TSB PIT5966F — Buick, Cadillac, Chevrolet and GMC Service bulletin
PIT5966F is a service bulletin on file with NHTSA for 21 Buick, Cadillac, Chevrolet and GMC models, 2021–2026 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years PIT5966F names
Every document filed under PIT5966F
| Document ID | Filed | Type |
|---|---|---|
| PIT5966F | June 23, 2026 | Service bulletin |
Questions buyers ask
What is TSB PIT5966F?
PIT5966F is a service bulletin filed with NHTSA by Buick, Cadillac, Chevrolet and GMC, covering 21 Buick, Cadillac, Chevrolet and GMC models across the 2021–2026 model years. NHTSA's summary reads: This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
Which vehicles does PIT5966F cover?
NHTSA's file names Buick Enclave (2021–2026); Cadillac Escalade (2021–2026); Chevrolet Blazer (2021–2026); Chevrolet Bolt EV (2021–2023); Chevrolet Camaro (2021–2024); Chevrolet Colorado (2021–2026); Chevrolet Corvette (2021–2025); Chevrolet Equinox (2021–2026); Chevrolet Malibu (2021–2025); Chevrolet Silverado 1500 (2021–2026), and 11 more vehicles listed on this page. 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 PIT5966F a recall, and is the repair free?
No. PIT5966F 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 PIT5966F?
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 PIT5966F, 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 PIT5966F. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.