# Service bulletin Circ 87H9\_REV1

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: 10250819
- Published by NHTSA: 2024\-03\-06
- Manufacturer's number: Circ 87H9\_REV1
- Manufacturer's date: 2024\-02\-23
- NHTSA component: UNKNOWN OR OTHER; ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SENSORS

## NHTSA's summary

On vehicles manufactured within a specific period, the pressure and temperature sensors in the air conditioning system may fail. If this happens, the air conditioning system will no longer function. Claiming instructions updated.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-10250819-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-10250819-9999.pdf)

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

## Components

Driver assistance, Electrical system, Blind spot detection

## Vehicles listed

- AUDI AUDI
- 2021 to 2022 AUDI E\-TRON

## Other bulletins for the same vehicles and component

- [A9121512058769\_5](/bulletins/10203600.md), 2021-12-07, Service bulletin: ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SENSORS. This bulletin contains instructions for checking the sensors and resolving DTCs B107BF0 and B10FCF0.

JSON: [/v1/bulletins/10250819](/v1/bulletins/10250819)

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