2020 Chevrolet Corvette problems, complaints & recalls
Most-reported problem areas: Structure:body (8) · Visibility/Wiper (4) · Power Train (4)
🧭 Reliability snapshot
Compared against other Chevrolet Corvette model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (4)
Seat Belts:front:retractor 2020-09-24 · campaign 20V581000 · 5 vehicles
Defect: General Motors LLC (GM) is recalling certain 2020 Chevrolet Corvette vehicles. The driver's seat belt retractor may not lock as intended during a crash.
Risk: In the event of a crash, if the driver's seat belt fails to lock, there is an increased risk of injury.
Fix: GM will notify owners, and dealers will replace the driver's side seat-belt retractor, free of charge. The recall began October 15, 2020. Owners may contact GM customer service at 1-866-522-9559. GM's number for this recall is N202307690.
Service Brakes 2020-09-24 · campaign 20V588000 · 3,677 vehicles
Defect: General Motors LLC (GM) is recalling certain 2020 Chevrolet Corvette and Cadillac CT4, CT5 and XT4, 2021 Chevrolet Trailblazer, and 2020-2021 Buick Encore GX vehicles. Sensor connection contamination in the electronic brake boost system may cause an interruption of communication between the sensor and the brake boost system.
Risk: If communication with the sensor is interrupted, the electronic brake boost assist could be lost. Extra pedal force will be required to slow and stop the vehicle, increasing the risk of a crash.
Fix: GM will notify owners, and dealers will replace the electronic brake boost module, free of charge. The recall began December 9, 2020. Owners may contact Chevrolet customer service at 1-800-630-2438, Cadillac customer service at 1-800-333-4223, or Buick customer service at 1-800-521-7300. GM's number for this recall is A202307260.
Electrical System:software 2020-08-18 · campaign 20V489000 · 7,071 vehicles
Defect: General Motors LLC (GM) is recalling certain 2020 Chevrolet Corvette vehicles. Despite visual and audible warnings, the vehicle can be driven with the front trunk lid unlatched.
Risk: An unlatched hood can open when driving above a certain speed, obstructing the driver's forward view and increasing the risk of a crash.
Fix: GM will notify owners, and dealers will update the software in the vehicle's Body Control Module to limit the vehicle speed to 26 mph when the hood is not completely closed and latched, free of charge. In addition, the operation of the hood release on the key fob will be modified to reduce the likelihood of inadvertent hood release actuations. Owners also may allow the vehicle to be remedied via an Over-The-Air (OTA) software update. The recall began September 24, 2020. Owners may contact GM
Electrical System:software 2020-08-06 · campaign 20V461000 · 5,141 vehicles
Defect: General Motors LLC (GM) is recalling certain 2020 Chevrolet Corvette vehicles. The release button located inside the front trunk compartment may not function after the vehicle has been shut off for ten minutes. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 401, "Internal Trunk Release."
Risk: If a person climbs inside the front trunk compartment and closes the lid, they may be trapped inside, increasing the risk of injury.
Fix: GM will notify owners, and dealers will update the software in the vehicle's Body Control Module (BCM) to allow the release switch to always work, free of charge. Owners also may allow the vehicle to be remedied via an Over-The-Air (OTA) software update. The recall began September 3, 2020. Owners may contact GM customer service at 1-866-522-9559. GM's number for this recall is N202309350.
Service bulletins (923)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Unknown Or Other 2026-09-26 · PIT5698F · Service Bulletin/Repair Instructions
this pi provides diagnostics tips on how the lin bus works and how to diagnosis it.
Unknown Or Other 2026-09-04 · PIP4902W · Service Bulletin/Repair Instructions
this preliminary information advises a dealer on how to email gds2 session logs into technical assistance.
Unknown Or Other 2026-09-01 · N252541251-02 · 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 wireless over-the-air
Unknown Or Other 2026-08-05 · N252541251-01 · 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 wireless over-the-air
Unknown Or Other 2026-07-21 · PIT5099J · Service Bulletin/Repair Instructions
pi to help diagnose a/c concern
Unknown Or Other 2026-05-21 · PIT6215C · Service Bulletin/Repair Instructions
this preliminary information communicates to dealership technicians that if they encounter a customer vehicle with this concern, to perform the steps listed and should be able to reprogram the module and correct this.
Showing the 6 most recent of 923 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-07-09 · Engine And Engine Cooling“see attached document for complaint.…”
2026-06-08 · Unknown Or Other · 💥 crash“my left rear axel/rear differential/ control arm snapped with normal driving and breaking. it is available for inspection. this mechanical failure made me loose control of my vehicle on the busy freeway and threw me across a lane into the freeway center divider. nearly caused a pile up accident and killed me.. the dealership service department …”
2026-05-12 · Power Train“the dual clutch transmission on my 2020 c8 corvette has a diagnostic code of p1955. this was determined after the service light on the vehicle illuminated and it was taken to service at the dealership. other codes that stored included p0868 and p0869 which indicate low hydraulic pressure and high hydraulic pressure respectively. the p1955 code i…”
2026-01-14 · Visibility/Wiper“we have a water leak that was coming in both windows and onto the floor. since reported it the car will slow down while driving because of codes issues about the doors are not closed and it is. i feel it's due to the water leak that is coming into the car. took the car to a chevrolet dealer in columbia south carolina and they said it was coming fr…”
2026-01-07 · Unknown Or Other“the ac compressor has had to be replaced twice since new ownership ( 38k miles now) the compressor blows apart at higher rpm causing car to be towed would need to contact dealer for exact dates …”
2026-01-04 · Electrical System“backup camera is intermittent. i have ain’t it to the dealership 3 times and they can replicate the issue consistently. they have scan the car for codes and seen the issue in person …”
2025-09-03 · Electrical System · 40,000 mi“the contact's son owns a 2020 chevrolet corvette. the contact stated that while her son was driving 65 mph, the oil temperature and check engine warning lights illuminated; however, the driver was able to safely drive to the destination. upon leaving and attempting to start the vehicle, the vehicle failed to start. the vehicle was towed to the deal…”
2025-07-03 · Electrical System“rear back up camera becomes unresponsive randomly, causing it to become unsafe when backing up …”
2025-02-20 · Wheels“i replaced the battery in my c8 corvette after three years of ownership. upon removing the plastic cover from the frunk to access the battery, i discovered the two front strut mounts. to my dismay, i noticed excessive corrosion on both strut mounts, with the left side near an ac compressor line being considerably worse. i immediately took the car …”
2025-01-20 · Unknown Or Other“periodically the instrument cluster(speed, tach and other gauges) goes black. when this happens you have know knowledge of any information about the vehicle speed, etc.. this lasts a variety length of times, but no longer that about 1minute. the instrument cluster then reappears, but usually will go out again in a few minutes. a message appears, "s…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.