2019 GMC Sierra 1500 Technical Service Bulletins

1,754 technical service bulletins (TSBs) are on record for the 2019 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.

• 10155007Jan 10, 2019Electrical system. This technical bulletin provides a procedure to locate and repair a possible short in the 5294 circuit and correct the customers concern.
• 10154259Jan 9, 2019Steering. N182190821 - Customer Satisfaction Program. Certain vehicles, may have a condition where the power steering belt may slip due to tooth wear-out or poor belt tooth-to-gear tooth fit. Power steering assist may be reduced or lost intermittently, if early warning signs are ignored. Early warnings may include a ?Steering Assist is Reduced? message, audible clicking/squealing sounds, or a change in steering effort…
• 10154258Jan 7, 2019Steering. N182190820 - Customer Satisfaction Program. Certain vehicles, may have a condition where the power steering belt may slip due to tooth wear-out or poor belt tooth-to-gear tooth fit. Power steering assist may be reduced or lost intermittently, if early warning signs are ignored. Early warnings may include a ?Steering Assist is Reduced? message, audible clicking / squealing sounds, or a change in steering effort…
• 10154617Dec 28, 2018Steering. This Preliminary information communicates a repair procedure for a squeak/squawk type noise coming from the lower column/drivers footwell area when turning. It explains how to properly lubricate the column shaft boot where the shaft interacts with the boot where it passes through the boot.
• 10207993Dec 27, 2018Fuel system, Exterior lighting. Service Update. Certain vehicles may have a condition where some capacitors used on the purge pump printed circuit board (PCB), may have unknown performance. These suspect capacitors are used in multiple locations on the PCB. Depending on which capacitors fail, the purge pump may not operate as intended and a malfunction indicator lamp (MIL) may illuminate. Dealers are to replace the evaporative emission purge pump.
• 10207702Dec 27, 2018Fuel system, Equipment, Electrical system. Service Update. Certain vehicles may have a condition where some capacitors used on the purge pump printed circuit board (PCB), may have unknown performance. These suspect capacitors are used in multiple locations on the PCB. Depending on which capacitors fail, the purge pump may not operate as intended and a malfunction indicator lamp (MIL) may illuminate. Dealers are to replace the evaporative emission purge pump.
• 10208005Dec 21, 2018Transmission and drivetrain. Service Update. In certain vehicles, the park assist may be inoperable and the customer does not have the ability to turn the feature on or off. Dealers will reset the park assist feature and then clear all codes.
• 10208004Dec 21, 2018Electrical system, Air bags. Service Update. In certain vehicles, the customer may witness a service engine soon light and the vehicle?s dynamic fuel management (DFM) may become inactive and stay in V8 operating mode. Reprogram the Engine Control Module (ECM).
• 10208003Dec 21, 2018Electrical system, Wheels, Steering. Service Update. In some vehicles the I/P cluster (display area only) may reset, or go blank for approximately three seconds. During this time, the heads-up display and steering wheel controls if equipped will also be inoperable. After the reset occurs, the graphics and previous information displayed will return. Reprogram the I/P Cluster module with an updated calibration.
• 10207714Dec 21, 2018Electrical system. Service Update. In certain vehicles, the park assist may be inoperable and the customer does not have the ability to turn the feature on or off. Dealers will reset the park assist feature and then clear all codes.
• 10207713Dec 21, 2018Electrical system. Service Update. In certain vehicles, the customer may witness a service engine soon light and the vehicle?s dynamic fuel management (DFM) may become inactive and stay in V8 operating mode. Reprogram the Engine Control Module (ECM).
• 10207712Dec 21, 2018Steering, Electrical system. Service Update. In some vehicles the I/P cluster (display area only) may reset, or go blank for approximately three seconds. During this time, the heads-up display and steering wheel controls if equipped will also be inoperable. After the reset occurs, the graphics and previous information displayed will return. Reprogram the I/P Cluster module with an updated calibration.
• 10155010Dec 21, 2018Equipment. This warranty bulletin provides labor operation numbers for customer concerns Not duplicated (CCND).
• 10154610Dec 19, 2018Brakes. This Preliminary information communicates an issues with a Service Brake Assist Message With DTC C05B0 and/or C058E and that engineering released updated calibrations to correct the issue.
• 10155003Dec 17, 2018Seats. This technical bulletin provides repair information to correct a customer concern of front seat lateral movement and/or click type noise while driving.
• 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.
• 10155002Dec 14, 2018Electrical system, Equipment. This bulletin provides service procedure information for dealers/technicians on Radio Software Version V509 Over-the-Air Update.
• 10154975Dec 14, 2018Transmission and drivetrain, Equipment. This warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow test.
• 10154596Dec 14, 2018Steering. This Preliminary information communicates and issue with a Service Power Steering Message DTC C144B or Clunk Noise At Full Steering Lock Turns AFTER Installation Of Accessory Lift Kit. GM Engineering is working on updated calibrations for the power steering control module to correct these issues.
• 10155014Dec 13, 2018Equipment. This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC).
• 10155009Dec 13, 2018Exterior lighting. This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines.
• 10154590Dec 13, 2018Steering. This Preliminary information communicates a color difference between the upper control arms due to a change in the casting release agent.
