2012 GMC Topkick

Service bulletins

Technical service bulletins and other communications the manufacturer sent dealers about this vehicle. Ask a dealer for the full document by its number.

• 11011805This Preliminary information communicates a GM part number forreflective high temperature heat or insulating tape when repairing wiring harnesses.
• 11010545This service bulletin provides information on key code security rules and information on GM keycode look-up applications (U.S).
• 11007208This 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.
• 11006621Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to updating affected modules (with some exceptions). The updating of modules is completed in parallel instead of the technician needing to update one module at a time. This allows a more streamlined approach for dealers and customers.
• 11001321This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
• 11000576This 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.
• 10253527This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
• 10253526This bulletin updates the position of General Motors on refinishing aluminum wheels. GM has determined that wheel refinishing under warranty will no longer be performed.
• 10252774This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
• 10252735This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.
• 10252163XM Audio Traffic And Travel Link Availability And Operation.
• 10252126This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical Assistance Center (TAC).
• 10251890This 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.
• 10251889This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
• 10251888This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
• 10251513This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
• 10250775This 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.
• 10250503This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
• 10250244This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
• 10250085Seat Belt Extender Availability
• 10250082Information on Driveline Clunk Noise
• 10250013High Voltage Safety ? High Voltage Disabling
• 10249590This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.
• 10249579This PI bulletin advises the technician on the proper way to install the pistons in an engine.
• 10249294This Preliminary information communicates a GM part number forreflective high temperature heat or insulating tape when repairing wiring harnesses.
• 10249011This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage.
• 10248444Vehicle Recalls
• 10247716J-35616-64B Terminal Test Probe / Replacement Terminal / Terminated Lead.
• 10247681Information On Requests To Add OnStar Bluetooth Option.
• 10247552This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.
• 10247192This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
• 10247063A/C Blows Warm Or Poor Performance.
• 10247061J-35616-64B Terminal Test Probe / Replacement Terminal / Terminated Lead.
• 10246983Checking Smartphone Bluetooth Software Update Status
• 10246982Checking Smartphone Bluetooth Software Update Status
• 10246963Changing Turn-By-Turn Voice Response To Metric Or English Units
• 10246634Information for Engine Oils Used in 2014 Model Year Vehicles
• 10246632PAC Courtesy Transportation Assistance Program
• 10246630GM Wiring Repair Strategy Information
• 10246627Changes in Powertrain Warranty Coverage Effective with 2010 Model Year

Every GMC Topkick model year

Bars are owner complaints, dots mark years with recalls. Select a year to open its report.