# Service bulletin LI4494E

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.

- Type: Service bulletin
- NHTSA id: 10188182
- Published by NHTSA: 2021\-03\-04
- Manufacturer's number: LI4494E
- Manufacturer's date: 2021\-02\-26
- NHTSA component: ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

## NHTSA's summary

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.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10188182-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10188182-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Engine, Equipment and accessories, Labels and manuals

## Vehicles listed

- 2011 NOVA BUS LFS
- 2015 to 2016 NOVA BUS LFS
- 2018 NOVA BUS LFS
- 2012 NOVA BUS LFS ARTIC
- 2015 to 2018 NOVA BUS LFS ARTIC

## Recalls for the same vehicles and component

- [23V607000](/recalls/nhtsa/23V607000.md), 2023-08-31: ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS
- [22V323000](/recalls/nhtsa/22V323000.md), 2022-05-11: EQUIPMENT; EXTERIOR LIGHTING
- [20V354000](/recalls/nhtsa/20V354000.md), 2020-06-15: STRUCTURE:BODY:DOOR:HINGE AND ATTACHMENTS; ELECTRICAL SYSTEM:SOFTWARE
- [2019172](/recalls/tc/2019172.md), 2019-04-05: Accessories
- [2019171](/recalls/tc/2019171.md), 2019-04-05: Engine
- [19V274000](/recalls/nhtsa/19V274000.md), 2019-04-05: ELECTRICAL SYSTEM
- [18V829000](/recalls/nhtsa/18V829000.md), 2018-11-26: ELECTRICAL SYSTEM:SOFTWARE
- [2018287](/recalls/tc/2018287.md), 2018-05-31: Electrical
- [2017264](/recalls/tc/2017264.md), 2017-05-16: Engine
- [17V323000](/recalls/nhtsa/17V323000.md), 2017-05-16: VEHICLE SPEED CONTROL:ACCELERATOR PEDAL; ELECTRICAL SYSTEM

## Other bulletins for the same vehicles and component

- [BS5463ER1](/bulletins/10253690.md), 2024-04-30, Service bulletin: ELECTRICAL SYSTEM; VISIBILITY. Failure of camera bracket will cause the camera to swing while bus is in motion.
- [LI5316ER2](/bulletins/10250586.md), 2024-02-24, Service bulletin: ENGINE AND ENGINE COOLING. Crank case vent \(CCV\) hoses may get damaged over time.
- [BS5463E](/bulletins/10247616.md), 2023-12-22, Service bulletin: VISIBILITY; ELECTRICAL SYSTEM. Failure of camera bracket will cause the camera to swing while bus is in motion.
- [LI5427E](/bulletins/10247614.md), 2023-12-22, Service bulletin: ENGINE AND ENGINE COOLING. Improved durability of engine\-side heat exchanger hoses.
- [FT5433](/bulletins/10242853.md), 2023-09-26, Service bulletin: ELECTRICAL SYSTEM. Support for infotainement displays may crack. Overhead Screen Display \(for 40' buses\)
- [FT5434](/bulletins/10242852.md), 2023-09-26, Service bulletin: ELECTRICAL SYSTEM. Support for infotainement displays may crack. Overhead Screen Display \(for 60' buses\)
- [FT5463](/bulletins/10242846.md), 2023-09-26, Service bulletin: VISIBILITY; EQUIPMENT. Failure of camera bracket will cause the camera to swing while bus is in motion.
- [FT4651](/bulletins/10240760.md), 2023-08-17, Service bulletin: FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Failure of DEF sensor GEN 6 within the expected 5\-years lifespan.
- [LI5228ER2](/bulletins/10235130.md), 2023-04-27, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:SUMP/TANK. DEF GEN4 tank, tank head and sensor will no longer be available in service
- [BS5320ER1](/bulletins/10233268.md), 2023-04-03, Service bulletin: ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Fire light coming on in the dash, Fire detection system

JSON: [/v1/bulletins/10188182](/v1/bulletins/10188182)

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