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Service bulletins for the 2022 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.

59 on file from NHTSA, as of 2026-10-19.

By type

By component

Bulletins, newest first
BS5571E2024-04-30. Service bulletin. ENGINE AND ENGINE COOLING. The HVAC generator engine pulley has bolts that are too long.
BS5578E2024-04-30. Service bulletin. STRUCTURE. The rear door operator is missing one bolt and washer.
BS5580E2024-04-30. 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.
FT5575E2024-04-30. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE. Rear Door Electrical Operator. Incorrectly adjusted door stops could mislead the system by indicating incomplete closure of the door.
BS5572E2024-03-29. Service bulletin. ENGINE AND ENGINE COOLING; UNKNOWN OR OTHER. Water Sensor in E-Steering Compartment.
BS5572E2024-03-29. Service bulletin. UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING. Water Sensor in E-Steering Compartment.
BS5438E2024-03-29. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM:PROPULSION SYSTEM: CABLES:FASTENER/CONNECTOR; POWER TRAIN. Restricted access to the Modular Propulsion Control System (MPCS) makes decommissioning difficult and presents a risk of damaging the HV cables during handling or testing.
FT55672024-03-29. Service bulletin. ELECTRICAL SYSTEM. Battery Unbalanced Light Logic with AGM Battery.
FT55452024-03-29. Service bulletin. STRUCTURE; VISIBILITY. The Driver’s Barrier stationary glass is breaking in service due to possible metal to glass contact on the lower supports.
BS5551E2024-03-04. Service bulletin. EXTERIOR LIGHTING. Headlight bezel adjustment screw may interfere with HIVIS frame.
FT55542024-03-04. Service bulletin. ENGINE AND ENGINE COOLING. The Cabin Coolant Level Sensors for the LOW and HIGH levels are swapped.
BS5506E2024-02-24. Service bulletin. ELECTRICAL SYSTEM. Battery door slam latch, due to a shortage, N620000263 was installed as an alternative to temporarily replace N81288.
BS5450E2024-02-24. Service bulletin. ELECTRICAL SYSTEM. LED strip (N105390) was installed without seals in the plug.
FT5531R12024-02-24. Service bulletin. ENGINE AND ENGINE COOLING. Oil level creating different issues, Cummins recommendation following few parts issues.
BS5540E2024-02-24. Service bulletin. POWER TRAIN. P-clamps holding the transmission coolant pipes can break.
FT55392024-02-24. Service bulletin. ENGINE AND ENGINE COOLING. Buses logging cabin and engine coolant pressure codes as reported by Clever Device.
FT55342024-02-01. Service bulletin. ELECTRICAL SYSTEM. The ground of the IVN unit (Intelligent Vehicle Network) could be connected to the wrong place.
FT55312024-01-31. Service bulletin. ENGINE AND ENGINE COOLING. Oil level creating different issues in service. Cummins recommendation following few parts issues in service.
BS5490E2024-01-20. Service bulletin. ENGINE AND ENGINE COOLING. Fuse holder for the electric cooling fans require an improve protection against road debris.
BS5468E2024-01-04. Service bulletin. STRUCTURE. Driver barrier door stanchion hardware loose, missing, or broken.
FT55092024-01-02. Service bulletin. STRUCTURE; VISIBILITY:GLASS, SIDE/REAR. The Driver’s Barrier stationary glass is breaking in service due to possible metal to glass contact on the lower supports. The glass must have a minimum of 3mm gap all around the supports.
BS5530E2023-12-23. Service bulletin. ENGINE AND ENGINE COOLING. Flag Terminal Hole is too Large for Terminal Stud.
BS5511E2023-12-22. 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.
FT55352023-12-22. Service bulletin. ELECTRICAL SYSTEM. Consat programation was not completed.
BS5497E2023-12-22. Service bulletin. ELECTRICAL SYSTEM. Communication System Cavity plugs missing in 2 Ethernet switches.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.