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This bulletin applies to 2014-2019 Chevy Corvette models. A customer may inquire if Chevrolet’s dual mode performance exhaust system (OEM option code RPO NPP) can be added to a Stingray that was originally produced without the option. 

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Vetter Cold Air Upgrade

This bulletin applies to 2014-2019 Chevy Corvette vehicles. Some customers may comment on interference at the hood air extractor and/or hood blanket after the installation of the Performance Cold Air Intake.

Vette Coolant

This bulletin applies to 2016-2018 Chevy Corvettes equipped with a 6.2L LT1 or LT4 engine. A vehicle may have a concern with coolant loss and/or coolant odor after driving the vehicle.

Vette Air Bag Recall

General Motors is recalling certain 2019 Corvette ZR1 models. Hard braking or acceleration may cause the sensing diagnostic module (SDM) to enter a fault state.

Flamethrower Vette

In certain 2019 Corvettes equipped with a 6.2L supercharged engine, a fuel injector may be commanded on for 7.5 seconds when exiting deceleration fuel cutoff, causing the engine to misfire.

Corvette Cough

This bulletin applies to 2016-2019 Chevy Corvette models equipped with LT1 or LT4 engines. If the SES lamp is on and the engine experiences misfires, and DTC P0300, P0308 or any cylinder numbers in-between are set, inspect for a possible loose spark plug wire at the ignition coil.

Vette Brake Rotor Change

This bulletin applies to brake pulsation issues on 2014-2016 Corvettes equipped with the heavy-duty brake system (RPO J55). Customers may comment about a pulsation and/or vibration when applying the brakes.

Vette Relearn

Owners of 2015 - 2016 Corvette Z06 models may comment about a MIL on with a DIC message. Technicians may find DTC P2227 set in history, and the service procedure diagnostics do not repair the vehicle. An outdated calibration is causing false fails in certain vehicles.

Funky Flexplate

Owners of 2014-2016 Chevy Corvettes equipped with a 6.2L LT1 or LT4 engine and automatic transmission may comment about a rattle noise heard from the bell housing area. If service manual diagnosis does not isolate the noise, the culprit may be the flexplate due to distortion or cracking.

Vette Airflow DTC

This bulletin applies to 2005-2013 Chevy Corvettes (including Z08). The check engine light may be on, with DTC P0171 and/or P0174 set in history or current. If air flow to the air intake/air cleaner assembly is disturbed, these DTCs may be induced.