2012 GMC Sierra 1500 Technical Service Bulletins

892 technical service bulletins (TSBs) are on record for the 2012 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.

• 10253147Jan 1, 2013Engine cooling. Power On Acceleration After Cold Start.
• 10253146Jan 1, 2013Engine cooling. Power On Acceleration After Cold Start.
• 10247747Jan 1, 2013Electrical system. Speedometer Needle Accuracy Information
• 10247729Jan 1, 2013Equipment. High Pitch Sound From Radio Display
• 10247092Jan 1, 2013Electrical system. Speedometer Needle Accuracy Information
• 10247074Jan 1, 2013Equipment. High Pitch Sound From Radio Display
• 10138538Dec 20, 2012Engine cooling. This informational bulletin provides information on the proper oils to use on GM vehicles including information regarding the differences of the Dexos oils.
• 10138541Dec 17, 2012Equipment. This warranty administration bulletin provides information on the Clarification of Use for Dealer Empowerment Labor Operations and Customer Enthusiasm
• 10138565Dec 13, 2012Transmission and drivetrain. This preliminary informational bulletin provides information on replacing the transmission fluid level indicator if a customers comments regarding one being broken.
• 10112641Dec 12, 2012Engine cooling. This Preliminary Information communication provides information to the technician that fluid contamination may be directed to one of the following testing centers according to the type of fluid needing testing. Dealer should send the correct fluid to the proper testing center.
• 10138547Dec 11, 2012Body and structure. This preliminary information bulletin provides information on installing new rivets on the accessory tonneu cover to correct a customers comments on the cover seeming loose
• 10138544Dec 7, 2012Tires. This informational bulletin provides the proper information used to determine the road force variences within new tires being installed and the proper forms used to send the tires back if the road force is not within spec.
• 10138556Dec 4, 2012Equipment. This preliminary information bulletin provides a descritption of operation of the echo control and noise cancellation settings for concernc regarding noice drop outs during calls and muffled sound.
• 10245772Dec 1, 2012Wheels, Other or unknown, Tires, Suspension. Diagnostic Tips for Difficult to Resolve Tire/Wheel Vibration Concerns
• 10245770Dec 1, 2012Wheels, Tires, Other or unknown. Proper Wheel Installation and Wheel Torque Techniques
• 10245743Dec 1, 2012Equipment. Global Information for GM dexos 1? and dexos 2?, Engine Oil Specifications
• 10112608Nov 28, 2012Equipment. This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have an OnStar Turn-By-Turn Navigation the system that is inoperative. Technician verifies there are no Diagnostic Trouble Codes are present in the Antilock Braking System and Vehicle Communication Interface Module of the vehicle. If no Diagnostic Trouble Codes found call OnStar using…
• 10112607Nov 28, 2012Equipment. This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Technician will need to call General Motors Technical Assistance Center with the scan tool data from the OnStar system.
• 10112600Nov 26, 2012Transmission and drivetrain. This Preliminary Information communication provides information to the technician with the axel setup information from American Axle Manufacturing. Technician should be advised that the maximum pinion shim to be used or stacked behind the pinion is 0.050?, and the minimum pinion shim is 0.020? for an 8.6 axle. The range for available pinion depth shims for the 10.5? axle is 0.006? to 0.024?. When setting the…
• 10112599Nov 21, 2012Electrical system, Equipment. This Preliminary Information communication provides information to the technician about vehicles that loose connection between the vehicle and a Bluetooth phone. Technician will need to use a scan tool to check the "Firmware Over-the-Air" value. If the "Firmware Over-the-Air" value is up to date and customer's concern is still present contact General Motors Technical Assistance Center for further assistance.
• 10112560Nov 9, 2012Brakes. This Preliminary Information communication provides information to the technician about brake rotors on new vehicles and replacement parts from General Motors Service Parts Operations. Technician should be advised the costing should not be removed from the brake rotor it will wear off with normal brake usage. Dealer should communicate to the customer this condition is a normal operating characteristic of their…
• 10112544Nov 6, 2012Steering, Brakes. This Preliminary Information communication provides information to the technician about vehicles that may have a power steering pump whine noise. Technician will need to flush and refill the power steering system with Lucas Power Steering Fluid with Conditioners. Technician will replace the power steering pump with the latest design if the fluid is not available.
• 10253610Nov 1, 2012Visibility (wipers, defrost, mirrors). Diagnosis and Repair HVAC Blower Function.
• 10253603Nov 1, 2012Equipment. Poor Voice Quality During Bluetooth Call or OnStar® Personal Call.
• 10253145Nov 1, 2012Body and structure. Noise Heard Or Felt Inside Passenger Compartment.
• 10245761Nov 1, 2012Equipment, Electrical system. Requesting a New Key Code for Customer with Lost or Stolen Keys
• 10112528Nov 1, 2012Electrical system. This Preliminary Information communication provides information to the technician about vehicles that during battery parasitic drain test, there may be some confusion as to what the normal power consumption reading should be from the OnStar system. Technician should understand the power cycles of the various OnStar systems. All Generation 6, 7, 8, and 9 systems are powered up continuously for 48 hours from ignition…
• 10072009Nov 1, 2012Body and structure. Summary to be provided on a future date.
