Chevrolet Corvette 2015–2018 — technical service bulletin
Bulletin N202302720 · NHTSA communication 10187347 · issued Dec 17, 2020
Technical service bulletin
communication type
Power Train
component
2015–2018
model years
4
vehicle entries
Official summary
Special Coverage. Certain vehicles may have a condition where the vehicle may overheat and enter a reduced power mode when driven on a track at sustained high speeds in high ambient temperatures. Dealers are to install an updated radiator package and, for automatic transmission vehicles, updated shift-point calibration software. The repairs will be made at no charge to the customer. The customer must provide evidence of an overheating condition in the form of one of the following: Diagnostic Trouble Code, photos, or videos. The dealer should make a copy of any customer evidence provided and fi
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.