2015 GMC Sierra Technical Service Bulletins

181 technical service bulletins (TSBs) are on record for the 2015 GMC Sierra. 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.

• 10112141Jul 30, 2014Electrical system. This Preliminary Information communication advises the technician that the Instrument Panel Cluster for vehicles will be placed on restriction through the General Motors Technical Assistance Center. Dealer will need to contact the General Motors Technical Assistance Center for further assistance.
• 10112139Jul 30, 2014Equipment. This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, display, and Media Disc Players are placed on restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
• 10112132Jul 28, 2014Transmission and drivetrain, Brakes. This Preliminary Information communication provides information to the technician about vehicles that are equipped with 6L80 Regular Production Option Code (MYC), 6L90 Regular Production Option Code (MYD) or 8L90 Regular Production Option Code (M5U) Automatic Transmission. Starting with the 2013 model year, Full Size Trucks and Utilities now have Powertrain Grade Braking.
• 10112129Jul 25, 2014Brakes, Transmission and drivetrain. This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ? Brake Pedal Override Feature ?, transmission busy or frequent shifting up or down, and Diagnostic Trouble Codes P057B, P057C, and/or P057D may or may not be set.
• 10112128Jul 25, 2014Body and structure. This Preliminary Information communication provides information to the technician about vehicles that may have an EZ Lift and Lower tailgate opens too quickly. If the tailgate opens within approximately 2-6 seconds, no repairs should be made.
• 10112126Jul 24, 2014Transmission and drivetrain. This Preliminary Information communication advises the technician that the T87 TCM for the 8L90 8 speed and the LCT1000 6 Speed Allison (MW7) automatic transmission is on restriction through General Motors Product Quality Center. Dealer will need to contact General Motors Product Quality Center for further assistance.
• 10112119Jul 21, 2014Engine cooling. This Preliminary Information communication provides information to the technician about vehicles that have run hot and or has a tick noise. Technician should inspect the head gaskets to ensure are not installed backwards. Technician should replace the head gasket if they are found installed backwards.
• 10112117Jul 17, 2014Equipment, 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…
• 10058259Jul 16, 2014Engine cooling. General motors: an optional engine block heater plug in for onboard ac power and with continuous usage will result in shorting of wires, over heating system, electrical failure and compartment engine fires. Model 2003-15 express cut away vans, silverado chassis cab, savana cut away vans, sierra chassis cab.
• 10112111Jul 14, 2014Electrical system, Equipment. This Preliminary Information communication advises the technician that the Engine Control Module part numbers 12656993 and 12662034 are on part restriction through the General Motors Product Quality Center. Dealer will need to contact General Motors Product Quality Center for further assistance.
• 10112103Jul 8, 2014Fuel system. This Preliminary Information communication provides information to the technician about vehicles that may have a fuel leak or fuel odor. Technician may find Diagnostic Trouble Codes. If Diagnostic Trouble Codes are found technician should use published Service Information diagnostics first. If fuel leaks are found at the high pressure pump to fuel rail line fitting connections, technician should inspect the high…
• 10112101Jul 8, 2014Equipment. This Preliminary Information communication advises the technician that Diagnostic Trouble Code B127E in the Human Machine Interface with Regular Production Option Code U42 or UWG will be current when playing a DVD or Blu-Ray on the Integrated Center Stack display. When the disc is ejected the Diagnostic Trouble Code will be history.
• 10112100Jul 1, 2014Equipment. This Preliminary Information communication provides information to the technician about vehicles that may have a blank display. Technician may find a Diagnostic Trouble Code U150F set. Technician will need to inspect circuit 7527 for damage if the Diagnostic Trouble Code is current.
• 10056258Jul 1, 2014Fuel system. Gmc/chevrolet: at bottom of flywheel housing, a leak is found, causing a fuel odor, due to high pressure pump to high pressure line fitting or fuel rail connection. 2010-2015 express, sierra, savana, silverado.
• 10061378May 29, 2014Equipment. Summary to be provided on a future date.
• 10061382May 28, 2014Equipment. Summary to be provided on a future date.
• 10061374May 23, 2014Equipment. Summary to be provided on a future date.
• 10061373May 22, 2014Equipment. Summary to be provided on a future date.
• 10112072May 16, 2014Transmission and drivetrain, Equipment. This Preliminary Information communication provides information to the technician about vehicles with a crankshaft balancer appears to be out of balance or wobbling while watching it with the engine running. Technician will need to check crankshaft balancer run out. If the balancer run out is greater than 0.25mm the crankshaft balancer will need to be replaced.
• 10112069May 14, 2014Engine, Engine cooling. This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on at low mileage. Technician may find Diagnostic Trouble Codes P0420 and or P0430 stored. Technician should be advised that the catalytic converter efficiency Diagnostic Trouble Codes P0420 and P0430 are disabled for the first…
• 10112057May 6, 2014Equipment. This Preliminary Information communication provides information to the technician about vehicles that the radio display does not always return to the previous source screen when a Bluetooth call has ended. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle.
• 10112055May 6, 2014Brakes, Transmission and drivetrain. This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages "Brake Pedal Override Feature", transmission busy or frequent shifting up or down. Technician will use this preliminary information to find the brake pedal position data parameters…
• 10112054May 5, 2014Electrical system, Equipment. This Preliminary Information communication provides information to the technician the steps to diagnose and repair the concern of the display is showing 32° F (0° C) after a battery or reprogramming a module. The outside temperature will begin to update if driven above 20 mph for at least 5 minutes. If the vehicle speed drops below 20 mph, the timer will reset and the display will stop updating.
• 10112048May 2, 2014Equipment. This Preliminary Information communication provides information to the technician about vehicles that have a touchscreen that is inaccurate or that the display does not seem to respond with the desired operation when pressed. Technician will need to perform a touch screen calibration and re-evaluate the concern.
• 10055858Apr 1, 2014Electrical system, Body and structure. Chevrolet/gmc: on some trucks, trouble locating the two blunt cut wires, for roof beacon light, which is directly above overhead console and taped to harness. Model 2014-2015 silverado, silverado 1500, sierra, sierra 1500.
• 10112042Jan 30, 2014Other or unknown, Seat belts. This Preliminary Information communication advises the technician that the Rear Safety Belt Child Comfort Guide Kits are available from Customer Care and Aftersales parts as part number 20944862.
• 10112034Jan 28, 2014Body and structure. This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.
• 10112028Jan 24, 2014Brakes. This Preliminary Information communication advises the technician that there is a new DOT 3 brake fluid for the 2014 Silverado and Sierra 1500. Technician can order the new DOT 3 brake fluid from their parts department.
• 10112022Jan 23, 2014Engine, Electrical 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.
• 10112011Jan 21, 2014Transmission and drivetrain. This Preliminary Information communication advises the technician that the Allison 6 Speed Automatic Transmission Assembly (RPO MW7) have been placed on restriction through General Motors Product Quality Center. Dealer will need to contact General Motors Product Quality Center for further assistance.
• 10112328Dec 23, 2013Equipment. This Preliminary Information communication provides information to the technician about vehicles that may have a clock that is slow to update while driving when the clock auto set feature enabled. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle.

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