2018 GMC Sierra 2500 Technical Service Bulletins

1,119 technical service bulletins (TSBs) are on record for the 2018 GMC Sierra 2500. 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.

• 10154605Dec 17, 2018Suspension. This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer?s vehicles that exhibit vibration conditions without utilizing the support of General Motors Technical Assistance Center.
• 10154604Dec 17, 2018Engine cooling. This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency…
• 10154601Dec 17, 2018Body 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.
• 10154599Dec 17, 2018Electrical system. This Preliminary Information communication provides information to the technician about the Upfitters questions about installing aftermarket electrical accessories. Dealer should reference the latest version of General Motors Upfitter Integration Bulletin 115 for this information. It can be found at http://www.gmupfitter.com.
• 10154975Dec 14, 2018Transmission and drivetrain, Equipment. This warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow test.
• 10155009Dec 13, 2018Exterior lighting. This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines.
• 10154583Dec 13, 2018Brakes. This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston installation. This grease can be cleaned off and the rest of the service completed.
• 10154581Dec 13, 2018Engine 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.
• 10154577Dec 11, 2018Engine cooling. This Preliminary information communicates to the dealer additional information on checking for the engne crankcase being overfull on oil causing an engine vibration concern. The technician is advised to inspect for contaminnants and adjust the engine oil level as needed.
• 10155013Dec 10, 2018Exterior lighting. 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.
• 10154566Dec 6, 2018Engine cooling. This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.
• 10155012Dec 5, 2018Equipment, Seats. This informational bulletin provides information for information on passenger presence sensing system (PPS or PSS) concerns with custom upholstery, accessory seat heaters or other comfort enhancing devices.
• 10155011Dec 5, 2018Electrical system. This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module.
• 10155008Dec 5, 2018Tires. This warranty administration bulletin provides information on The tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty.
• 10154561Dec 4, 2018Engine cooling. This Preliminary information communicates to dealer technicians to refer to service update bulletin N182179090 for 2018 model vehicles and to use labor operation 4029959 Emissions - Customer Concern Not Duplicated (CCND) for 2017 model year vehicles with DTC P140B setting.
• 10154559Dec 4, 2018Engine cooling. This Preliminary information communicates to dealer technicians to refer to service update bulletin N182179090 for 2018 model vehicles and to use labor operation 4029959 Emissions - Customer Concern Not Duplicated (CCND) for 2017 model year vehicles with DTC P140B setting.
• 10154991Dec 3, 2018Visibility (wipers, defrost, mirrors), Lane departure. This technical bulletin provides a procedure to replace the side mirror cameras if found the cause of the reduced key fob range.
• 10154552Dec 3, 2018Engine cooling. This preliminary information document communicates a tip on the way to diagnose possible induction or exhaust air leaks using the evaporative emission cart smoke machine and ultrasonic leak detector tools.
• 10151869Nov 21, 2018Equipment. This Preliminary Information communication provides information to the technician about what XM offerings are available for vehicles. A dealer or customer can access the website listed below for vehicle specific XM offerings and availability.
• 10212574Nov 14, 2018Fuel system, Engine cooling. Service Update. Certain vehicles may have one or multiple DTCs that are incorrectly illuminating the service engine soon (SES) light. Hardware including fuel injectors and exhaust gas recirculation (EGR) valves may have been used to fix this issue, however, the condition could return after these repairs were made. There is no effect for vehicle performance.
• 10155101Nov 5, 2018Equipment. This bulletin provides information for use on a Product Assistance Claim (PAC), which is formally known as a Product Allegation Resolution (PAR) claim.
• 10147401Oct 23, 2018Equipment. This Preliminary information communicates
• 10147391Oct 19, 2018Equipment. This Preliminary information communicates normal radio display operation when shifting into reverse. Per FMVSS 111 an image must be displayed when shifted into reverse even when a vehicle is not equipped with a backup camera.
• 10147373Oct 12, 2018Steering. This Preliminary information communicates information on ahydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. The noise is most noticeable in the cab at idle, in park, with all accessories turned off.
• 10147367Oct 10, 2018Equipment. This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
• 10147348Oct 3, 2018Fuel system. This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation.