• 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.
• 10154996Dec 12, 2018Brakes, Electrical system. This technical bulletin provides a procedure to reset the parking assist module if the parking assist message is on when delivered to the dealership.
• 10207991Dec 11, 2018Transmission and drivetrain, Electrical system. Service Update. Certain vehicles equipped with a 10-speed transmission may have a condition where the downshift becomes firm after extended highway driving. Recalibrate the transmission control module (TCM).
• 10207700Dec 11, 2018Transmission and drivetrain, Electrical system. Service Update. Certain vehicles equipped with a 10-speed transmission may have a condition where the downshift becomes firm after extended highway driving. Recalibrate the transmission control module (TCM).
• 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.
• 10155019Dec 10, 2018Body and structure, Equipment, Exterior lighting. This engineering informational bulletin is requesting information on product issue with the door weather strip, door body fit, and/or rear tail lamp moisture.
• 10154569Dec 7, 2018Steering. This Preliminary information communicates and issue with a Service Power Steering Message DTC C144B or Clunk Noise At Full Steering Lock Turns AFTER Installation Of Accessory Lift Kit. GM Engineering is working on updated calibrations for the power steering control module to correct these issues.
• 10154567Dec 6, 2018Engine cooling. This Preliminary information communicates A vehicle may have a humming, whining or whistle noise from engine bellhousing area. This could be caused by a restriction in the PCV system
• 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.
• 10154978Dec 4, 2018Steering, Equipment. This informational bulletin provides information for the customer to pair their phone in order for the push to talk button on the steering wheel control to work.
• 10154563Dec 4, 2018Engine cooling. This Preliminary information communicates A vehicle may have a humming, whining or whistle noise from engine bellhousing area. This could be caused by a restriction in the PCV system
• 10207999Dec 3, 2018Body and structure, Transmission and drivetrain, Electrical system, Exterior…. Service Update. On a small number of the vehicles identified above, the electrical connector to the transmission valve body solenoids may not be fully seated. DTC P2718 or P2720 may set resulting in the Check Engine indicator illuminating, and the transmission reverting to a ?limp home? mode providing limited forward gear selection. Dealers are to access the transmission valve body solenoids and fully seat the…
• 10207708Dec 3, 2018Electrical system, Transmission and drivetrain. Service Update. On a small number of the vehicles identified above, the electrical connector to the transmission valve body solenoids may not be fully seated. DTC P2718 or P2720 may set resulting in the Check Engine indicator illuminating, and the transmission reverting to a ?limp home? mode providing limited forward gear selection. Dealers are to access the transmission valve body solenoids and fully seat the…
• 10155017Dec 3, 2018Steering, Equipment. This engineering informational bulletin is requesting information for diagnostics direct the technician to replace the steering gear.
• 10212580Nov 29, 2018Transmission and drivetrain. Service Update. Certain vehicles equipped with a 10-speed transmission may have a condition where the downshift becomes firm after extended highway driving.
• 10151884Nov 29, 2018Transmission and drivetrain, Engine. This Preliminary information communicates the exchange program to assist engineering in identification of any early production issues.
• 10151879Nov 27, 2018Engine. This Preliminary Information communication advises the technician that there have been some reports that the current engine hours are not correct and display 0.0. Technician will need to program the Instrument Panel Cluster using Service Programming System.
• 10151877Nov 26, 2018Body and structure. This Preliminary Information communication provides information to the technician about vehicles that have water or dust from the openings under the bed rails near the stake pockets. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle.
• 10151874Nov 26, 2018Body and structure, Equipment. This Preliminary Information communication provides the technician with weight capacity for the tailgate and cargo loops in the bed.
• 10151871Nov 23, 2018Engine. This Preliminary information communicates that 2.7L (RPO L3B) engine are on the exchange program.
• 10151863Nov 19, 2018Engine, Steering. This Preliminary information communicates to the dealer a condition where a tick noise may be present inside a vehicle while driving. This may be the result of a deformed or improperly seated steering shaft seal allowing engine compartment sounds into the vehicle. Dealers are instructed to replace or reinstall the boot as needed and are informed the condition is being reviewed by engineering.
• 10151857Nov 16, 2018Transmission and drivetrain. This Preliminary information communicates to the dealer technician that the 10L80 transmission has been place on a part restriction. Dealers are to contact the Product Quality Center before replacing the transmission assembly.
• 10151855Nov 15, 2018Electrical system, Seats. This Preliminary information communicates and issue with the heated/vented seat switch indicators being inoperative or hard to see when the interior light dimmer switch is set to a very low/lowest position. Engineering is currently investigating the issue.
• 10151849Nov 15, 2018Electrical system. This Preliminary Information communication provides information to the technician of additional information when diagnosing a service driver assist message with a diagnostic trouble code B172E and or a B172F. The haptic seat motor has a pigtail lead coming off of it. In many cases the wiring pigtail near the haptic seat motor has broken and will require replacement.

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