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Service bulletins for the 2020 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.

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

By type

By component

By topic

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

Bulletins, newest first
FT55672024-03-29. Service bulletin. ELECTRICAL SYSTEM. Battery Unbalanced Light Logic with AGM Battery.
FT55502024-03-29. Service bulletin. ELECTRICAL SYSTEM. The Parker PHD70 display might freeze or not work properly.
BS5543E2024-02-24. Service bulletin. ELECTRICAL SYSTEM. Battery tray structure cracks due to thin sheet metal.
FT55362023-12-22. Service bulletin. ELECTRICAL SYSTEM. Battery Tray Structure Cracks. Battery hold downs may slip between batteries.
FT54652023-10-29. Service bulletin. ELECTRICAL SYSTEM. Erroneous Fault Codes reporting on the AVM System of Clever Devices.
FT54372023-06-19. Service bulletin. ELECTRICAL SYSTEM. The supplier Lift-U recommends the addition of a detection delay to prevent wrong fault code in the AVM.
BS5320ER12023-04-03. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Fire light coming on in the dash, Fire detection system
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 The Delco-Remy alternator is obsolete.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.
FT53212023-02-03. Service bulletin. STRUCTURE; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. The anchor bolt of one of the auxiliary heater high voltage cable retaining collar may come into contact with one of the coolant pipes under certain conditions.
BS5322E2023-02-03. Service bulletin. STRUCTURE; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. The anchor bolt of one of the auxiliary heater high voltage cable retaining collar may come into contact with one of the coolant pipes under certain conditions.
FT5294E2023-02-01. Service bulletin. ELECTRICAL SYSTEM. Secure wiring and add wiring protection to avoid chafing/abrasion of wiring harness of the E-compressor.
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.
LI5315E2022-10-27. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. On the Thermo King HVAC roof unit, after replacing the actuator N8897109, some customers could see the error code 36.
FT5298R12022-10-03. Service bulletin. ELECTRICAL SYSTEM. Issue with the Fast Idle function
FT52732022-06-30. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Bitzer AC compressor electrical failure
LI5164E2022-04-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. MCC Driver's Display Electrical Terminal Failure. Bracket installation to add a strain relief on the MCC display screen wires.
FT5198R12022-03-03. Service bulletin. ELECTRICAL SYSTEM. Water Inside Roof Fuse Box
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.
FT52182022-01-03. Service bulletin. STEERING; ELECTRICAL SYSTEM. e-steering fault light on Parker screen
BS5146E2021-10-05. Service bulletin. ELECTRICAL SYSTEM; LATCHES/LOCKS/LINKAGES. Engine could crank when fuel door is open
BS5082E2021-08-02. Service bulletin. ELECTRICAL SYSTEM. The tell-tale light for the ''Brake worn out'' is actually non-functionnal.
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.
BS5079E2021-06-02. Service bulletin. ELECTRICAL SYSTEM. A 12V relay is installed instead of a 24V relay for the alternator ouput status signal
BS4972ER12021-04-02. Service bulletin. STEERING; ELECTRICAL SYSTEM. Reports of intermittent low oil level telltale alarms when oil level is adequately filled. Replacement of Hydraulic Oil Level Sensor.

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