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Service bulletins for the 2018 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.

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

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By component

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
BS5463ER12024-04-30. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY. Failure of camera bracket will cause the camera to swing while bus is in motion.
BS5463E2023-12-22. Service bulletin. VISIBILITY; ELECTRICAL SYSTEM. Failure of camera bracket will cause the camera to swing while bus is in motion.
FT54332023-09-26. Service bulletin. ELECTRICAL SYSTEM. Support for infotainement displays may crack. Overhead Screen Display (for 40' buses)
FT54342023-09-26. Service bulletin. ELECTRICAL SYSTEM. Support for infotainement displays may crack. Overhead Screen Display (for 60' buses)
BS5320ER12023-04-03. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Fire light coming on in the dash, Fire detection system
FT52432023-02-25. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. ECP radiator failures deemed to be due to overpressure events.
APS5370E2023-02-24. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. The Delco-Remy alternator is obsolete. Air cooled ductless (Almott) alternator, power cable and hardware kit to replace the Delco-Remy oil-cooled alternator.
BS5320E2022-12-03. Service bulletin. ELECTRICAL SYSTEM. Fire light coming on in the dash. Addition of a bracket so water won’t drip on temperature sensor.
BS5210ER12022-04-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Horn may fail due to the low internal high heat resistance.
PC10332022-03-03. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING; EXTERIOR LIGHTING:HEADLIGHTS. Headlight Failure
BS5210E2022-03-03. Service bulletin. ELECTRICAL SYSTEM. Horn may fail due to the low internal high heat resistance.
BS5165ER12022-03-03. Service bulletin. ELECTRICAL SYSTEM. MCC Driver's Display Electrical Terminal Failure.
LI5185E2022-02-04. Service bulletin. ELECTRICAL SYSTEM. Cummins has issued a Temporary Repair Practice: TRP2484 – ECM Calibration for DEF Header Sensor Failures due to Parts Shortage TRP allowing temporary calibration of the engine ECM in the event of the DEF sensor failure and repeated error codes.
BS5146E2021-10-05. Service bulletin. ELECTRICAL SYSTEM; LATCHES/LOCKS/LINKAGES. Engine could crank when fuel door is open
bs51172021-07-01. Service bulletin. ELECTRICAL SYSTEM. The door alarm comes on when the air is released on the main door valve. The alarm does not reset/turn off even when the air is applied again.
BS4946E2021-05-04. Service bulletin. ELECTRICAL SYSTEM. Emergency Engine Stop Override switch on the Operator's Control Panel is missing.
LI4494E2021-03-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Engine compartment junction block scheduled maintenance. This document is an addendum to Nova Bus Maintenance Manual section 19-401, outlining the need to monitor the condition of junction blocks and correct when required.
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.
LI4995E2021-03-04. Service bulletin. ENGINE; ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Engine compartment junction block scheduled maintenance. This document is an addendum to Nova Bus Maintenance Manual section 19-401, outlining the need to monitor the condition of junction blocks and correct when required.
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.
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.
FT49362020-09-01. Service bulletin. ELECTRICAL SYSTEM. The battery beam/arm support located on the bottom of the battery compartment was not installed correctly and allowed the batteries to swivel past the beam and touch the stud. adjust location of the arm support, torque hardware to spec, confirm clearance
FT48902020-08-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Air Dryer Consep Valve Relay may stuck ON, causing the Consep Valve to stay energised and to overheat.
BS48182020-05-05. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Communication to the auxiliary heater cannot be done through the rear engine control box.
FT48352020-05-05. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Corrosion in the power cables that feed the Electric Cooling Package

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