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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

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
PIP56372019-06-03. Service bulletin. EQUIPMENT; ENGINE. The Preliminary Information communication advises the technician that the Product Quality Center has a part exchange for 3.0 LM2 engine. The dealer technician is advised to call the GM Product Quality Center for further assistance
PIP5423B (1)2019-06-03. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P0106 and P0506. Technician will inspect for a broken valve spring and replace as needed.
PIP56362019-06-03. Service bulletin. ENGINE. This Preliminary information communicates There maybe a concern of a DIC message saying Air Filter Life 0% replace now. The DIC message is triggered by a battery being disconnected and reconnected
PIP5423A2019-06-03. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P0106 and P0506. Technician will inspect for a broken valve spring and replace as needed.
PIP4670F2019-06-03. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical system associated with these vehicles does not allow controller swaps between vehicles.
PIE05182019-05-20. Service bulletin. ENGINE. This engineering informational bulletin is requesting information on ways to check to see when the vehicle needs a oil change without the oil life monitor notifying you.
PIE0503B2019-05-20. Service bulletin. ENGINE. This engineering information PI ends the need for information from the field on reduced engine power, DTC P0299 set.
PIE0501A2019-05-20. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). This engineering informational bulletin is requesting information on incorrectly installed foul air PCV tube or tube may be damaged.
140604004E2019-05-20. Service bulletin. ENGINE. This informational bulletin explains the normal noises an engine may make when the ambient temperature outside is cold or the vehicle has sat for a few hours.
PIE0492A2019-04-22. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. This engineering information PI ends the need for information from the field on Rough idle or Misfire condition.
150601002H2019-04-22. Service bulletin. EQUIPMENT; ENGINE; EQUIPMENT ADAPTIVE/MOBILITY. This technical 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 on.
060605001H2019-04-22. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This informational bulletin explains the normal characteristics of exhaust noise during active fuel management when in Three or Four Cylinder Mode.
19NA0442019-04-22. Service bulletin. ENGINE. This informational bulletin provides information on a normal engine operating condition for faster emission warm up time.
PIP5541A2019-04-08. Service bulletin. POWER TRAIN; EQUIPMENT; ENGINE. This Preliminary information communicates to the dealer technician using the PICO scope will aid in determining if the if the engine or transmission is root cause of a vibration or shudder concern.
PIT56662019-04-08. Service bulletin. EQUIPMENT; ENGINE. This Preliminary information communicates an issue with a noise caused by the engine harness rubbing on the floor pan. Dealers are to reposition the harness to fix the noise.
PIP56332019-04-08. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This Preliminary information communicates A vehicle may have a check engine lamp on with a P015B stored. Possible intake manifold or exhaust system leak
PIP56292019-04-08. Service bulletin. ENGINE; EQUIPMENT ADAPTIVE/MOBILITY. This Preliminary information communicates to the dealer technicians that the oil life monitoring system for 2019 Duramax 6.6 L5P is under investigation by engineering.
PIP56302019-04-08. Service bulletin. ENGINE. This Preliminary information communicates A vehicle may have a concern of no oil pressure and/or P0521 set. the releif valve in the pump is sticking or the number 1 main bearing is damaged. Drop oil pan and confirm #1 main is spun or not. If bearings are OK Then change oil pump.
PIP56262019-04-08. Service bulletin. EQUIPMENT; ENGINE. This Preliminary Information communication advises the technician that the 6.6L Duramax Diesel Regular Production Option Code L5D has been placed on Engine Exchange program. Dealer will need to contact General Motors Product Quality Center for further assistance.
18NA3342019-04-08. Service bulletin. ENGINE. This informational bulletin provides information on Perceived Longer Crank, Misfire, Hesitation Feel and/or Surge conditions of the new L5P 6.6L Diesel Engine.
18NA3342019-04-01. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin provides information on Perceived Longer Crank, Misfire, Hesitation Feel and/or Surge conditions of the new L5P 6.6L Diesel Engine.
18NA3342019-03-25. Service bulletin. ENGINE. This informational bulletin provides information on characteristics of the new engine versus the old engine.
PIE0503A2019-03-25. Service bulletin. ENGINE AND ENGINE COOLING. This engineering information PI ends the need for information from the field on reduced engine power, DTC P0299 set.
PIE05032019-03-25. Service bulletin. ENGINE AND ENGINE COOLING. This engineering informational bulletin is requesting information from the field on reduced engine power, DTC P0299 set.
PIE05012019-03-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). This engineering informational bulletin is requesting information on incorrectly installed foul air PCV tube or tube may be damaged.

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