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
Only bulletins with component: Engine are shown. Show all
| 090604026Q | 2019-07-29. Service bulletin. ENGINE; EQUIPMENT. This informational bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2. |
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| 19NA108 | 2019-07-29. Service bulletin. ENGINE. This technical bulletin provides a procedure to replace the head gaskets if found doubled stacked. |
| 19NA104 | 2019-07-29. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. |
| 18NA150 | 2019-07-29. Service bulletin. ENGINE. This informational bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information. |
| 18NA098 | 2019-07-29. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin provides information for the technicians on where to look on the Duramax engine for coolant leaks. |
| 17NA374 | 2019-07-29. Service bulletin. ENGINE. This informational bulletin advises the technician of how the Soot information has changed from grams to percentage. |
| 16NA376 | 2019-07-29. Service bulletin. ENGINE; EQUIPMENT. This informational bulletin provides information on higher than expected oil consumption. |
| PIP5335C | 2019-07-08. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Codes P0340 and P0341 setting at times. Technician should use normal published Service Information diagnostics. If normal Service Information diagnostics does not isolate the concern, inspect for corrosion in connector X154 located on the front cover next to the vacuum pump. |
| PIP5658 | 2019-07-08. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates There may be a concern where coolant heat shrink clamps need to be replaced for a coolant leak and/or for a service repair. Difficult to get the heat shrink clamps?to seal the coolant hose. For locations that are inaccessible to a heat gun, use hose clamp p/n 1518389C1, torque @ 9-11 Nm (79 - 97 lb in). |
| PIT5689 | 2019-07-08. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. |
| 19NA109 | 2019-07-01. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This informational bulletin provides information for dealers/technicians on Oil Life Monitor Engine Control Module Update. |
| 19NA108 | 2019-07-01. Service bulletin. ENGINE. This technical bulletin provides a procedure to replace the head gaskets if found doubled stacked. |
| 16NA383 | 2019-07-01. 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. |
| 16NA380 | 2019-07-01. 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. |
| 19NA093 | 2019-07-01. Service bulletin. ENGINE. This technical bulletin provides repair information to correct a customer concern of Engine Air Filter Life Shows 0% After Battery Disconnect. |
| N192212610 | 2019-06-24. 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. |
| 18NA289 | 2019-06-10. 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. |
| PIP5650A | 2019-06-10. 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. |
| PIP5604A | 2019-06-10. Service bulletin. ENGINE. This Preliminary information communicates that 2.7L (RPO L3B) engine are on the exchange program. |
| PIP5650 | 2019-06-10. 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. |
| PIP5648 | 2019-06-10. Service bulletin. ENGINE. This Preliminary information communicates to the technician the process to inspect the Camshaft Position Actuator Valve Solenoid Bolt internal valve spring for proper operation and travel. It advises the technician to replace the Camshaft Position Actuator Valve Solenoid Bolt if a concern is isolated. |
| PIP5647 | 2019-06-10. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE. This Preliminary information communicates A vehicle may have a concern of running poor and stalling. No trouble codes may be set referencing this condition. Fuel trims around -20% may be observed on both banks. Engine oil level will be found over full and have a fuel odor. It will be found that the Engine oil is diluted with fuel. Small gas engines (SGE) May only have the engine oil level over full and have a fuel odor. It will be found that the Engine oil is diluted with fuel. This concern is caused by marshalling the vehicle around the lot before it is sold and/or short driver cycles. |
| PIP5498L | 2019-06-10. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates A vehicle may have a concern of DTC P050D setting along with a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. Cause Coolant getting into the cylinders, and provides direction for the repair. |
| PIP5569A | 2019-06-03. Service bulletin. ENGINE; FUEL SYSTEM, GASOLINE. This Preliminary information communicates to the dealer an issue where the vehicle's engine may crank over unprompted and not start afterward. This is the result of hooking up the Active Fuel Injector Tool incorrectly on vehicles equipped with a direct fuel injection system. This Preliminary information instructs the dealer of a repair kit they received that will prevent this issue when installed correctly. |
| PIT5404E | 2019-06-03. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a buffeting vibration and/or drone type noise, exhaust tone change, and/or body pressure booming. Replace or repair any of the issue that was found in the inspection. If the vehicle is equipped with a 4.3 liter or 5.3 liter engine an updated exhaust system is now available. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.