2019 Chevrolet Tahoe Technical Service Bulletins

965 technical service bulletins (TSBs) are on record for the 2019 Chevrolet Tahoe. 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.

• 10188401Jan 29, 2021Equipment, Body and structure. This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen.
• 10187745Jan 22, 2021Engine. This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
• 10187759Jan 11, 2021Transmission and drivetrain, Engine cooling. This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.
• 10187412Dec 23, 2020Equipment, Electrical system. This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall.
• 10187379Dec 23, 2020Equipment. This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).
• 10186085Dec 23, 2020Engine cooling, Equipment. This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall.
• 10186065Dec 23, 2020Equipment. This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).
• 10187628Dec 17, 2020Engine cooling, Equipment. This service 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 Illuminated.
• 10186107Dec 17, 2020Engine cooling, Equipment. This service 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 Illuminated.
• 10187625Dec 16, 2020Engine cooling, Equipment. This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
• 10187387Dec 16, 2020Engine cooling. This technical bulletin provides a service procedure to correct a condition of Ticking Noise from the Engine.
• 10186104Dec 16, 2020Engine cooling, Equipment. This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
• 10186073Dec 16, 2020Equipment, Engine cooling. This technical bulletin provides a service procedure to correct a condition of Ticking Noise from the Engine.
• 10187373Dec 15, 2020Visibility (wipers, defrost, mirrors). This technical bulletin provides a procedure to reinstall the rear defroster tab on the rear window defogger for vehicles with the condition of rear defrosters inoperative or if one is to break during a normal repair.
• 10186059Dec 15, 2020Visibility (wipers, defrost, mirrors). This technical bulletin provides a procedure to reinstall the rear defroster tab on the rear window defogger for vehicles with the condition of rear defrosters inoperative or if one is to break during a normal repair.
• 10187185Dec 14, 2020Engine cooling. 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.
• 10185734Dec 14, 2020Engine cooling. 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.
• 10187375Dec 11, 2020Engine cooling. This technical bulletin provides a procedure to measure vibration and install engine mounts to correct a Rough Idle in Drive concern.
• 10186061Dec 11, 2020Engine cooling, Equipment. This technical bulletin provides a procedure to measure vibration and install engine mounts to correct a Rough Idle in Drive concern.
• 10185728Dec 10, 2020Back-over prevention (rear camera), Visibility (wipers, defrost, mirrors). This Preliminary Information communication provides the technician with steps to resolve the issue of an oily substance that may be found on the inside windshield surface, and appears to be leaking from the rear view mirror area. Technician will remove the moisture sensor and clean the glass and mounting bracket with alcohol wipe. If the gel separates from the sensor the sensor will need to be replaced.
• 10187627Dec 8, 2020Engine cooling, Equipment. This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
• 10186106Dec 8, 2020Equipment, Engine cooling. This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
• 10187394Dec 4, 2020Tires. This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
• 10186080Dec 4, 2020Tires. This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
• 10187384Dec 3, 2020Transmission and drivetrain. This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal.
• 10186070Dec 3, 2020Transmission and drivetrain. This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal.
• 10187626Dec 1, 2020Equipment. This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only).
• 10187383Dec 1, 2020Engine cooling. This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto Mode.
• 10187372Dec 1, 2020Transmission and drivetrain. This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.
• 10186105Dec 1, 2020Equipment. This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only).
• 10186069Dec 1, 2020Transmission and drivetrain, Brakes, Equipment. This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto Mode.
• 10186058Dec 1, 2020Transmission and drivetrain, Electrical system. This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.
• 10184480Nov 25, 2020Equipment. This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S. Only).
• 10184484Nov 23, 2020Transmission and drivetrain, Equipment. This technical bulletin provides a procedure to replace the 4 5 6 clutch housing if the bushing was found worn and the cause of the customers concern.
• 10184501Nov 19, 2020Engine, Transmission and drivetrain. This service bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification.
• 10184124Nov 17, 2020Vehicle speed control, Electrical system. This Preliminary information communicates information regarding switching between adaptive cruise control and regulate cruise control.
• 10184494Nov 16, 2020Transmission and drivetrain, Engine, Electrical system, Suspension. This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall.
• 10184487Nov 16, 2020Equipment. This technical bulletin provides a procedure to replace the radio amplifier antenna if there is a condition of Poor Remote Keyless Entry (RKE) Fob or Passive Unlocking Range due to a internal concerns within the antenna.
• 10189003Nov 12, 2020Visibility (wipers, defrost, mirrors). This SKU is a Power Window Regulator and Motor Assembly. The customer communication requested return of unsold inventory to inspect the software. The software may be too sensitive to the position of a locating magnet in the assembly causing the activation of the pinch point threshold prematurely. The window will stay open when it should have closed.
• 10184499Nov 12, 2020Equipment, Wheels. This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels.
• 10184105Nov 11, 2020Wheels, Tires. 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.
• 10184504Nov 6, 2020Visibility (wipers, defrost, mirrors). This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic.
• 10184503Nov 6, 2020Body and structure, Equipment. Thins informational bulletin provides information on Paint-less Dent Repair Process.
• 10183211Oct 30, 2020Equipment, Engine cooling. This service bulletin provides information on Improved Oil Filter Gasket Design for Spin-On Oil Filters PF63, PF64 and PF48.
• 10183210Oct 30, 2020Engine, Transmission and drivetrain, Electrical system. This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall.
• 10183169Oct 27, 2020Brakes. This technical bulletin provides repair information to correct a customer concern of pulsing, grinding, scraping noise from brakes, uneven front brake pad wear.
• 10183782Oct 23, 2020Transmission and drivetrain, Electrical system, Equipment. The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
• 10183126Oct 23, 2020Engine. This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
• 10183779Oct 21, 2020Fuel system. This 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 and the TOP TIER FUELS website URL.
• 10183158Oct 21, 2020Suspension. This informational bulletin advises the tech to only replace the shock that is bad and not all.

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