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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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Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
04-06-04-051F2022-04-05. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM; EQUIPMENT:MECHANICAL. This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
12-08-51-002N2022-03-19. Service bulletin. EQUIPMENT; STRUCTURE. This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.
N212346580-012022-03-16. Service bulletin. EQUIPMENT:ELECTRICAL:ENGINE BLOCK HEATER; ELECTRICAL SYSTEM:PROPULSION SYSTEM; ELECTRICAL SYSTEM; FUEL SYSTEM, DIESEL. Customer Satisfaction Program - certain vehicles equipped with the Duramax diesel 6.6 liter engine and the optional engine-block heater cord, may have a condition in which the block heater cable function was disabled. Dealers will replace the engine block heater and cord.
PIT5733B2022-03-14. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary information provides information to the technician on installing a roof beacon light. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 157. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."
PIT5676B2022-02-14. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:THERMAL MANAGEMENT:HOSES, FITTINGS, AND RESERVOIR. This Preliminary information communication provides information to the technician on installing Regular Production Option Code 9L7 Up-fitter Auxiliary Switches. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 148. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."
PIT5702C2022-02-14. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:FILTER/SCREEN; EQUIPMENT. This Preliminary information communication provides information to the technician on installing Regular Production Option Code 9L7 Up-fitter Auxiliary Switches. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 153. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."
N1922850712022-02-07. Service bulletin. EQUIPMENT. Customer Satisfaction Program. As part of equipment recall N192285070, GM instructed dealers to remove recalled tri-fold tonneau covers on certain vehicles prior to delivery to the customer. GM is conducting this customer satisfaction field action to provide these customers with the improved tonneau cover system for their vehicle. Dealers will replace the tonneau rails and clamps and add a tether to prevent the tonneau from detaching onto the roadway even if improperly installed. If the vehicle was covered by equipment recall 19E031 (N192217500), the dealer will also confirm that the repair for equipment recall 19E031 (N192217500) was correctly performed.
N192264210 Messa2022-02-07. Service bulletin. ENGINE; EQUIPMENT. Customer Satisfaction Program. Stock VIN List sent.
N192285280 Stop2022-02-07. Service bulletin. EQUIPMENT; EQUIPMENT:OTHER:LABELS. Stop Delivery Order: Reference Number N192285280. These vehicles may have incorrect Monroney labels.
N1922087202022-02-07. Service bulletin. EQUIPMENT:OTHER:LABELS; EQUIPMENT. Service Update. Certain vehicles were built without a ?Certified Clean Idle? label on the front side panel just above the left front fender. Dealers are to install the VIN specific ?Certified Clean Idle? label to the front side panel just above the left front fender.
N1822018522022-02-07. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT. Service Update. In some vehicles, the navigation system will not work and the customer may see an error message on the screen. Install or initialize the navigation SD Card as required.
N1822029602022-02-07. Service bulletin. FUEL SYSTEM, GASOLINE; 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.
N1821884402022-02-07. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE; EQUIPMENT. Customer Satisfaction Program. Certain vehicles may have an incomplete or missing braze between the harness bulkhead support bracket and the fuel rail assembly. If the braze is incomplete the support bracket may detach from the fuel rail assembly over time. Wiring may sever and compromise the function of the fuel pump and/or the 4 passenger side injectors. If the function of the fuel pump and/or injectors is compromised, the Check Engine Light will come on, and you could experience reduced engine power. Loss of propulsion is possible, and there is a remote chance of fire if there is a fuel leak. Replace fuel rail assembly.
PIT5648C2022-01-24. Service bulletin. EQUIPMENT:RECREATIONAL VEHICLE/TRAILER:120/240 VAC ELECTRICAL SYSTEM:WIRING; ELECTRICAL SYSTEM. This Preliminary information communicates an issue with a "Trailer Disconnected Check Connection" message being displayed on the DIC without a trailer ever being connected. Engineering has released updated software calibrations for the Trailer Lighting Control Module.
PIP58322022-01-24. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. This Preliminary information communicates to the dealer an issue where a vehicle may be exhibiting an engine noise condiion. The dealer is instructed on how to isolate the noise to a specific area of the engine for further diagnosis.
030091001H2022-01-03. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY:VEHICLE CONTROLS:STEERING. This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure, when diagnosing vibration concerns.
21NA2572021-12-27. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. This service bulletin provides a service procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P3075 Set.
21NA2372021-12-27. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS. THis technical bulletin provides a procedure to perform a cooling system flush to remove possible debris from the cooling system pipes.
20NA1882021-12-27. Service bulletin. BACK OVER PREVENTION; ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. This technical bulletin provides repair information to correct a customer concern of Rear View Camera Image Flickers When Brake Lamps or Turn Signals are On.
20NA1712021-12-27. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM:SOFTWARE. This service bulletin provides repair information to correct a customer concern of software issues with Radio Software Version V808.
19NA1042021-12-27. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This service bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.
PIT58682021-12-13. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:HEATER CORE; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. This Preliminary information communicates an issues will low or poor heater performance on the drivers side. Dealers are to inspect the HVAC temperature door linkage and if ok replace the heater core.
PIT5790C2021-10-25. Service bulletin. EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS. This Preliminary information communicates a concern where the radio will reboot when adjusting the volume intermittently and that engineering is investigating.
PIT5752B2021-10-25. Service bulletin. EQUIPMENT. This Preliminary information communicates multiple vehicle issues caused by an aftermarket device and it gives dealership information where to inspect for this device.
PIC6438B2021-09-13. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This Preliminary information communicates a condition where the Video Processing Control Module is not able to be programmed to the vehicle. This PI offeres a couple workarounds while Engineering evaluates the concern.

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