• 10145478Sep 12, 2018Transmission and drivetrain. This Preliminary Information communication provides information to the technician about vehicles that have not engagement into drive, delayed, no engagement into reverse, and or a range inhibit. Technician may find Diagnostic Trouble Codes P0701, P0731, P0732, P0733, P0734, P0736, P0751, P0756, P0761, P0776, P0843, P0848, P0873, P0877, P0894 or P2723. Technician should follow published Service Information…
• 10144476Aug 28, 2018Equipment. This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
• 10187431Aug 8, 2018Equipment. This technical bulletin provides a procedure to replace the dehydrator to correct the condition of A/C Inoperative and/or Insufficient Cooling due to the seals going bad within the part.
• 10186122Aug 8, 2018Equipment. This technical bulletin provides a procedure to replace the dehydrator to correct the condition of A/C Inoperative and/or Insufficient Cooling due to the seals going bad within the part.
• 10144451Aug 8, 2018Engine. This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or blow by. Technician will need to inspect the engine for Cylinder damage or scoring, An out of round cylinder bore, Dirt intrusion, and Catalytic Converter failure.
• 10143758Jul 9, 2018Equipment. This Preliminary Information communication provides information to the technician on how to tell the difference between the integrated center stack, the radio, the human machine interface, and the vehicle communication interface module. There are pictures of all the individual modules for identification purposes.
• 10143752Jul 3, 2018Visibility (wipers, defrost, mirrors). This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
• 10143449Jun 20, 2018Equipment. This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
• 10143443Jun 14, 2018Equipment. This Preliminary Information communication provides information to the technician about vehicles that may have an issue when using Bluetooth voice recognition with an iPhone. Technician should work with the customer to insure the phone contacts to not have any Emojis loaded to any contact.
• 10143429Jun 11, 2018Engine, Electrical system. This Preliminary Information communication provides the technician with steps on how to program an Engine Control Module when getting a Service Programming System error code E4491 or E4423. In some cases Techline Customer Support Center may need to be contacted to resolve the issue.
• 10141372May 24, 2018Brakes, Electrical system. This Preliminary Information communication provides information to the technician about vehicles that may have a diagnostic trouble code U0159 set in the instrument panel cluster and/or the body control module. For vehicles equipped with Ultrasonic Park Assist System Regular Production Option Code UD5 or UD7 technician will use Service Programming System to reprogram the Parking Assist Control Module to correct…
• 10141371May 23, 2018Equipment, Electrical system. This Preliminary Information communication provides information to the technician about connectivity concerns when connecting an Apple device via USB cord. Technician should insure the customer is using an original equipment manufacturer Apple USB cable.
• 10141369May 22, 2018Tires. This Preliminary Information communication advises the technician this vibration or growl noise can be difficult to diagnose and using the Pico Scope is recommended for diagnosing this concern. Customers has vibration or growl noise between 45-65 Miles-per-hour.
• 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.
• 10137599Apr 27, 2018Equipment. This informational bulletin provides information on Audio Volume Stuck High or Low with No DTCs and that this is a normal characteristic.
• 10137598Apr 26, 2018Electrical system, Equipment. This technical bulletin provides a procedure to replace the HMI module to correct a condition of Radio Control (ICS) Display Does Not Remain Off at Times after it Has Been Turned Off in the Radio Settings Menu due to a software concern.
• 10137595Apr 26, 2018Equipment. This technical bulletin provides a procedure to test the radios receiver if certain XM channels cut out (mutes) depending on location of the vehicle.
• 10137597Apr 25, 2018Fuel system. This Bulletin provides information for rebuilding fuel injectors in the event of an underhood fuel odor and/or extended cranking condition.
• 10137559Apr 25, 2018Equipment. This bulletin provides information on approved warranty part numbers for original equipment batteries.
• 10137556Apr 20, 2018Electrical system. This informational bulletin explains to the dealer how to cover a possible customers mistake when a fuse has been blown.
• 10137589Apr 19, 2018Engine cooling. This informational bulletin provides information for engine oil life monitor operation calculation.
• 10137577Apr 19, 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.
• 10137570Apr 18, 2018Back-over prevention (rear camera). This Technical bulletin provides information on new software to correct the rear camera display being too bright.
• 10137562Apr 13, 2018Visibility (wipers, defrost, mirrors). This PI bulletin provides information on Rear and Side Tempered Glass Spots (Quench Marks) and they are normal characteristic.

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