Thomas Built Buses service campaign SF711
What it saysRevised Field Service Campaign for Automatic Low Voltage Disconnect Switch NHTSA’s full summary ↓
Thomas Built Buses filed this with NHTSA as a service campaign dated Apr 3, 2025, received Jan 29, 2025, about the electrical system — 5 documents under this number: SF711-DLR LTR (2 filings), SF711-Bulletin (2 filings), SF711-OWN LTR. It names 6 model years (2021–2026). A service campaign is not a safety recall — there is no NHTSA campaign number and no federal requirement — but it is usually work the manufacturer pays for on the vehicles it names; the dealer checks the VIN against the manufacturer’s list.
What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationRevised Field Service Campaign for Automatic Low Voltage Disconnect Switch
Documents filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| SF711-DLR LTR | Service campaign | Apr 3, 2025 | 11017551 | PDF, 4,781 KB |
| SF711-Bulletin | Service campaign | Apr 3, 2025 | 11017535 | PDF, 4,781 KB |
| SF711-OWN LTR | Service campaign | Jan 24, 2025 | 11013226 | PDF, 4,667 KB |
| SF711-DLR LTR | Service campaign | Jan 24, 2025 | 11013225 | PDF, 4,667 KB |
| SF711-Bulletin | Service campaign | Jan 24, 2025 | 11013212 | PDF, 4,667 KB |
The summary is NHTSA’s abstract of the document, as filed under 49 CFR 579.5. One communication is usually filed as several documents — the bulletin, a dealer notice, an owner letter — and the number on any of them finds this page. A PDF link is shown only once NHTSA’s own server has been seen to serve that document; the rest are checked over the following nights. Quote the number at a service desk; it is what the dealer’s system is keyed on.
Model years it names
Source: as the manufacturer filed themAlso filed against: 2021 Thomas Built Buses SAF-T-Liner C2 Jouley; 2022 Thomas Built Buses SAF-T-Liner C2 Jouley; 2023 Thomas Built Buses SAF-T-Liner C2 Jouley; 2024 Thomas Built Buses SAF-T-Liner C2 Jouley; 2025 Thomas Built Buses SAF-T-Liner C2 Jouley; 2026 Thomas Built Buses SAF-T-Liner C2 Jouley.
None of these model years has a page on this site (it covers EPA-certified cars, trucks and SUVs from 2016), so the bulletin is listed here on its own.

Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Thomas Built Buses, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Thomas Built Buses SF711 a recall?
No. A service campaign is a manufacturer communication filed with NHTSA under 49 CFR 579.5; a safety recall carries an NHTSA campaign number (two digits, a letter, six digits) and a federal duty to repair for free. Check the vehicle’s recalls by VIN at nhtsa.gov/recalls.
Is the SF711 repair free?
A service campaign is usually paid by the manufacturer on the vehicles it names, within the terms and time limit the document sets; the dealer checks the VIN against the manufacturer’s list.
Which vehicles does SF711 cover?
The manufacturer filed it against 6 model years: 2021 Thomas Built Buses SAF-T-Liner C2 Jouley, 2022 Thomas Built Buses SAF-T-Liner C2 Jouley, 2023 Thomas Built Buses SAF-T-Liner C2 Jouley, 2024 Thomas Built Buses SAF-T-Liner C2 Jouley, 2025 Thomas Built Buses SAF-T-Liner C2 Jouley, 2026 Thomas Built Buses SAF-T-Liner C2 Jouley. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.