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Service bulletins for the 2018 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.

1009 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
PIP4670E2018-03-12. Service bulletin. 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.
PIP55532018-03-12. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY. This Preliminary information communicatesThe vehicle may have an ses lamp with any of the following DTC P06DA, P06DB, P06DC, P06B6, P06B7, P250A, P0300, P0340, P0341, P0335, P0336, P0641, P0011, P0010, P2088, P2089, and/or P2230. Possible crank no start or a stall. possible wiring jumper harness chaffed at the bolt at the X154 connector on lower left side of the frount cover.
PIP5226B2018-02-21. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Only replace the roller rocker that is missing needle bearings. Be sure to clean the oil drains to retrieve the needle bearings. Each roller rocker has 66 bearings.
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.
PIT3271H2018-02-21. Service bulletin. WHEELS. This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
PIC6084B2018-02-21. Service bulletin. TIRES. This Preliminary Information communication provides information to the technician about having difficulty seating the beads on the tires. If this issue is encountered at the dealership technicians are to review May 2015 Emerging Issues Broadcast to address this concern.
PIP5446A2018-02-21. Service bulletin. BACK OVER PREVENTION. This Preliminary Information communication provides information to the technician about vehicles that have a Harsh Shift 1/2 and 2/3 and Sputter Applying Throttle Between 0 and 30%, Rough idle. Technician may find Diagnostic Trouble Codes P0101, P0171, P0172, P0174, and or P0175. Technician should inspect for cast flashing near the Mass Air Flow sensor as seen below.
PIP5540A2018-02-21. Service bulletin. ENGINE. This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.
PIP5330C2018-02-21. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary Information communication provides information to the technician about vehicles that have a coolant loss and/or coolant odor after driving the vehicle. Technician will need to test the cooling system looking for leaks at the outer head bolts. If coolant is found replace the head the concern is present on.
PIP5168F2018-02-21. Service bulletin. POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT; BACK OVER PREVENTION; FUEL SYSTEM, GASOLINE. This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a no crank concern. Technician will need to check the valve train for movement when the engine is cranked. If the valve train is not moving while the crankshaft is moving the front cover will need to be removed to inspect for a sheared cam sprocket locator pin. If the cam sprocket locator pin has sheared, replace the engine assembly. If the valve train is rotating during inspection, disconnect the Camshaft Position sensor and check if the engine will start. If the engine starts front cover will need to be removed to inspect for a sheared cam sprocket locator pin. If the cam sprocket locator pin has sheared, replace the engine assembly. If the engine does not start with the Camshaft Position sensor disconnected the follow published “Engine Cranks But Does Not Run” diagnosis in Service Information. Also perform an Engine Compression Test and Cylinder Leakage Test in Service Information documents all results. If the Service Information procedures above isolate an engine mechanical concern then removed to inspect for a sheared cam sprocket locator pin. If the cam sprocket locator pin has sheared, replace the engine assembly.
PIP5130J2018-02-21. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician how to diagnose and repair a vehicle with an engine that runs with an intermittent crank no start with a Diagnostic Trouble Code P0011 or P00C6 current or history. The Camshaft Position Actuator Solenoid Valve may be sticking or binding causing the valve timing to be retarded. Dealer will need to cycle the Camshaft Position Actuator Solenoid Valve by energizing it using Global Diagnostic System 2.
PIP55402018-02-21. Service bulletin. EQUIPMENT. This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components.
PIC6299A2018-01-16. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This Preliminary Information communicates several possibilities of what may be causing a fluctuating tachometer.
PIC5650D2018-01-16. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
PIP4578B2018-01-16. Service bulletin. ENGINE AND ENGINE COOLING. This PI was superseded to update model years and add information concerning idle surge, reduced engine power mode, and/or DTCs P0068, P0121, P1516, P2101, P2119, and/or P2176 that may be experienced on high mileage vehicles. Please discard PIP4578.
PIT5354B2018-01-16. Service bulletin. EQUIPMENT:ELECTRICAL. This Preliminary Information communication advises the technician how to determine if the vehicle is equipped with wireless fidelity. Technician should check the Regular Production Option Code list for (VV4).
PIC5491K2018-01-16. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. After the vehicle has powered down remove power to the OnStar module for five minutes. After the power has been removed for five minutes, if the OnStar system is working release the vehicle. If the OnStar system is still inoperative continue with published Service Information diagnostics.
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.
PIC5839D2018-01-16. Service bulletin. EQUIPMENT:ELECTRICAL. This Preliminary Information communication provides information to the technician about vehicles that may have a clock that is slow to update while driving when the clock auto set feature enabled. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle.
17-NA-2442017-12-22. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This informational bulletin provides information on Information on How to Prevent Inadvertent Vehicle Starting from Key Fob or OnStar Mobile Application and where to locate the information for future use.
17-NA-2422017-12-22. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This informational bulletin provides to the tech the new version of SPS that will prompt warnings when trying to reprogram modules that have been already reprogrammed.
17-NA-2392017-12-22. Service bulletin. PARKING BRAKE. This bulletin provides information on possible normal brake drag caused by sitting.
17-NA-2302017-12-22. Service bulletin. WHEELS. This informational bulletin provides information on mcgard wheel locks and if the key ever fractures that they will replace it via the website provided.
17-NA-1702017-12-22. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin explains the Road Force balancers and what they can do for customer concerns.

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