
• 10165124Aug 21, 2019Engine cooling. This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
• 10165084Aug 20, 2019Equipment. This informational bulletin provides information on Loss of Phone Pairing or Favorites, Last Setting of Volume, Station, App, and Audio Settings Change When Vehicle Shuts Down in Demo Mode and that this is considered a normal characteristic of the vehicle in demo mode.
• 10165126Aug 19, 2019Equipment. This bulleting provides Wiring, Terminal and Connector Repair Information including how to determine the Service Part Number in eSI and how to locate the part(s) in the EPC.
• 10165121Aug 15, 2019Engine cooling. This informational bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
• 10165093Aug 14, 2019Fuel 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.
• 10165122Aug 13, 2019Engine cooling. This informational bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
• 10165123Aug 12, 2019Transmission and drivetrain. This informational bulletin provides information on Some vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped.
• 10165098Aug 12, 2019Electrical system, Engine. This informational bulletin provides information for dealers/technicians on Oil Life Monitor Engine Control Module Update.
• 10164757Aug 8, 2019Steering, Visibility (wipers, defrost, mirrors), Electrical system. This Preliminary Information communication provides information to the technician about vehicles that may have any of these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on driver information center, service tire pressure system, no audio, touch screen Inoperative, Steering Wheel Controls Inoperative, Service Stabilitrak, rear power windows inoperative, rear wiper…
• 10165104Aug 7, 2019Transmission and drivetrain. This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal.
• 10164754Aug 7, 2019Equipment. This preliminary information explains that there are differences between the Elevated Idle, PTO and High Idle options.
• 10165079Aug 5, 2019Steering. This technical bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear.
• 10165131Aug 1, 2019Engine cooling. This engineering informational bulletin is requesting information on ways to check to see when the vehicle needs a oil change without the oil life monitor notifying you.
• 10163900Jul 26, 2019Equipment. This informational bulletin provides process information for the (GWM) and (WPC) parts return program.
• 10163905Jul 17, 2019Electrical system. This engineering informational bulletin is requesting information clear the codes and perform the glow plug learn procedure.
• 10165334Jul 16, 2019Equipment. This SKU is a Tire Hoist Assembly. The customer communication requested return of unsold inventory to inspect for the shape of the centerpiece of the tire hoist being round when it should be square. If the centerpiece is the incorrect shape then the tire hoist cannot be operated with the OE tools, and the end user would therefore not be able to lower the spare tire with the vehicles original tools.
• 10163902Jul 16, 2019Transmission and drivetrain. This preliminary informational bulletin adds the 2016 model year to diagnostic tips and repair information to correct a customer concern of reduced acceleration at low speed and/or transmission slipping from a launch, DTC P0751 set.
• 10164123Jul 11, 2019Transmission and drivetrain, Equipment. This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal.
• 10163657Jul 9, 2019Lane departure. This Preliminary Information communication provides information to the technician about vehicles that may have Service Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Technician may find Diagnostic Trouble Code B1008 Sym 4B set. Technician will need to check the windshield to ensure it is not aftermarket. Technician will also check for anything that may impair the front view…
• 10163886Jul 8, 2019Other or unknown. This informational bulletin provides explanation of a normal condition of a loose fitting ball receiver in the gooseneck.
• 10163222Jun 27, 2019Engine. This informational bulletin advises the technician of how the Soot information has changed from grams to percentage.
• 10163216Jun 27, 2019Engine, Equipment. This informational bulletin provides information on higher than expected oil consumption.
• 10163272Jun 26, 2019Equipment. 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.
• 10163270Jun 26, 2019Steering. This technical bulletin provides a procedure to flush and bleed power steering system to correct a power steering noise or fluid leak concern that is caused during extremely low temperatures.
• 10163268Jun 26, 2019Equipment, Electrical system. This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.
• 10163261Jun 26, 2019Fuel 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.
• 10162159Jun 26, 2019Electrical system. This Preliminary information communicates information to dealers advising certain Over the air updates and USB updates have been temporarily suspended.
• 10163266Jun 25, 2019Equipment, Engine. This informational bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
• 10163265Jun 25, 2019Suspension. This technical bulletin provides a procedure for re-torque the lead springs.
• 10163260Jun 25, 2019Equipment. This informational 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.
• 10163238Jun 25, 2019Engine. This technical bulletin provides a procedure to replace the head gaskets if found doubled stacked.
• 10163227Jun 24, 2019Engine. This informational bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information.
• 10163208Jun 24, 2019Fuel 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.
• 10162150Jun 24, 2019Equipment. This Preliminary information communicates a customer concern of IPC gauges inoperative or fluctuate, No Start, No Crank, SIR Light / Service Airbag Message, Service Suspension Message, Radio display blank, Steering Wheel Controls (SWC) not illuminated, Turn Signal no audible feedback, HVAC controls inoperative.
• 10162149Jun 24, 2019Brakes. 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.
• 10163252Jun 19, 2019Transmission and drivetrain, Equipment. This technical bulletin provides a procedure to change the diff fluid if found the cause of the customers concern.
• 10162143Jun 19, 2019Engine cooling. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Codes P0340 and P0341 setting at times. Technician should use normal published Service Information diagnostics. If normal Service Information diagnostics does not isolate the concern, inspect for corrosion in connector…
• 10162127Jun 14, 2019Suspension. This Preliminary Information communication provides information to the technician about vehicle with Service ABS and/or Traction control lights/message on, Service Power Steering System, Service Suspension System, and or Loss of communication with EBCM, SWPS, PSCM, and/or SCM. Technician may find Diagnostic Trouble Codes U0077, U0121, U0126, U0131, U0139, U0401, U0415, and/or U0428. Technician should remove the…
• 10163262Jun 13, 2019Suspension. This technical bulletin provides a procedure to apply grease to the leaf springs to correct a condition of a squeak noise from the metals making contact.
• 10162124Jun 13, 2019Electrical system. This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical system associated with these vehicles does not allow controller swaps between vehicles.

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