# Service bulletin BS4848ER1

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: 10198690
- Published by NHTSA: 2021\-07\-01
- Manufacturer's number: BS4848ER1
- Manufacturer's date: 2021\-06\-09
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

Corrosion at the junction bus bar used for the 24 volts power distribution between the alternator, the super capacitor and the electric fans of the ECP.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10198690-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10198690-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2019 NOVA BUS LFS

## Recalls for the same vehicles and component

- [23V607000](/recalls/nhtsa/23V607000.md), 2023-08-31: ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS
- [2023348](/recalls/tc/2023348.md), 2023-06-14: Electrical
- [2022310](/recalls/tc/2022310.md), 2022-06-13: Electrical
- [22V416000](/recalls/nhtsa/22V416000.md), 2022-06-13: ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS; ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
- [20V354000](/recalls/nhtsa/20V354000.md), 2020-06-15: STRUCTURE:BODY:DOOR:HINGE AND ATTACHMENTS; ELECTRICAL SYSTEM:SOFTWARE
- [19V274000](/recalls/nhtsa/19V274000.md), 2019-04-05: ELECTRICAL SYSTEM

## Other bulletins for the same vehicles and component

- [BS5543E](/bulletins/10250585.md), 2024-02-24, Service bulletin: ELECTRICAL SYSTEM. Battery tray structure cracks due to thin sheet metal.
- [FT5536](/bulletins/10247617.md), 2023-12-22, Service bulletin: ELECTRICAL SYSTEM. Battery Tray Structure Cracks. Battery hold downs may slip between batteries.
- [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 \(for 60' buses\)
- [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
- [FT5243](/bulletins/10231883.md), 2023-02-25, Service bulletin: ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. ECP radiator failures deemed to be due to overpressure events.
- [FT5244](/bulletins/10231882.md), 2023-02-25, Service bulletin: ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. ECP radiator failures deemed to be due to overpressure events.
- [BS5320E](/bulletins/10227046.md), 2022-12-03, Service bulletin: ELECTRICAL SYSTEM. Fire light coming on in the dash. Addition of a bracket so water won’t drip on temperature sensor.
- [LI5315E](/bulletins/10224817.md), 2022-10-27, 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.
- [BS5210ER1](/bulletins/10209688.md), 2022-04-05, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT. Horn may fail due to the low internal high heat resistance.

JSON: [/v1/bulletins/10198690](/v1/bulletins/10198690)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20BS4848ER1&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10198690&vehicle=Service%20bulletin%20BS4848ER1)