2018 GMC Sierra 1500 Technical Service Bulletins

956 technical service bulletins (TSBs) are on record for the 2018 GMC Sierra 1500. 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.

• 11001321May 16, 2024Transmission and drivetrain. This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
• 11001325May 14, 2024Other or unknown. This warranty administration bulletin provides policy information to cover GMs policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada.
• 11000602May 9, 2024Other or unknown. This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements.
• 11000576May 7, 2024Other or unknown. 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.
• 11000599May 6, 2024Wheels. This service bulletin provides information for cleaning brake dust off of aluminum or chrome wheels.
• 11000550May 3, 2024Other or unknown, Electrical system, Exterior lighting, Body and structure…. This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
• 11000549May 3, 2024Wheels. This service bulletin provides information on GM Canada New Vehicle Tire Warranty Program for Original Equipment (OE) Tires and PDI installed Limited Production Option (LPO) Tires.
• 11000493May 3, 2024Electrical system, 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.
• 11000361May 3, 2024Electrical system, Fuel system. This bulletin provides information for dealers/technicians on the Lithium-Ion battery section and small pack exchange procedure.
• 11000575May 2, 2024Other or unknown. This bulletin provides information on Warranty Administration – Required Operating Procedures - 8 Points (U.S. Only).
• 11000163May 1, 2024Other or unknown. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
• 11000158May 1, 2024Other or unknown, Seats. This service bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
• 11000162Apr 30, 2024Electrical 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.
• 11000160Apr 30, 2024Other or unknown. This service bulletin provides information on proper use of floor mats.
• 11000157Apr 26, 2024Electrical system. This service bulletin provides information for dealers/technicians on Over The Air (OTA) and In Market Enhancement (IME) FAQs.
• 11000119Apr 26, 2024Suspension, Engine, Transmission and drivetrain. This service bulletin provides technicians with information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
• 10253770Apr 18, 2024Wheels. This service bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV).
• 10253527Apr 10, 2024Equipment, Electrical system. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
• 10253526Apr 8, 2024Equipment, Wheels. This bulletin updates the position of General Motors on refinishing aluminum wheels. GM has determined that wheel refinishing under warranty will no longer be performed.
• 10252735Mar 28, 2024Electrical system. This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.
• 10252745Mar 27, 2024Body 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).
• 10252774Mar 26, 2024Electrical system, Equipment. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
• 10252126Mar 21, 2024Equipment. This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical Assistance Center (TAC).
• 10252125Mar 21, 2024Engine cooling. This service bulletin advises the technician of possible coolant entering the areas of the engine, either through failed parts or defects in the castings, that may be the cause of the concerns related to the MIL or the engine running rough.
• 10252124Mar 21, 2024Body 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).
• 10252106Mar 20, 2024Equipment, Fuel system. This informational bulletin provides information on availability for a locking gas cap for trucks are operated in high amount of dirt or dust which can migrate to the filler cap area.
• 10251890Mar 13, 2024Engine cooling. This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.
• 10251888Mar 11, 2024Equipment. This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
• 10251889Mar 10, 2024Equipment. This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
• 10253061Mar 4, 2024Brakes, Fuel system. This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation.
• 10251635Mar 4, 2024Equipment. This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be shipped using Central Transport. Hazardous materials should never be sent by air transportation to the WPC.
• 10251513Mar 1, 2024Other or unknown. This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
• 10251720Feb 27, 2024Transmission and drivetrain. This Preliminary information communicates to have the dealer contact TAC with the transmission TUN number prior to transmission installation.
• 10251715Feb 23, 2024Transmission and drivetrain. This Preliminary information communicates Diagnostic aids for a no start or DTC'S following a transmission replacement
• 10251710Feb 22, 2024Equipment. This Preliminary information communicates a restricted part due to stock limitation.
• 10250775Feb 22, 2024Engine 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.
• 10251708Feb 21, 2024Electronic stability control. This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Technician may find a Diagnostic Trouble Code C0710. Technician should inspect for vehicles modifications before any in-depth diagnostics are performed.
• 10251704Feb 21, 2024Forward collision avoidance. This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
• 10250564Feb 16, 2024Electrical system, Equipment. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
• 10250505Feb 7, 2024Engine cooling, Fuel system. This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.
• 10250503Feb 7, 2024Engine cooling. This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
• 10251685Feb 6, 2024Brakes. This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston installation. This grease can be cleaned off and the rest of the service completed.
• 10250347Feb 2, 2024Transmission and drivetrain, Engine cooling. 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.
• 10250348Feb 1, 2024Electrical system, Equipment. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
• 10250006Jan 31, 2024Equipment. This Preliminary information communicates to dealers of a known issue with failed map update
• 10249994Jan 24, 2024Fuel system. This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have rattle or ticking noise that is louder inside the vehicle than outside. The noise may also sound like a lifter tick. If the noise is heard best at the fuel line and the sound will be real loud with a stethoscope. The fuel line will need to be replaced.
• 10250244Jan 18, 2024Body and structure. This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
• 10249745Jan 18, 2024Body 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).
• 10249743Jan 18, 2024Transmission and drivetrain. This service bulletin advises the technician that the possible cause may not be from a faulty clutch piston or extension housing and to perform testing on transmission for other possible issues, but it still may be possible on high mileage vehicles that orifices in housing may have come dislodged, causing the same customer concern.
• 10250245Jan 17, 2024Engine cooling, Wheels, Seats, Steering, Transmission and drivetrain. This preliminary bulletin provides additional guidance for diagnosing vibrations or disturbances that may occur on full size pickups and how to correct and repair.

← All problems reported for the 2018 GMC Sierra 1500