• 10118665Oct 29, 2012Transmission and drivetrain. This preliminary informational bulletin provides a procedure to replace a terminal for comments regarding Instrument Panel Cluster (IPC) Warning Lamps and/or MIL are Illuminated, Diesel Exhaust Fluid (DEF) Message Displayed, Various DTCs Set, Transmission May Not Shift or Defaults to Second Gear (Inspect Wiring Harnesses for Chafing, Connectors Not Fully Seated, and Backed Out or Damaged Terminals, Repair as Needed)
• 10118664Oct 29, 2012Brakes. This technical bulletin provides a procedure to either refinish or replace the front rotors for a condition of brake induced pulsation, vibration felt in steering wheel, rumble noise from underbody during downhill descents.
• 10118658Oct 24, 2012Fuel system. This preliminary informational bulletin provides Information for Diesel Particulate Filter (DPF) Service Regeneration Documentation.
• 10085115Oct 24, 2012Electrical system, Engine. This preliminary informational bulletin provides a procedure to perform an air leak inspection to correct a customer concern on an illuminated malfunction indicator lamp (mil), and a reduced engine power message displayed due to the engine control module (ecm) detecting that the diesel particulate filter (dpf) has accumulated 70 grams or more of soot.
• 10112494Oct 18, 2012Equipment. This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts. Technician can check Service Information for some accessories. Technician can also contact Partech for assistance.
• 10118643Oct 16, 2012Equipment. This preliminary informational bulletin provides a list of corrections for multiple concerns regarding Unexpected Loss of Radio Audio (Radio Goes Silent/No Sound) and Other Blackberry Phone - Bluetooth Issues
• 10118641Oct 16, 2012Exterior lighting, Electrical system. This informational bulletin provides information on Available BCM Calibrations to Restore Bulb Outage Detection on Vehicles Produced by a Second Stage Manufacturer (Upfitter), Turn Signals Flash Fast after Factory Box Removed
• 10084191Oct 16, 2012Equipment, Electrical system. This preliminary informational bulletin provides a list of corrections for multiple concerns regarding unexpected loss of radio audio (radio goes silent/no sound) and other blackberry phone - bluetooth issues
• 10118640Oct 15, 2012Fuel system, Engine cooling. This informational bulletin provides information for Identifying Non-GM ECM Calibration Use and Power-up Hardware Detection in Duramax Diesel Engines - Photograph Tech 2 Calibration IDs, Calibration Verification Numbers (CVNs) and Transmission Data Screen
• 10118639Oct 15, 2012Engine cooling. This informational bulletin provides Information on Identifying Duramax Diesel Overpower Engine Breakdown/Non-Function Due to Aftermarket Power-Up Devices vs Non Overpower Engine Non-Function of Pistons, Cylinders, Valvetrain Components, DTC P003A or P111D Set
• 10118637Oct 15, 2012Equipment. This informational bulletin provides information on dealer responsibility for cargo carrying capacity labeling and the part numbers for the labels.
• 10118635Oct 15, 2012Visibility (wipers, defrost, mirrors). This preliminary informational bulletin provides a procedure for relearning the power folding mirriors and road testin to verify they correct a condtion of the power folding mirriors glass shakes, flutters at normal driving conditions.
• 10118634Oct 15, 2012Transmission and drivetrain. This warranty administration bulletin provides information on the change in automatic transmission add conditions documentation and claim submissions
• 10085128Oct 15, 2012Engine. This informational bulletin provides information for identifying non-gm ecm calibration use and power-up hardware detection in duramax diesel engines - photograph tech 2 calibration ids, calibration verification numbers (cvns) and transmission data screen
• 10084683Oct 15, 2012Equipment, Body and structure, Visibility (wipers, defrost, mirrors). This preliminary informational bulletin provides a procedure for relearning the power folding mirriors and road testin to verify they correct a condtion of the power folding mirriors glass shakes, flutters at normal driving conditions.
• 10118632Oct 12, 2012Tires, Wheels. This informational bulletin provides information on how to properly mount and balance wheels and tires on heavy duty truck models only
• 10112468Oct 12, 2012Visibility (wipers, defrost, mirrors). This Preliminary Information communication provides information to the technician about the percentage of Ultraviolet protection or tint offered by the windshield or side glass. Technician should be advised Windshield reduces Ultraviolet rays down to 4% or less. Front side door glass reduces Ultraviolet rays down to 35% or less. Windshields are SOLAR glass with a light transmittance of >/=70%. Front door glass are…
• 10118630Oct 11, 2012Body and structure. This preliminary informational bulletin provides a procedure on how to clean overspray from chorme bumpers for concerns related to an apperance of discoloration or corrosion near edges/openings of chrome bumpers
• 10112465Oct 11, 2012Equipment. This Preliminary Information communication provides information to the technician about vehicles that have a message on the radio "maximum number of phones are currently paired to the vehicle". Dealer should advise the customer this is normal operation of the vehicle due to the maximum number of five phones can be paired to a vehicle.
• 10084685Oct 11, 2012Equipment, Body and structure. This preliminary informational bulletin provides a procedure on how to clean overspray from chorme bumpers for concerns related to an apperance of discoloration or corrosion near edges/openings of chrome bumpers
• 10118626Oct 10, 2012Equipment. This warranty administrational bulletin provides information on Clarification of Use - Dealer Empowerment Labor Operations and Customer Enthusiasm
• 10118623Oct 9, 2012Equipment. This warranty administrational bulletin provides information on courtesy transportation and roadside assistance programs offered through GM.

← All problems reported for the 2012 GMC Sierra 1500