TSB PIT5985K — Chevrolet Service bulletin
PIT5985K is a service bulletin on file with NHTSA for the Chevrolet Corvette, 2020–2022 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. This PI provides diagnostics tips to dealership techs when trying to diagnose a CAN Bus communication issue after an event like a lightning strike, battery jump started backwards, failure over the air update, etc.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years PIT5985K names
| Vehicle | Model years |
|---|---|
| Chevrolet Corvette | 2020, 2021, 2022 |
Every document filed under PIT5985K
| Document ID | Filed | Type |
|---|---|---|
| PIT5985K | January 27, 2026 | Service bulletin |
Questions buyers ask
What is TSB PIT5985K?
PIT5985K is a service bulletin filed with NHTSA by Chevrolet, covering the Chevrolet Corvette across the 2020–2022 model years. NHTSA's summary reads: This PI provides diagnostics tips to dealership techs when trying to diagnose a CAN Bus communication issue after an event like a lightning strike, battery jump started backwards, failure over the air update, etc.
Which vehicles does PIT5985K cover?
NHTSA's file names Chevrolet Corvette (2020–2022). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.
Is TSB PIT5985K a recall, and is the repair free?
No. PIT5985K is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.
How do I get the full text of PIT5985K?
Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under PIT5985K, its date, and NHTSA's own summary from the public file.
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. This page lists only what NHTSA's manufacturer-communications file records under PIT5985K. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.