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Service bulletins for the 2014 Chevrolet Corvette

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.

1985 on file from NHTSA, as of 2026-10-19.

About P0300 on the 2014 Chevrolet Corvette: what the code means, and the bulletins and recalls about the same components.

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Only bulletins with trouble code: P0300 are shown. Show all

Bulletins, newest first
PIP5628G2023-09-18. Service bulletin. ENGINE. This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
PIP5628F2023-05-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
PIP5628E2023-03-13. Service bulletin. EQUIPMENT:ELECTRICAL:ACCESSORY GENERATOR:OUTLETS/RECEPTACLE. This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
PIP5628E2022-01-24. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
PIP5628C2020-11-16. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
PIP5628B2020-06-15. Service bulletin. ENGINE. This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
PIP56282019-03-11. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
PIP4138R2018-11-13. 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, engine misfire, and/or engine noise. Technician may find Diagnostic Trouble Codes P0300-P0308. If published Service Information diagnostics does not isolate the cause of this concern technician should check for a worn camshaft lobe and/or lifter roller, a sticking valve, valve leakage, a broken valve spring, and a collapsed active fuel management lifter.
15-06-01-002A2018-05-21. Service bulletin. ENGINE AND ENGINE COOLING. This technical bulletin provides repair information to correct a customer concern of engine misfire/tick noise, Malfunction Indicator Lamp (MIL) On, DTC P0300 set.
15-06-01-002B2018-05-21. Service bulletin. ENGINE. This technical bulletin provides repair information to correct a customer concern of engine misfire/tick noise, Malfunction Indicator Lamp (MIL) On, DTC P0300 set.
PIP4138Q2018-02-21. Service bulletin. EXTERIOR LIGHTING. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Technician may find Diagnostic Trouble Codes P0300-P0308. If published Service Information diagnostics does not isolate the cause of this concern technician should check for a worn camshaft lobe and/or lifter roller, a sticking valve, valve leakage, a broken valve spring, and a collapsed active fuel management lifter.
PIP53232018-01-22. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary Information communication provides information to the technician about vehicles with misfires or roughness on cold start up. Technician may find a Diagnostic Trouble Code P0300 stored. Technician will add coolant dye to the system, run engine through warm up, pressurize the cooling system on a cold soak engine and inspect the suspect cylinder with a bore scope for coolant dye evidence. If coolant is found in the cylinder do not replace the cylinder head because that will not repair this concern. Dealer will need to contact General Motors Product Quality Center for engine replacement.
PIP5159A2017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on and Diagnostic Trouble Code P0300 - P0308 may set. Technician will inspect for lose sparkplug wire. If a spark plug wire is found lose check for a missing ?C? clip on the wire end for the ignition coil. If the clip is missing replace the wire.
15-06-01-0022017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This technical bulletin provides repair information to correct a customer concern of engine misfire/tick noise, Malfunction Indicator Lamp (MIL) On, and/or DTC P0300 set.
PIP51592017-08-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P0300 to P0308. Technician will need to inspect the spark plug wires and replace if needed.
PIP4138P2017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Technician may find Diagnostic Trouble Codes P0300-P0308. If published Service Information diagnostics does not isolate the cause of this concern technician should check for a worn camshaft lobe and/or lifter roller, a sticking valve, valve leakage, a broken valve spring, and a collapsed active fuel management lifter.
PIP5159B2017-05-17. 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 AND DIAGNOSTIC TROUBLE CODE P0300 - P0308 MAY SET. TECHNICIAN WILL INSPECT FOR LOSE SPARKPLUG WIRE. IF A SPARK PLUG WIRE IS FOUND LOSE CHECK FOR A MISSING “C” CLIP ON THE WIRE END FOR THE IGNITION COIL. IF THE CLIP IS MISSING REPLACE THE WIRE.
144812017-02-03. Service bulletin. ELECTRICAL SYSTEM:WIRING. "14481 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO INSPECT AND VERIFY THE INSTALLATION OF THE SPARK PLUG WIRES ON CERTAIN VEHICLES EQUIPPED WITH A GEN V GAS 5.3/6.2L V-8 OR 4.3L V-6 ENGINE (RPO L83/L86/LT1/LV3). THESE VEHICLES MAY HAVE LOOSE SPARK PLUG WIRES THAT ARE NOT SECURED AT THE SPARK PLUG OR COIL ATTACHMENT. LOOSE SPARK PLUG WIRES CAN CAUSE A MISFIRE CONDITION RESULTING IN P0300 DTC BEING SET WITH MIL (“SERVICE ENGINE SOON” LIGHT). CONTINUED OPERATION WITH THIS CONDITION COULD RESULT IN DAMAGE TO THE CATALYTIC CONVERTER."
SB-15-06-01-002C2016-08-10. Service bulletin. ENGINE. THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPLACE THE VALVE LIFTER OIL MANIFOLD AND AFFECTED BANK OF AFM LIFTERS TO CORRECT A CUSTOMER CONCERN ON A MALFUNCTION INDICATOR LAMP (MIL) ON AND/OR AN ENGINE MISFIRE/TICK NOISE WITH DTC P0300 SET DUE TO AN ACTIVE FUEL MANAGEMENT (AFM) LIFTER THAT IS MECHANICALLY COLLAPSED AND/OR STUCK ALL OF THE TIME.

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