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Service bulletins for the 2019 Chevrolet Silverado

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

2229 on file from NHTSA, as of 2026-10-19.

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By component

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Bulletins, newest first
19NA1212019-08-26. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). This technical bulletin provides a procedure to perform a trans fluid flush to correct the customers concern.
19NA0102019-08-26. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM. This informational bulletin provides information for dealers/technicians on Information on Head-Up Display (HUD) on Vehicles Model Year 2017 and Newer Has Rotational Feature that Allows for Adjusting of the Angle of the HUD Image.
19NA0052019-08-26. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT ADAPTIVE/MOBILITY; FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY. This technical bulletin provides a procedure to replace the fill pipe if found the cause of the noises at highway speeds.
N192210460 012019-08-26. Service bulletin. ENGINE AND ENGINE COOLING; SERVICE BRAKES, HYDRAULIC; ELECTRICAL SYSTEM. N192210460-01 - Service Update - Certain 2019 Cadillac CT6 equipped with engine RPO?s LSY or LTA, Chevrolet Silverado 1500 (New Model), and GMC Sierra 1500 (New Model) vehicles have a condition where the brake system control module (BSCM) may cause a service brake assist message to appear on the driver?s information center (DIC), and a service engine soon light to illuminate on the dashboard. This may cause the brake pedal feel to be different. The pedal travel will increase for normal/light braking applies. This is caused by a software issue where the motor position sensors do not correlate. Dealers will reflash the BSCM with updated software.
N1922200302019-08-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, GASOLINE; FUEL SYSTEM, DIESEL. N192220030. Certain vehicles, equipped with a 6.6L diesel engine (RPO L5D), may have a condition in which the incorrect amount of silicone fluid was added to the fan drive assembly. With low fluid, the vehicle may not meet the cooling requirement needed to achieve the max tow rating and may also lead to poor control of the fan drive speeds which could affect cooling performance. Dealers are to replace the fan blade clutch.
N1922105602019-08-26. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE. Service Update Bulletin. Certain vehicles may have a condition where the vehicle does not accelerate or decelerate but maintains speed after releasing the accelerator pedal for up to approximately 65 seconds. If the customer applies the brake pedal, the vehicle will stop as designed. Reprogram the engine control module.
N1922134902019-08-26. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. Customer Satisfaction Program. Certain vehicles may have a condition in which the vehicle was built with an incorrect bolt for the belt tensioner strut. Dealers will replace the automatic level control air compressor bracket and the lower belt tensioner bolt. Inspect the air compressor drive belt and drive belt tensioner for any signs of damage or premature wear and replace if necessary.
PIE0511A2019-08-19. Service bulletin. ELECTRICAL SYSTEM. This engineering informational bulletin is requesting information clear the codes and perform the glow plug learn procedure.
PI1344C2019-08-19. Service bulletin. POWER TRAIN. This preliminary informational bulletin adds the 2016 model year to diagnostic tips and repair information to correct a customer concern of reduced acceleration at low speed and/or transmission slipping from a launch, DTC P0751 set.
990089019R2019-08-19. Service bulletin. EQUIPMENT. This informational bulletin provides process information for the (GWM) and (WPC) parts return program.
17NA3502019-08-19. Service bulletin. TRAILER HITCHES. This informational bulletin provides explanation of a normal condition of a loose fitting ball receiver in the gooseneck.
17NA2582019-08-19. Service bulletin. VISIBILITY:GLASS, SIDE/REAR. This technical bulletin provides repair information to correct a customer concern of hearing excessive wind noise from front side door glass area.
N1922204802019-08-19. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. N192220480 - Customer Satisfaction Program - Certain 2019 model year Chevrolet Silverado 4500/5500/6500 HD vehicles may have an owner?s manual with incorrect part numbers or descriptions in the following sections: Air Suspension; Rear Air Suspension; Hydraulic Power Steering System and Maintenance Replacement Parts. Customers will receive an Owner?s Manual Supplement.
