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Service bulletins for the 2014 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.

3313 on file from NHTSA, as of 2026-10-19.

About P0300 on the 2014 Chevrolet Silverado: 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
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.
PIP5498G2018-05-21. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicatesA vehicle may have a concern ofDTCP050D settingalongwith 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. CauseCoolant getting into the cylinders, and provides direction for the repair.
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.
PIP5498F2018-02-21. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicatesA vehicle may have a concern ofDTCP050D settingalongwith 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. CauseCoolant getting into the cylinders, and provides direction for the repair.
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.
PIP5498E2018-01-16. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates A vehicle may have a concern of DTCP050D 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.
PIP5498D2018-01-16. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicatesA vehicle may have a concern ofDTCP050D settingalongwith 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. CauseCoolant getting into the cylinders, and provides direction for the repair.
PIP5498C2017-11-14. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This Preliminary information communicatesA vehicle may have a concern ofDTCP050D settingalongwith 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. CauseCoolant getting into the cylinders, and provides direction for the repair.
PIP5498A2017-10-04. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicatesA vehicle may have a concern ofDTCP050D settingalongwith 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. CauseCoolant getting into the cylinders, and provides direction for the repair.
PIP52982017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary Information communication provides information to the technician for a Service Engine Soon light with a Diagnostic Trouble code P0300 set. There may be a rough running engine associated with this concern. If service information diagnostics have been completed and there is still no trouble found, the technician is to inspect for a possible terminal tension concern on the ignition coil power feed for the cause of the rough running engine and or the P0300. For the Service Engine Soon light or traction control lamp concern check the X2 connector of the under hood fuse block for poor pin retention.
PIP5259B2017-08-15. 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, a tick noise, and engine misfire. Technician may find diagnostic trouble code P0300 stored. If published Service Information diagnostics do not lead to a repair gain access to the valves for inspection. If the vales are not moving replace the Active Fuel Management lifters and guide on the bank with the concern and the oil pan assembly.
PIP5259A2017-08-15. 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, a tick noise, and engine misfire. Technician may find diagnostic trouble code P0300 stored. If published Service Information diagnostics do not lead to a repair gain access to the valves for inspection. If the vales are not moving replace the Active Fuel Management lifters and guide on the bank with the concern and the oil pan assembly.
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.
PIP52592017-08-15. 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 with Diagnostic Trouble Code P0300 and an engine misfire. Technician will need to inspect the valve operation, if the valve or valves are not moving the Active Fuel Management lifters and guide on the bank with the concern and the oil pump and oil pan assembly should be replaced.
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.
PIP5143B2017-08-15. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have a lifter noise and or Service Engine Soon Malfunction Indicator Lamp on. Technician may find a Diagnostic Trouble Code P0300 set. Technician should check Tis2Web for any applicable Engine Control Module calibrations after any repair of the engine with a collapsed intake lifter on an Active Fuel Management cylinder.
PIP5143A2017-08-15. Service bulletin. ENGINE; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have a lifter noise and or Service Engine Soon Malfunction Indicator Lamp on. Technician may find a Diagnostic Trouble Code P0300 set. Technician should check Tis2Web for any applicable Engine Control Module calibrations after any repair of the engine with a collapsed intake lifter on an Active Fuel Management cylinder.
PIP51432017-08-15. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician about vehicles that have a lifter noise or Service Engine Soon light on. Technician will find Diagnostic Trouble Code P0300. Technician will use Tis2Web and complete the applicable service calibration update.
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.
PIP51692017-08-15. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician about vehicles that are setting Diagnostic Trouble Code P0300 after engine repairs. Technician will need to ensure that injector connectors for cylinder 5-7 and 6-8 are not crossed.
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.
PIP52592017-03-16. Service bulletin. ENGINE. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE A SERVICE ENGINE SOON WITH DIAGNOSTIC TROUBLE CODE P0300 AND AN ENGINE MISFIRE. TECHNICIAN WILL NEED TO INSPECT THE VALVE OPERATION, IF THE VALVE OR VALVES ARE NOT MOVING THE ACTIVE FUEL MANAGEMENT LIFTERS AND GUIDE ON THE BANK WITH THE CONCERN AND THE OIL PUMP AND OIL PAN ASSEMBLY SHOULD BE REPLACED.
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.