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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.

By type

By component

By trouble code

By topic

Bulletins, newest first
19NA1082019-07-01. Service bulletin. ENGINE. This technical bulletin provides a procedure to replace the head gaskets if found doubled stacked.
18NA2172019-07-01. Service bulletin. ELECTRICAL SYSTEM; VEHICLE SPEED CONTROL:CRUISE CONTROL. This technical bulletin provides a procedure to locate and repair a possible short in the 5294 circuit and correct the customers concern.
16NA3832019-07-01. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This informational bulletin advises of a new fuel injection kit used for decarbonizing the intake valves, and explains how toptier fuels should be used to reduce carbon build up.
16NA3802019-07-01. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe.
16NA3312019-07-01. Service bulletin. TIRES. This warranty administration bulletin provides the information on General Motors Tire Warranty Policies and Procedures for Low Cab Forward Medium Duty Trucks (US Medium Duty Dealers Only).
16NA1192019-07-01. Service bulletin. EQUIPMENT. This warranty administration bulletin provide policy information to cover GM's policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada.
19NA1162019-07-01. Service bulletin. SERVICE BRAKES. This technical bulletin provides repair information to correct a customer concern of pulsing, grinding, scraping noise from brakes, uneven front brake pad wear.
080089014E2019-07-01. Service bulletin. EQUIPMENT. 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).
000310006N2019-07-01. Service bulletin. TIRES. This informational bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV).
19NA1162019-07-01. Service bulletin. SERVICE BRAKES. This technical bulletin provides repair information to correct a customer concern of pulsing, grinding, scraping noise from brakes, uneven front brake pad wear.
19NA0932019-07-01. Service bulletin. ENGINE. This technical bulletin provides repair information to correct a customer concern of Engine Air Filter Life Shows 0% After Battery Disconnect.
18NA3832019-07-01. Service bulletin. STRUCTURE; EQUIPMENT. This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window.
18NA2792019-07-01. Service bulletin. STRUCTURE:BODY:DOOR; LATCHES/LOCKS/LINKAGES; STRUCTURE. This informational bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking.
N1922126102019-06-24. Service bulletin. ENGINE AND ENGINE COOLING. Customer Satisfaction Program. Certain 2019 model year Chevrolet Silverado 4500/5500/6500 vehicles may have a Power Take Off (PTO) connector that has inadequate protection against water/debris intrusion. Over time, this could affect the function of the upfit (if so equipped) and the vehicle may exhibit reduced engine power and/or fail to restart. Replace the engine wire harness and PTO Module.
18NA2892019-06-10. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE; ELECTRICAL SYSTEM:SOFTWARE. This technical bulletin provides a procedure to program the ECM if found the cause of engine misfire, codes.
18NA2832019-06-10. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This Technical bulletin provides steps for dealers/technicians to change Wi-Fi hotspot displaying myCadillac for SSID name.
PIT5642A2019-06-10. Service bulletin. EXTERIOR LIGHTING; SEATS; ELECTRICAL SYSTEM. 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 has released updated radio software to correction these concerns.
PIT5651B2019-06-10. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates and issue with a Service Column Lock message being displayed after performing a remote engine start using their cell phone app or key fob. GM Engineering is working on the issue.
PIP56532019-06-10. Service bulletin. POWER TRAIN. This Preliminary information communicates that engineering is developing a repair for a chirp noise associated with the front axle assembly.
PIP5646A2019-06-10. Service bulletin. WHEELS; SERVICE BRAKES; POWER TRAIN. This Preliminary information communicates to the dealer technician that some customers may comment the rear wheels locked up at low speeds after a hot soak. Technicians may find DTC's P2724, P2727 or P2729 set. Technician's are advised to replace the TCM to address this concern.
PIP5575B2019-06-10. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. This Preliminary information communicates to the dealer technician that the transmission control module P/N 24289415 is on restriction through the PQC.
PIP56462019-06-10. Service bulletin. WHEELS; POWER TRAIN. This Preliminary information communicates to the dealer technician that some customers may comment the rear wheels locked up at low speeds after a hot soak. Technicians may find DTC's P2724, P2727 or P2729 set. Technician's are advised to replace the TCM to address this concern.
PIP5650A2019-06-10. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates the possibility of DTC P3075 being set current or history due to low coolant level or air trapped in cooling system.
PIP5604A2019-06-10. Service bulletin. ENGINE. This Preliminary information communicates that 2.7L (RPO L3B) engine are on the exchange program.
PIC63652019-06-10. Service bulletin. EQUIPMENT. This Preliminary information communicates information to dealers advising certain Over the air updates and USB updates have been temporarily suspended.

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