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Service bulletins for the 2019 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.

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

By type

By component

Bulletins, newest first
FT4869R12021-04-02. Service bulletin. ENGINE AND ENGINE COOLING. Surge tank cover Chafing on Components
PC10202021-04-02. Service bulletin. SERVICE BRAKES, AIR. brakes standard repair
FT4389R12021-04-02. Service bulletin. EQUIPMENT. ITS Box Shelves Loose
FT50412021-04-02. Service bulletin. EQUIPMENT; STRUCTURE. Overhead Display Screen Weld Crack and Hardware Loose
FT50462021-04-02. Service bulletin. STRUCTURE; EQUIPMENT. Overhead Display Screen Weld Crack and Hardware Loose
FT50482021-04-02. Service bulletin. EQUIPMENT. Bracket for the front camera may break
LI3978E2021-03-04. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY. Information about the engine coolant. Coolant types should not be mixed in the engine.
FT4867R32021-03-04. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM; STEERING; EQUIPMENT. Hydraulic Level Sensor Defective, failures or intermittent Low hydraulic light coming on in service. Sensor failing intermittently this is the new stainless steel improved sensor. Replace sensor by Fozmula.
BS4848E2021-02-02. Service bulletin. ELECTRICAL SYSTEM. Corrosion problems at the junction bus bar used for the 24 volts power distribution between the alternator, the super capacitor and the electric fans of the ECP.
FT49492021-02-02. Service bulletin. ELECTRICAL SYSTEM. Throttle pedal not responding with Check Engine Light (CEL) turned on. Out Of Service (OOS) reports are issued with the Cummins 1242 Fault Codes (FC) recorded in the ECM, along with other Throttle Pedal Signal (TPS) codes.
LI5011E2021-02-02. Service bulletin. EQUIPMENT. Recommendations on the disinfection of vehicles as well as products and precautions to be taken.
FT4867R22021-01-05. Service bulletin. STEERING; STEERING:HYDRAULIC POWER ASSIST SYSTEM. Hydraulic level sensor defective
FT4997R12021-01-05. Service bulletin. SEATS; EQUIPMENT. Passengers seat back cracked inspection
LI4940ER12021-01-05. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. Water Intrusion in Rear Interior Electrical Compartment. From the exterior of the bus, it appears there is a gap between seal and the bus body.
FT4960R22020-11-04. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. Hydraulic level sensor defective
FT49502020-11-04. Service bulletin. STRUCTURE; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE. Engine door hinge becoming loose
LI4695ER12020-11-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Auxiliary heater Thermo 300 is discontinued. The Thermo Plus unit will replace the current unit only if the whole unit needs to be replaced. There is no need to retrofit any buses with the new Thermo Plus units. Replacement parts are available for the current Thermo/Thermo-S units already installed.
BS4934E2020-10-02. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. CAC elbow hose failures. Fiber material should be Woven Aramid Fabric, but some parts have knitted Aramid. Installation of new elbow.
FT49242020-09-01. Service bulletin. VISIBILITY. Curbside Exterior Mirror Water Intrusion
FT49352020-09-01. Service bulletin. EQUIPMENT. The VIP relay is part of the radio control system.Buses are out of service due to radio not working or p/a not working.
FT49262020-09-01. Service bulletin. STEERING. Drag links found loose after 35 to 45000 ml. Replace drag links.
FT49292020-09-01. Service bulletin. SERVICE BRAKES, AIR. Curb side front wheel air brake hose rubbing the inside of the wheel. FT4929 to inspect and fix buses.
FT49442020-09-01. Service bulletin. STRUCTURE. bolts in the rear canopy (under the radiator) are getting loose. The Canopy grid can not fall off the bus due to locking pins .
Ft4867R12020-09-01. Service bulletin. ENGINE AND ENGINE COOLING. failures or intermittent Low hydraulic light coming on in service. Removal of the Hydraulic Oil Level Sensor.
FT48922020-09-01. Service bulletin. ENGINE AND ENGINE COOLING. Fiber material should be Woven Aramid Fabric, but some parts have knitted Aramid. Install new elbow N75007 and discard the old one.

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