Service bulletins for the 2023 NovaBUS LFS
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
39 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Engine are shown. Show all
| BS5571E | 2024-04-30. Service bulletin. ENGINE AND ENGINE COOLING. The HVAC generator engine pulley has bolts that are too long. |
|---|---|
| BS5580E | 2024-04-30. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. One fire suppression system pipe may be installed backwards and interfere with an alternator cable, creating friction that could damage one or both components. |
| BS5572E | 2024-03-29. Service bulletin. ENGINE AND ENGINE COOLING; UNKNOWN OR OTHER. Water Sensor in E-Steering Compartment. |
| BS5572E | 2024-03-29. Service bulletin. UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING. Water Sensor in E-Steering Compartment. |
| FT5554 | 2024-03-04. Service bulletin. ENGINE AND ENGINE COOLING. The Cabin Coolant Level Sensors for the LOW and HIGH levels are swapped. |
| FT5531R1 | 2024-02-24. Service bulletin. ENGINE AND ENGINE COOLING. Oil level creating different issues, Cummins recommendation following few parts issues. |
| FT5539 | 2024-02-24. Service bulletin. ENGINE AND ENGINE COOLING. Buses logging cabin and engine coolant pressure codes as reported by Clever Device. |
| BS5532E | 2024-01-31. Service bulletin. ENGINE AND ENGINE COOLING. Grid heater cable loose due to workmanship issues. |
| FT5531 | 2024-01-31. Service bulletin. ENGINE AND ENGINE COOLING. Oil level creating different issues in service. Cummins recommendation following few parts issues in service. |
| BS5490E | 2024-01-20. Service bulletin. ENGINE AND ENGINE COOLING. Fuse holder for the electric cooling fans require an improve protection against road debris. |
| FT5517 | 2023-12-23. Service bulletin. ENGINE AND ENGINE COOLING. Grid heater cable loose due to workmanship issues. |
| BS5530E | 2023-12-23. Service bulletin. ENGINE AND ENGINE COOLING. Flag Terminal Hole is too Large for Terminal Stud. |
| BS5511E | 2023-12-22. Service bulletin. ENGINE AND ENGINE COOLING. The EGR cooling hose N95062-48 is not rated for the engine compartment temperature. Under certain conditions the EGR cooling hose may crack and cause coolant leak. |
| BS5320ER1 | 2023-04-03. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Fire light coming on in the dash, Fire detection system |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.