2018 GMC Sierra 3500Service bulletins

2018 GMC Sierra 3500 Technical Service Bulletins

755 technical service bulletins (TSBs) are on record for the 2018 GMC Sierra 3500. 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.

10143767Jul 18, 2018Equipment. This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection dropped, the radio station or volume changes when operating the snow plow. Please advise the customer that engineering is aware of this concern and working on this issue.
10143757Jul 9, 2018Transmission and drivetrain. This Preliminary information communicates to the dealer technician thatLight Duty Trucks equipped with automatic transmissions and 4 wheel drive may exhibit a condition of grinding/ratcheting type noise when shifting the automatic transmission into park while the transfer case is in 4 wheel drive low (4LO) range. Dealers technician's are advised this condition should be deemed a normal characteristic of 4WD low…
10143756Jul 6, 2018Lane departure. This Preliminary Information communication provides information to the technician about vehicles thatmay have Service Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Technician may find Diagnostic Trouble Code B1008 Sym 4B set. Technician will need to check the windshield to ensure it is not aftermarket. Technician will also check for anything that may impair the front view…
10143458Jun 26, 2018Fuel system, Equipment. This Preliminary information communicates to the dealer technicians that injector timing related DTCs are being investigated and to not replace injectors for DTCs.
10143456Jun 26, 2018Equipment, Electrical system. 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.
10143448Jun 19, 2018Engine cooling, Fuel system. This Preliminary Information communication provides information to the technician that some vehicle may have an “Exhaust Fluid Quality Poor” on the Driver Information Center or a diesel exhaust fluid warning lamp on or other exhaust fluid quality related concerns. Technician will inspect the diesel exhaust fluid for contamination.
10143741Jun 18, 2018Brakes. 18187 - Customer Satisfaction Program. Certain vehicles may have been built with a BAS (Brake Apply Sensor) pin that was installed incorrectly which may enable the pin to come loose. If the pin comes loose, the power brake system would function as normal, however Check Engine and TCS (Traction Control System) tell-tales would illuminate and Service Stabilitrac and Service Trailer Braking System messages will be…
10143447Jun 18, 2018Fuel system, Engine cooling. This Preliminary Information communication provides information to the technician about vehicles that may have a hard start, no start, rough running, or low fuel pressure. Technician may find Diagnostic Trouble Codes P0087, P0088, P0191 and P128E during the inspection. If during the inspection of the fuel system contamination is found the complete fuel system will need to be cleaned and flushed. After the fuel…
10143444Jun 15, 2018Transmission and drivetrain. This Preliminary Information communication advises the technician that the Product Quality Center has ended the part restriction for the T87A Transmission Control Module.
10143439Jun 12, 2018Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Codes P0340 and P0341 setting at times. Technician should use normal published Service Information diagnostics. If normal Service Information diagnostics does not isolate the concern, inspect for corrosion in connector…
10143433Jun 12, 2018Air bags, Steering, Transmission and drivetrain, Suspension, Other or unknown…. This Preliminary Information communication provides information to the technician about vehicle with Service ABS and/or Traction control lights/message on, Service Power Steering System, Service Suspension System, and or Loss of communication with EBCM, SWPS, PSCM, and/or SCM. Technician may find Diagnostic Trouble Codes U0077, U0121, U0126, U0131, U0139, U0401, U0415, and/or U0428. Technician should remove the…
10143427Jun 8, 2018Equipment. This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, and displays are placed on restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
10143733May 30, 2018Equipment, Engine cooling. 18185 - Service Update - In certain vehicles, the concentration of dex-cool coolant to water may be too high and may cause degradation of cooling performance. The driver may see a DIC message at 125 degrees Celsius that the air-conditioning is disabled for engine coolant temperature (ECT), and at 128 degrees Celsius, another DIC message is displayed for Engine Overheated Idle Engine. Dealers are to drain specified…
10143421May 30, 2018Engine cooling, Equipment. 18185 - Service Update - In certain vehicles, the concentration of dex-cool coolant to water may be too high and may cause degradation of cooling performance. The driver may see a DIC message at 125 degrees Celsius that the air-conditioning is disabled for engine coolant temperature (ECT), and at 128 degrees Celsius, another DIC message is displayed for Engine Overheated Idle Engine. Dealers are to drain specified…
10141368May 22, 2018Equipment, Other or unknown. This Preliminary Information communication provides information to the technician about vehicles that have a Shudder, bounce, bucking from the rear of the truck while braking when towing a gooseneck or fifth wheel trailer. Technician will need to measure the actual truck and trailer weights, with the trailer loaded to the point that exhibits the condition.
