# Service bulletin SB2034

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: 10206662
- Published by NHTSA: 2022\-01\-20
- Manufacturer's number: SB2034
- Manufacturer's date: 2021\-12\-13
- NHTSA component: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY; EQUIPMENT

## NHTSA's summary

Service Information: Periodic inspection/replacement of snake\-shaped desiccant bag Up to now two types of Proterra traction batteries have been installed on Van Hool E\-coaches. Every Proterra traction battery contains a snake\-shaped desiccant bag filled with silica gel \(moisture\-absorbing crystals\). The task of the bag is to keep the air in the traction battery housing dry. The service life of the desiccant in the bag depends on the climatic operating conditions. Interval for inspection of desiccant bag: Every 3 months

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10206662-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10206662-9999.pdf)

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

## Components

Electrical system, Equipment and accessories, Hybrid and electric drive, High\-voltage battery

## Vehicles listed

- VAN HOOL CX45
- VAN HOOL TDX25

JSON: [/v1/bulletins/10206662](/v1/bulletins/10206662)

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