2018 GMC Sierra Denali Technical Service Bulletins

948 technical service bulletins (TSBs) are on record for the 2018 GMC Sierra Denali. 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.

• 10137411Mar 2, 2018Wheels, Tires, Body and structure. This preliminary bulletin provides additional guidance for diagnosing vibrations or disturbances that may occur on full size pickups and how to correct and repair.
• 10137297Mar 1, 2018Wheels, Brakes. This informational bulletin provides information for cleaning brake dust off of aluminum or chrome wheels.
• 10137375Feb 28, 2018Electrical system. This technical bulletin provides a procedure to properly reprogram an onstar module to correct a condition of Red LED, No WiFi Operation, and/or Limited OnStar® Module Functionality After OnStar Module Replacement for Another Condition.
• 10135167Feb 28, 2018Fuel system. 18026 - Emissions Recall. General Motors has decided to conduct a Voluntary Emission Recall on certain vehicles equipped with a 6.0L gasoline (L96) engine and dual fuel tanks (N2N). There is a potential that the rear fuel tank inlet check valve may have been damaged during vehicle assembly. If this condition exists it may be possible for fuel or fuel vapor to leak at the connection of the fuel filler hose to the…
• 10137343Feb 27, 2018Engine. This informational bulletin provides a revision for 09-06-04-015B (Vehicles Sitting Outside on Dealer Lots for Extended Periods with Hard Start/No Start Condition) to add the 2015-2018 model years.
• 10137283Feb 27, 2018Engine, Transmission and drivetrain. This Bulletin provides guidelines 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.
• 10137344Feb 15, 2018Electrical system, Engine. This informational bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2 9U.S. and Canada
• 10137374Feb 14, 2018Equipment, Body and structure, Electrical system. This technical bulletin provides repair information to correct customer concerns of OnStar, XM, GPS or antenna malfunction ? may set DTC B2462, B2470 or B125C - and/or water leak on headliner at sun visor or overhead console areas, possible battery drain concern.
• 10137345Feb 13, 2018Equipment. This warranty administration bulletin provides information on Dealer Empowerment Labor Operations and Customer Enthusiasm.
• 10137323Feb 7, 2018Electrical system. This technical bulletin provides a procedure to reprogram the memory set module to correct a condition of Personalization Selections Intermittently Missing from Comfort and Convenience Menu due to a calibration concern.
• 10137347Feb 6, 2018Equipment. This preliminary information bulletin provides a procedure for installing a aftermarket tool or utility box.
• 10137321Feb 5, 2018Engine, Electrical system. This Bulletin provides ECM reprogramming information to Correct DTC P2101.
• 10137342Feb 2, 2018Equipment, Electrical system. This informational bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed.
• 10137341Feb 1, 2018Electrical system, Equipment. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
• 10139283Jan 31, 2018Electrical system, Equipment. This informational bulletin provides information on approved warranty part numbers for original equipment batteries
• 10139279Jan 31, 2018Engine cooling. This informational bulletin explains how the catalytic converters may need an inspection, cleaning or replacement if debris have entered the exhaust system.
• 10139282Jan 29, 2018Electrical system. This informational bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
• 10139262Jan 29, 2018Transmission and drivetrain. This engineering informational bulletin is requesting information from the field on vehicles that have the condition of a Torque Converter Shudder.
• 10137162Jan 29, 2018Wheels. 17456 - Customer Satisfaction Program. Certain vehicles may have a condition in which the rear wheel hub nut could become loose due to the rear wheel hub nut retainer not being formed properly. If the hub nut loosens, the StabiliTrak message may be displayed in the driver information center (DIC) and the traction control indicator may illuminate, axle fluid may leak from the axle seal area, and rear axle housing…
• 10139272Jan 26, 2018Equipment. This informational bulletin provides information retaining to the fact that Service Manuals will now be available on USB.
• 10137268Jan 26, 2018Fuel system. This technical bulletin provides a procedure to replace the fuel tank and internal parts if found expanding and contacting the drive shaft.
• 10139245Jan 25, 2018Engine cooling. The technical bulletin provides a procedure for inspecting and performing a cooling system purge if the cooling system has been found low on coolant.
• 10139258Jan 22, 2018Electrical system. This technical bulletin provides a procedure to reprogram the instrument panel to correct a condition of Instrument Cluster Goes Blank or Tell Tale Indicators Remain On due to a software issue.
