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Service bulletins for the 2020 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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
20NA2132020-11-30. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ENGINE AND ENGINE COOLING. This service bulletin provides information on Improved Oil Filter Gasket Design for Spin-On Oil Filters PF63, PF64 and PF48.
20NA1962020-11-30. Service bulletin. ELECTRICAL SYSTEM. This service bulletin provides information and a service procedure for dealers/technicians on OnStar Over the Air Update for TTY / TDD Operation and Continuous Improvement Changes.
20NA1792020-11-30. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE. This service bulletin provides a service procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTCs P0521 and/or P06DD Set.
20NA0422020-11-30. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM; ENGINE. This technical bulletin provides a service procedure to correct a customer concern of Fuel Gauge May Intermittently Display Erratic and/or Empty Readings and MIL with DTC P0462.
19NA0462020-11-30. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; WHEELS. This informational bulletin provides information for dealers, technicians and customers on the eLSD Wheel Slip Display in DIC.
17NA2712020-11-30. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; WHEELS. This bulletin provides a procedure to clean the back side of the rims and rotors and to correct the customers concern of wheel clicking.
17NA2392020-11-30. Service bulletin. SERVICE BRAKES. This bulletin provides information on possible normal brake drag caused by the vehicle parked for an extended period of time.
17NA0872020-11-30. Service bulletin. TIRES. This informational bulletin provides information on Characteristics of Wide Low Aspect Ratio Tires, Vehicle Pulls Left or Right, Wanders, Follows Depressions in Road Surface, Tramlining.
16NA0592020-11-30. Service bulletin. SERVICE BRAKES, AIR:DISC:CALIPER. This service bulletin provides information for cleaning the brake calipers that may have staining/discoloring on the paint of the brake caliper.
PIC6378A2020-11-16. Service bulletin. EQUIPMENT. This Preliminary Information communicates helpful information on diagnosing general customer concerns related to a power folding top.
PIP5752F2020-11-16. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and engine noise with possible of DTC P0300 P0106 P0506, Possible valve spring concern
PIC6391D2020-11-16. Service bulletin. SERVICE BRAKES, HYDRAULIC; ELECTRICAL SYSTEM. This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, CT5 and Chevrolet Corvette Electronic Brake Boost Control Module and Valve Kit, Brake Pressure Modulator.
PIP5752E2020-11-16. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and engine noise with possible of DTC P0300 P0106 P0506, Possible valve spring concern
PIP5752D2020-11-16. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and engine noise with possible of DTC P0300 P0106 P0506, Possible valve spring concern
PIP57592020-11-16. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates 6.2L engine restriction, Contact TAC
PIC6390B2020-11-16. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates a parts restriction is in place for the Central Gateway Module on 2020 Cadillac CT4, CT5, and Chevrolet Corvette.
PIP5752C2020-11-16. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and engine noise with possible of DTC P0300 P0106 P0506, Possible valve spring concern
PIP5752B2020-11-16. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and engine noise with possible of DTC P0300 P0106 P0506, Possible valve spring concern
PIP57572020-11-16. Service bulletin. POWER TRAIN. This Preliminary information communicates an anomaly in the transmission control module to erroneously set diagnostic trouble codes.
PIC6407D2020-11-16. Service bulletin. EQUIPMENT. This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, CT5 and Chevrolet Corvette Amplifier.
PIP5709E2020-11-16. Service bulletin. POWER TRAIN. This Preliminary information communicates the transmission used in the 2020 Corvette is on exchange with the supplier for early root cause analysis.
PIP5733E2020-11-16. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history. Under Investigation
110089005P2020-10-26. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
20NA1572020-10-26. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF.
18NA3062020-10-26. Service bulletin. EQUIPMENT; STRUCTURE:BODY. This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only).

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