# Service bulletins for the 2021 NovaBUS LFS Artic

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.

6 bulletins from NHTSA, as of 2026-10-19.

- [LI5427E](/bulletins/10247614.md), 2023-12-22, Service bulletin: ENGINE AND ENGINE COOLING. Improved durability of engine\-side heat exchanger hoses.
- [BS5320ER1](/bulletins/10233268.md), 2023-04-03, Service bulletin: ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Fire light coming on in the dash, Fire detection system
- [BS5318E](/bulletins/10228243.md), 2022-12-26, Service bulletin: POWER TRAIN. Dipstick does not reflect the correct Oil level in the transmission
- [FT5323](/bulletins/10228242.md), 2022-12-26, Service bulletin: ELECTRICAL SYSTEM. The decal inside the \+IB panel shows wrong position of relay boards
- [BS5320E](/bulletins/10227046.md), 2022-12-03, Service bulletin: ELECTRICAL SYSTEM. Fire light coming on in the dash. Addition of a bracket so water won’t drip on temperature sensor.
- [FT5253](/bulletins/10210968.md), 2022-05-05, Service bulletin: ENGINE AND ENGINE COOLING; EQUIPMENT. 5 hoses and 10 clamps need the torque to be validated

JSON: [/v1/vehicles/2021_novabus_lfs-artic/bulletins](/v1/vehicles/2021_novabus_lfs-artic/bulletins)

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