10137530Apr 30, 2018Engine cooling, Electrical system. This Preliminary Information communication advises the technician that the Technical Assistance Center TAC has a part restriction for the hybrid/EV battery Pack, Hybrid/EV Powertrain Control Module (HPCM2), High Voltage Battery Interface Control Module 1 and 2, Drive Motor Generator Battery Cooling Blower. The dealer technician is advised to call the GMTechnical AssistanceCenter for further assistance
10137526Apr 27, 2018Exterior lighting. This Preliminary Information communicates to techniciansthat the Daytime Running Lamps (DRL's) or the auto headlamps will not shut off when using the daytime running lamp disable switch (Which is part of the headlamp switch), if the vehicles was built for Canada (RPO Z49). These vehicles were built with different software that doesn't allow the DRL's or Auto headlamp to be shut off. Canada law prohibits…
10137525Apr 27, 2018Equipment. This Preliminary information communicates that GM engineering is investigating the root cause of DTC P140B setting.
10137522Apr 27, 2018Electrical system. This Preliminary Information communication advises the technician that the Technical Assistance Center TAC has a part restriction for theGenerator Control Module (GCM). The dealer technician is advised to call the GMTechnical AssistanceCenter for further assistance
10137521Apr 27, 2018Engine cooling, Transmission and drivetrain, Fuel system, Electrical system. This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that have remote start is inoperative, power lift gate Regular Production Option Code (TB5) is inoperative with the ignition off, Crank no start, Start and Stall, and vehicles equipped with the diesel engine, the blower motor may stay on after the engine is turned off. Technician may find…
10137513Apr 20, 2018Equipment. This Preliminary Information communication provides information to the technician about vehicles that when a phone does not charge properly or charging cycles is on and off rapidly when connected to the single port USB hub of the vehicle.
10137512Apr 20, 2018Electrical system, Fuel system. This Preliminary Information communication advises the technician that the 6.6L Diesel engine Regular Production Option Code (L5P) E41Engine Control Module part number 12683624 restriction has ended.
10137495Apr 10, 2018Equipment. This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, and displays are placed on restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
10137492Apr 9, 2018Equipment. This Preliminary Information communication provides information to the technician about vehicles that when a phone does not charge properly or charging cycles is on and off rapidly when connected to the single port USB hub of the vehicle.
10137489Apr 5, 2018Fuel system. This Preliminary information communicates to dealer technicians a repair direction for a whine or siren type noise coming from the in tank fuel pump in cold weather areas due to possible diesel fuel waxing or gelling issues.
10137205Mar 27, 2018Steering, Equipment, Engine, Suspension. This Preliminary information communicates a customer concern ofIPC gauges inoperative or fluctuate, No Start,No Crank,SIR Light / Service Airbag Message, Service Suspension Message,Radio display blank, Steering Wheel Controls (SWC) not illuminated, Turn Signal no audible feedback,HVAC controls inoperative.
10137203Mar 27, 2018Fuel system, Engine. This Preliminary Information communication provides information to the technician about vehicles that have extended or long crank time during cold ambient air temperatures. Direct Injection systems run at higher pressures, and the mechanical pump on the engine must build up the required pressure before the first injection event occurs. Direct Injection engines may have slightly longer cold crank times than that of…
10137202Mar 27, 2018Electrical system. This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer needle accuracy is +/- 2 MPH at any given speed when looking straight at the needle.
10137201Mar 26, 2018Electrical system. This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have an intermittent "Check Trailer Wiring" or "Service Trailer Brake" message on the Driver Information Center. Technician will inspect and clean the ground wire (normally white wire) connection on the trailer side of the 7-pin connector. Inspect that the wires inside the trailer…
10137192Mar 20, 2018Engine, Electrical system. This Preliminary information communicates to the dealer technicain a concern with the GPCM service parts(12687698 and 12671083) for 2017 – 2018 vehicles with the 6.6 L5P diesel.
