# Service bulletin Circular 24iY

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: 10241488
- Published by NHTSA: 2023\-09\-01
- Manufacturer's number: Circular 24iY
- Manufacturer's date: 2023\-08\-15
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

Some on\-board diagnostic \(OBD\) functions do not fully meet certain regulatory requirements. Consequently, the MIL may not illuminate when a misfire event occurs. This issue has no impact to tailpipe or evaporative emissions. Install updated engine control module \(ECM\) software.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10241488-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10241488-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2019 to 2020 AUDI A8
- 2020 AUDI S8

## Recalls for the same vehicles and component

- [23V842000](/recalls/nhtsa/23V842000.md), 2023-12-13: ELECTRICAL SYSTEM:PROPULSION SYSTEM:CHARGING:CABLE/CORD:ONBOARD

## Other bulletins for the same vehicles and component

- [TSB\_2079214\_4](/bulletins/11038061.md), 2026-10-05, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides information regarding fault finding and repair information for electric tailgate.
- [TSB\_2074059\_4](/bulletins/11038040.md), 2026-10-05, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides general information about SOS Emergency Assist.
- [TSB\_2068573\_6](/bulletins/11038032.md), 2026-10-05, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides information when the rear parking sensor sometimes does not work, rear parking sensor loose, rear parking sensor fault message.
- [TSB\_2063336\_5](/bulletins/11038030.md), 2026-10-05, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides information when DTC C12BFF0 is stored in the lane change modeul or the radar sensor; intersection assist/lane change assist are inoperable.
- [TSB\_2058077\_11](/bulletins/11038029.md), 2026-10-05, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides information when there is an Audi pressense warning, warning jolt, and/or brake engagement.
- [TSB\_2054202\_8](/bulletins/11038028.md), 2026-10-05, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides information when there is an Audi adaptive light system malfunction; DTC C12B3FA is stored in the control module for driver assistance systems.
- [TSB\_2082976\_2](/bulletins/11036973.md), 2026-09-04, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides general information about the current tpp issues for Audi connect.
- [TSB\_2082976\_1](/bulletins/11036972.md), 2026-09-04, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides general information about the current tpp issues for Audi connect.
- [TSB\_2064681\_6](/bulletins/11036905.md), 2026-09-04, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides information when there is an issue with wireless charging/wireless charging is not working.
- [TSB\_2073747\_4](/bulletins/11035810.md), 2026-08-05, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides informatoinw hent here are scratches or a coating on the cover of the instrument cluster, or particles inside of the housing.

JSON: [/v1/bulletins/10241488](/v1/bulletins/10241488)

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