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Service bulletins for the 2017 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.

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

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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.
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 The Delco-Remy alternator is obsolete.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.
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.
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
BS3517ER12021-05-24. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; ELECTRICAL SYSTEM; EQUIPMENT. Replacement of 24-volt and HVAC cables in EGS Justify cable lugs may break.
BS3515ERR12021-05-24. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Replacement of 24-volt and HVAC cables in EGS Justify Cable lugs may break.
BS3310ER22021-05-24. Service bulletin. ELECTRICAL SYSTEM; VEHICLE SPEED CONTROL:CABLES; EQUIPMENT. Sensor supply (TPS2) cable replacement - Justification Cummins code 1242 for accelerator interlock circuit.
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.
LI4910ER12021-01-05. Service bulletin. ELECTRICAL SYSTEM. High ambient temperature on exhaust side (after-treatment area) may cause Wiring Harness Assembly 64 wires and connectors to become brittle and fail.
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
LI4910E2020-08-05. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Under certain condition (high temperature in southern state) combine with the engine compartment high ambient temperature near the exhaust side may cause the exhaust harness wires and connector to become brittle and fail.
LI4462ER22020-08-05. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN:CLUTCH ASSEMBLY:PEDAL/HAND LEVER(MOTORCYCLE). Throttle pedal comunication cable may be affected by noise infiltration and Cummins ecu will record code 1242
FT48192020-05-05. Service bulletin. UNKNOWN OR OTHER; LATCHES/LOCKS/LINKAGES; ELECTRICAL SYSTEM. Interlock pressure transducer failure
FT48052020-04-13. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Delco 450 Amp Alternator internal failure
FT4705R12020-04-13. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. Bike Rack Icon not working correctly

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