# Service bulletin BS4051E

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: 10110108
- Published by NHTSA: 2017\-08\-03
- Manufacturer's number: BS4051E
- Manufacturer's date: 2017\-05\-31
- NHTSA component: EQUIPMENT; SERVICE BRAKES

## NHTSA's summary

Interlock brake is activated when the B\-bus network is disconnected or lost

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10110108-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10110108-0001.pdf)

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

## Components

Brakes, Equipment and accessories

## Vehicles listed

- 2010 to 2014 NOVA BUS LFS
- 2015 to 2016 NOVA BUS LFS
- 2013 to 2014 NOVA BUS LFS ARTIC
- 2016 NOVA BUS LFS ARTIC

## Recalls for the same vehicles and component

- [26V355000](/recalls/nhtsa/26V355000.md), 2026-06-02: SERVICE BRAKES, AIR:SUPPLY:LOW PRESSURE WARNING:SWITCH
- [2024425](/recalls/tc/2024425.md), 2024-07-25: Brakes
- [24V558000](/recalls/nhtsa/24V558000.md), 2024-07-25: SERVICE BRAKES, AIR:DISC:CHAMBER
- [22V323000](/recalls/nhtsa/22V323000.md), 2022-05-11: EQUIPMENT; EXTERIOR LIGHTING
- [2018257](/recalls/tc/2018257.md), 2018-05-14: Brakes
- [18V299000](/recalls/nhtsa/18V299000.md), 2018-05-07: SERVICE BRAKES, AIR:DISC:CALIPER
- [16V412000](/recalls/nhtsa/16V412000.md), 2016-06-08: EQUIPMENT

## Other bulletins for the same vehicles and component

- [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.
- [LI5228E](/bulletins/10210964.md), 2022-05-05, Service bulletin: EQUIPMENT; ENGINE AND ENGINE COOLING. DEF tank Head Unit GEN4 N8900882 is no longer available in service, it is replace by the new DEF tank Head Unit GEN5 N8910051
- [BS5210ER1](/bulletins/10209688.md), 2022-04-05, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT. Horn may fail due to the low internal high heat resistance.
- [BS5119E](/bulletins/10199701.md), 2021-08-02, Service bulletin: SERVICE BRAKES, AIR. Brake chambers may fail and cause the drive axle brakes to overheat
- [FT5055R1](/bulletins/10194809.md), 2021-06-02, Service bulletin: EQUIPMENT. Disconnect the power for the auxiliary heater. short term countermeasure
- [ft5090](/bulletins/10194787.md), 2021-06-02, Service bulletin: EQUIPMENT. Kidde fire suppression system tamper seal
- [BS3465ER1](/bulletins/10194393.md), 2021-05-24, Service bulletin: EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM; EQUIPMENT. Articulation ACU and solenoid Justify Articulation solenoid circuit may cause an error code in ACU.
- [PC1020](/bulletins/10189654.md), 2021-04-02, Service bulletin: SERVICE BRAKES, AIR. brakes standard repair
- [FT5055](/bulletins/10189652.md), 2021-04-02, Service bulletin: EQUIPMENT. Disconnect the power \(auxiliary heater\), short term countermeasure
- [FT4389R1](/bulletins/10189649.md), 2021-04-02, Service bulletin: EQUIPMENT. ITS Box Shelves Loose

JSON: [/v1/bulletins/10110108](/v1/bulletins/10110108)

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