10137188Mar 15, 2018Engine. This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that have a no crank or a start and then immediate stall, Service Engine Soon Malfunction Indicator lamp may not be on when the ignition is in the run position. Technician may find Diagnostic Trouble Codes P0513 and or P262B may also be set. Technician will pulled the driver sill plate and…
10137183Mar 13, 2018Equipment. This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, and displays are placed on restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
10137182Mar 12, 2018Engine cooling. This Preliminary Information communication provides information to the technician of a complaint of a sag or hesitation when accelerating. The concern is present when coasting at low speeds of less than 15 miles per hour and then aggressively applying the throttle, or after making a hard stop followed by an aggressive throttle.
10137167Mar 1, 2018Electrical system. This Preliminary Information communication provides information to the technician that a customer may request the factory Integrated Trailer Brake Control be bypassed and their aftermarket trailer brake controller be installed instead. Technician will need to gain access to the body harness. Install trailer brake controller harness General Motors part number 23184088 into Middle Bus Electrical Center (X61A).
10129889Feb 13, 2018Body and structure. This Preliminary Information communication provides information to the technician about vehicles that have a lean to the left or right. Technician will need to measure fender wheel-opening heights, front and rear, to quantify vehicle lean. Fender wheel-opening heights are related to, but distinct from, trim height. The front wheel-opening height is known as P height, and the rear wheel-opening height is known as R…
10129887Feb 13, 2018Body and structure. This Preliminary information communicates to dealer technicians that snow and ice build up is possible if the air filter box is not properly sealed. Aftermarket bumpers may also allow water intrusion.
10129881Feb 9, 2018Back-over prevention (rear camera). This Preliminary information communicates repair information for therear vision camera or surround vision camera image being: - Yellow - Blurry -Distorted - Image scrolling - Image with NO gridlines - Screen is blue with gridlines - Screen is blue with Service Rear Vision System message
10129880Feb 9, 2018Equipment. This Preliminary information communicatesOperational Tips/Support For GM Accessory Three Camera Trailering System Package By EchoMaster.
10129879Feb 9, 2018Equipment. This Preliminary Information communication advises the technician that some vehicles may have a dim Driver Information Center when the interior of the vehicle is hot from a sun load or extended heater operation. The Driver Information Center is designed to dim with high temperature exposure. This is done to protect the Driver Information Center from damage.
10129878Feb 9, 2018Suspension. This Preliminary Information communication provides information to the technician on the steps to help diagnose and repair vehicles with a rattle, squeak, clunk, thump, or bump. If published Service Information diagnostics do not lead to a repair for the concern. Technician should inspect the opposite side shock/strut for the cause of the concern.
10129877Feb 9, 2018Suspension, Electrical system. This Preliminary Information communication provides information to the technician with the correct way to remove the front shock electrical connector terminals. Technician will need to slightly bend the end of the J-38125-12A release tool. There is a purple Terminal Position Assurance that will align itself in the release position when the release tool is inserted into the release hole.
10129873Feb 8, 2018Fuel 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.
10129862Feb 6, 2018Equipment. 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.
10129857Feb 5, 2018Electrical 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.
10129856Feb 2, 2018Electrical system. This Preliminary information communicatesThe vehicle may have an ses lamp with any of the following DTC P06DA, P06DB, P06DC, P06B6, P06B7, P250A, P0300, P0340, P0341, P0335, P0336, P0641, P0011, P0010, P2088, P2089, and/or P2230. Possible crank no start or a stall. possible wiring jumper harness chaffed at the bolt at the X154 connector on lower left side of the frount cover.
10129097Jan 25, 2018Engine. This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Only replace the roller rocker that is missing needle bearings. Be sure to clean the oil drains to retrieve the needle bearings. Each roller rocker has 66 bearings.
10129093Jan 24, 2018Exterior lighting. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Technician may find Diagnostic Trouble Codes P0300-P0308.
10129089Jan 23, 2018Wheels. This 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.
10129088Jan 23, 2018Brakes. This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.
10129082Jan 19, 2018Fuel system, Steering, Lane departure, Transmission and drivetrain, Electronic…. This Preliminary Information communication provides information to the technician with additional information on the functionality of Lane Keep Assist.Starting with2016 model year Lane Keep Assist Regular Production Option Code (UHX) replaced Lane Departure Warning Regular Production Option Code (UFL). Lane Keep Assist is designed to assist the driver in keeping the vehicle from drifting out of a driving lane that…

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About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.