N1922560402019-08-19. Service bulletin. SEATS. N192256040 - Customer Satisfaction Program - Certain 2019 model year Chevrolet Silverado 1500 (New Model) vehicles, equipped with RPO 5T5, (Vinyl Rear Seats With Cloth Front Seats), may have been built with cloth rear seat headrests instead of vinyl rear seat headrests. Replace cloth rear seat headrests with vinyl rear seat headrests.
N1922191602019-08-19. Service bulletin. POWER TRAIN. N192219160 - Service Update - Certain 2019 Chevrolet Silverado 4500/5500/6500 vehicles may have been built with a rear axle housing breather improperly installed. If the rear axle housing breather were loose or missing, a customer could see rear diff. fluid on the ground. If the leak were ignored, a grinding noise could occur and continued use of the vehicle may result in the rear differential seizing. Verify rear axle housing breather is installed/oriented correctly. If not, drain and refill rear differential to eliminate any possible contamination and install new rear axle housing breather.
N1922135302019-08-19. Service bulletin. FUEL SYSTEM, GASOLINE. N192213530 - Service Update - Certain vehicles may have a condition in which the rear fuel tank pump may fail to transfer fuel to the front fuel tank. If the fuel transfer fails, P-codes will set, and the fuel gage will default to ?E?, the low fuel warning will illuminate in the driver information center (DIC) and there will be 2 sets of 5 chimes upon initial warning. If the customer continues to operate the vehicle without refueling the front tank, the Check Engine Light will illuminate, and the vehicle may exhibit reduced power mode. The vehicle may also lose propulsion and may fail to re-start (dependent on fuel pressure). Dealers are to inspect and, if necessary, replace the rear fuel pump.
N1922206102019-08-19. Service bulletin. STEERING. N192220610 - Customer Satisfaction Program - Certain 2019 model year Chevrolet Silverado MD 4500/5500/6500 vehicles may have a condition in which the intermediate shaft pinch bolt may have been over-torqued. This could cause ?lumpy? steering and could lead to durability issues. Replace intermediate steering shaft, bolt, nut, and washers.
N1922243502019-08-19. Service bulletin. TIRES. N192224350 - Customer Satisfaction Program - Certain 2019 model year Chevrolet Silverado MD 4500/5500/6500 vehicles, which should be equipped with rear traction blackwall tires (RPO YAN or YAO), may have been built with incorrect tires. These vehicles may have highway tread tires instead of traction blackwall tires at the rear tire locations. All compliance requirements are met, however a customer annoyance condition exists. Replace all four rear tires.
PIP56652019-08-12. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates to the technician that he may encounter a listed vehicle with a No Crank condition. If so, the technician is advised to inspect for a potential open F3BA 400 AMP fuse in X50D Fuse Block - Battery. If found, the technician is provided with diagnostic testing and a component replacement recommendation.
PIP56632019-08-12. Service bulletin. EQUIPMENT:ELECTRICAL. This Preliminary information communicates AFM / DFM usage Information. providing additional information on the AFM and DFM systems
PIP5606D2019-08-12. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates A vehicle may have a tick noise from the engine cold, initial start in the morning. A lifter may not have sufficient amount of oil during cold start operation (not pumped up). As information comes in the Pi will be updated and when the final repair is out this this PI will be changed to a Bulletin
PIT56972019-08-12. Service bulletin. BACK OVER PREVENTION: SENSING SYSTEM: CAMERA. This Preliminary information communication provides information to the technician on installing Regular Production Option Code UVC Rearview Camera. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 152. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."
PIT5662C2019-08-12. Service bulletin. EQUIPMENT. This Preliminary information communicates information to diagnose DTC C056D or C056E.
PIP56602019-08-12. Service bulletin. ENGINE; ELECTRICAL SYSTEM:WIRING. This Preliminary information communicates the possibility of a reduced power message with dtc p2101 and/or p1516 due to potential throttle body issue.
PIP56592019-08-12. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates to the dealer technician that the tools to install the turbine shaft and stator shaft seals are available for loan from Bosch.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.