# Service bulletin WSB\-03

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: 10202139
- Published by NHTSA: 2021\-10\-07
- Manufacturer's number: WSB\-03
- Manufacturer's date: 2021\-09\-23
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

Blocked Air Return \- It has come to our attention that some 2020, 2021 and 2022 Wayfarer Motorhomes have an air return that is blocked by a wood panel. If the air return vent is blocked this could cause the furnace to not operate properly which would cause difficulty in heating the motorhome.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10202139-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10202139-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2020 to 2022 TIFFIN WAYFARER

JSON: [/v1/bulletins/10202139](/v1/bulletins/10202139)

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