TSB PIT6393K — Chevrolet Service bulletin
PIT6393K is a service bulletin on file with NHTSA for 2 Chevrolet models, 2024–2027 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years PIT6393K names
| Vehicle | Model years |
|---|---|
| Chevrolet Bolt EV | 2027 |
| Chevrolet Equinox | 2024 |
Every document filed under PIT6393K
| Document ID | Filed | Type |
|---|---|---|
| PIT6393K | April 28, 2026 | Service bulletin |
Questions buyers ask
What is TSB PIT6393K?
PIT6393K is a service bulletin filed with NHTSA by Chevrolet, covering 2 Chevrolet models across the 2024–2027 model years. NHTSA's summary reads: This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.
Which vehicles does PIT6393K cover?
NHTSA's file names Chevrolet Bolt EV (2027); Chevrolet Equinox (2024). 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 PIT6393K a recall, and is the repair free?
No. PIT6393K 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 PIT6393K?
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 PIT6393K, 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 PIT6393K. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.