Chevrolet Corvette TSBs — Technical Service Bulletins by Year

24,751 manufacturer communications are on file with NHTSA for the Chevrolet Corvette — service bulletins, service campaigns, warranty extensions, and software updates, 1990 to 2025. Pick a year for its bulletin list.

A TSB is factory repair guidance, not a recall — the repair is not automatically free. For defects and free repairs, see the Chevrolet Corvette problem rankings and each year's recall list.

24,751Communications on file
36Model years covered
38Campaigns & extensions

Warranty extensions, campaigns & software updates

The communications worth checking your VIN against — unlike ordinary bulletins, these can mean free or reimbursed work if your vehicle qualifies.

Service campaign N252541251-01 August 5, 2026 Service campaign

Certain vehicles listed above may have a condition in which drivers may not be notified of a rear turn-signal lamp failure. GM will update software calibrations in the vehicle’s exterior lighting control module. For vehicles that are capable of receiving software changes using…

Model years named: 2020, 2021, 2024

Software update 662.20 July 16, 2026 Software update

• Fixes to help ensure successful vehicle software updates. • Improves how center display adjusts to lighting changes. • Improved warnings when a key is missing. • Better tuning for interior lighting in Stealth mode. Improvements to automatic low beam headlamp logic. • Smoother…

Model years named: 2024

Software update 662.10 July 16, 2026 Software update

• Improvements to OnStar through enhancements for charging, Super Cruise, remote start, and collision notification. • Fixes to address connectivity issues.

Model years named: 2024

Software update 662.30 July 16, 2026 Software update

• Improvements to audio system performance. • Fixes to help ensure proper functionality for the center display

Model years named: 2024

Electrical N252541251 July 15, 2026 Service campaign

Certain vehicles listed above may have a condition in which drivers may not be notified of a rear turn-signal lamp failure. GM will update software calibrations in the vehicle’s exterior lighting control module. For vehicles that are capable of receiving software changes using…

Model years named: 2024

Software update 662.30 June 25, 2026 Software update

• Improvements to audio system performance. • Fixes to help ensure proper functionality for the center display

Model years named: 2025

Software update 662.30 June 24, 2026 Software update

• Fixes to help ensure successful vehicle software updates. • The active cabin ventilation feature will operate more reliably. • Additional protection for the health of your battery and updates to help prevent excessive battery drain and overheating. • Improvements to provide…

Model years named: 2025

Software update 662.10 June 23, 2026 Software update

• Improvements to OnStar through enhancements for charging, Super Cruise, remote start, and collision notification. • Fixes to address connectivity issues.

Model years named: 2025

Software update 661.20 March 2, 2026 Software update

• Improvements to availability of Lane Keep Assist. • Fixes to help ensure safety features remain functional when windshield freezes. • Fixes to diagnostics that impact Automatic Emergency Braking indicator. • Improvements to audio system performance. • Fixes to help ensure…

Model years named: 2024, 2025

Software update 625.41 December 4, 2025 Software update

• Improvements to availability of Lane Keep Assist. • Fixes to help ensure safety features remain functional when windshield freezes. • Fixes to diagnostics that impact Automatic Emergency Braking indicator. • Fixes to help protect battery life. • Fixes to help prevent loss of…

Model years named: 2024, 2025

Software update 624.30 August 29, 2025 Software update

Software Update GM 624.30 • Improves frunk latching performance in cold temperatures. • Improves fuel range accuracy in shuttle mode • Improves Check Engine Light accuracy • Improves center display adjustment to ambient lighting changes. • Improves warnings when a key is…

Model years named: 2024

Software update 625.30 August 29, 2025 Software update

Software Update GM 625.30 • Improves Check Engine Light accuracy • Improves center display adjustment to ambient lighting changes. • Improves warnings when a key is missing. • Improves tuning for interior lighting in Stealth mode. • Improves automatic low beam headlamp logic. •…

Model years named: 2025

Bulletins by model year

YearTSBsMost bulletined areas
2025 301 Electrical, Engine View bulletins
2024 485 Electrical, Engine View bulletins
2023 644 Electrical, Engine View bulletins
2022 677 Electrical, Engine View bulletins
2021 766 Electrical, Engine View bulletins
2020 921 Electrical, Engine View bulletins
2019 787 Engine, Transmission & drivetrain View bulletins
2018 1,007 Engine, Electrical View bulletins
2017 1,266 Engine, Electrical View bulletins
2016 1,459 Engine, Electrical View bulletins
2015 1,818 Engine, Electrical View bulletins
2014 1,984 Electrical, Engine View bulletins
2013 1,433 Electrical, Engine View bulletins
2012 1,379 Electrical, Engine View bulletins
2011 1,301 Electrical, Engine View bulletins
2010 1,258 Electrical, Engine View bulletins
2009 1,088 Electrical, Engine View bulletins
2008 1,029 Electrical, Engine View bulletins
2007 952 Electrical, Engine View bulletins
2006 829 Electrical, Engine View bulletins
2005 712 Electrical, Engine View bulletins
2004 480 Electrical, Engine View bulletins
2003 456 Engine, Electrical View bulletins
2002 430 Engine, Electrical View bulletins
2001 402 Engine, Electrical View bulletins
2000 359 Engine, Electrical View bulletins
1999 151 Transmission & drivetrain, Engine View bulletins
1998 152 Transmission & drivetrain, Engine View bulletins
1997 134 Transmission & drivetrain, Engine View bulletins
1996 30 Transmission & drivetrain, Electrical View bulletins
1995 32 Transmission & drivetrain, Electrical View bulletins
1994 10 Engine, Transmission & drivetrain View bulletins
1993 6 Transmission & drivetrain, Engine View bulletins
1992 5 Transmission & drivetrain, Engine View bulletins
1991 4 Transmission & drivetrain, Visibility & wipers View bulletins
1990 4 Transmission & drivetrain, Visibility & wipers View bulletins

Questions buyers ask

How many TSBs does the Chevrolet Corvette have?

NHTSA's manufacturer-communications file lists 24,751 technical service bulletins and related communications for the Chevrolet Corvette across the 1990–2025 model years. The most bulletined areas are electrical, engine, transmission & drivetrain.

Are Chevrolet Corvette TSB repairs free?

Not automatically. A TSB tells dealers how to fix a known pattern; you pay unless the vehicle is under warranty or the bulletin is a warranty extension or service campaign that covers your VIN. Recall repairs, by contrast, are always free.

How do I get the full text of a Chevrolet Corvette TSB?

Take the bulletin's document ID to a dealer or to NHTSA's site — this page carries each communication's ID, date, and NHTSA's summary from the public file.

Data updated 2026-08-20 from NHTSA's public records

Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. Counts cover communications NHTSA's file names against Chevrolet Corvette model years shown here. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.