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Service bulletin N202314260

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10183227
Published by NHTSA2020-11-30
Manufacturer's numberN202314260
Manufacturer's date2020-10-20
NHTSA componentSTRUCTURE:BODY:HOOD:HINGE AND ATTACHMENTS; ELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

Service Update - certain vehicles may have a condition when the front trunk is open and the vehicle speed is above 1.8 mph / 3 km/h the DIC message may indicate ?Hood Open Speed Limited to 26 MPH? or ?Hood Open Speed Limited to 82 MPH? depending on the level of software present in the vehicle. Dealers will reprogram the instrument panel cluster control module.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Body and frame, Electrical system, Software

Vehicles listed
CHEVROLET CORVETTE2020

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20V4890002020-08-18. ELECTRICAL SYSTEM:SOFTWARE; STRUCTURE:BODY:TRUNK LID
20V4610002020-08-06. ELECTRICAL SYSTEM:SOFTWARE; LATCHES/LOCKS/LINKAGES:TRUNK LID:LOCK

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
24-NA-0662024-04-10. Service bulletin. This service bulletin provides repair information for technicians that may be Unable to Complete Serial Data Authentication on the vehicle.
20-NA-1322024-04-05. Service bulletin. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
PIT5762F2023-02-13. Service bulletin. This Preliminary information communicates an issues with false codes setting in vehicles due to timing issues between the modules.
PIP5632G2023-01-30. Service bulletin. This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
PIP4902Q2023-01-30. Service bulletin. This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
PIT5832D2022-12-12. Service bulletin. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
PIT5832C2022-10-17. Service bulletin. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
N2023196602020-12-21. Service bulletin. Service Update. Certain vehicles may present a broken engine valve spring. This may cause the engine to run rough, an engine knocking or ticking noise, a check engine light illumination, or a possible vehicle stall. Dealers are to perform the inspection procedure contained within this bulletin.