• 10137159Jan 22, 2018Engine cooling. 17337 02 Phase 3 - Product Emission. General Motors has decided to conduct a Voluntary Emission Recall involving certain vehicles, equipped with a diesel engine. The engine control module in these vehicles may not properly diagnose a fault in the exhaust particulate matter sensor.
• 10139281Jan 19, 2018Equipment. xxzvfrdg
• 10139280Jan 17, 2018Visibility (wipers, defrost, mirrors). This warranty bulletin explains how to determine if an outside mirrior was damaged by the customer and what is considered warranty and non-warranty.
• 10139250Jan 16, 2018Electrical system. This technical bulletin provides a procedure to replace the trans control solenoid assembly if found the cause of the vehicle unable to crank the engine over.
• 10139284Jan 12, 2018Engine cooling. This preliminary informational bulletin provides information on Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center.
• 10139277Jan 12, 2018Equipment. This information bulletin provides a procedure on how to remove the paint stain that may present itself under the shipping film.
• 10137270Jan 11, 2018Fuel system, Equipment. 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.
• 10137269Jan 9, 2018Transmission and drivetrain. This informational bulletin provides information on Click or Tick Noise on 3-4 Shift that it should be considered a normal characteristic.
• 10139278Jan 8, 2018Electrical system, Transmission and drivetrain, Visibility (wipers, defrost…. This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated.
• 10139276Jan 4, 2018Tires. This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (Base Warranty Coverage). For vehicles within this warranty period, defective tires will be replaced on a pro rata adjustment basis according to the published distance-based schedule.
• 10137274Jan 4, 2018Exterior lighting. This informational bulletin explains normal operation of HID bulbs when driving over road irregularities.
• 10139225Dec 22, 2017Equipment, Electrical system. This informational bulletin provides information and Tips for Customers Having Difficulty Launching Android Auto or Apple CarPlay.
• 10139209Dec 21, 2017Fuel system. This informational 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.
• 10139216Dec 15, 2017Visibility (wipers, defrost, mirrors). This Bulletin provides procedures to correct a condition of Power Foldaway Mirror Glass Shake, Flutter at Normal Driving Speeds
• 10139208Dec 15, 2017Equipment. This warranty administration bulletin provide policy information on required operating procedures.
• 10139218Dec 13, 2017Transmission and drivetrain. This technical bulletin provides a procedure to flush and drain fluids for the transmission to eliminate a shake and/or shudder during a light throttle acceleration between 40 and 128 KM/H (25 and 80 MPH) at a steady state.
• 10130541Dec 13, 2017Back-over prevention (rear camera). 17447 - Service Update -.Some vehicles without a rear camera were produced with the calibration for a rear camera. The infotainment screen attempts to display an image that does not exist (dark screen). Reprogram the radio with the intended calibration for rear camera delete.
• 10139184Dec 12, 2017Engine cooling. This technical bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL on.
• 10139179Dec 12, 2017Transmission 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.
• 10130540Dec 12, 2017Fuel system, Electrical system. 17337 01 Phase 2 - Product Emission. General Motors has decided to conduct a Voluntary Emission Recall involving certain vehicles, equipped with a diesel engine. The engine control module in these vehicles may not properly diagnose a fault in the exhaust particulate matter sensor.
• 10139235Dec 11, 2017Hybrid propulsion system. This technical bulletin provides a procedure to diagnose and repair possible valve body issue or software issue.
• 10139212Dec 11, 2017Equipment. This warranty administration bulletin provide policy information for courtesy transportation and roadside assistance programs.
• 10139182Dec 11, 2017Steering. 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.
• 10139232Dec 8, 2017Engine cooling. This informational bulletin explains how to check the NOx Catalyst Reductant-Load Adaptive Values using GSD2.
• 10139231Dec 8, 2017Body and structure. This technical bulletin provides repair information to correct a customer concern of a rattling noise coming from the rear passenger side floor of the cab.
• 10139185Dec 7, 2017Electrical system. This informational bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
• 10139181Dec 7, 2017Equipment. This informational bulletin provides information on dealer responsibility for cargo carrying capacity labeling and the part numbers for the labels.

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