# Service bulletin A1924642069248\_6

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: 11007303
- Published by NHTSA: 2024\-09\-06
- Manufacturer's number: A1924642069248\_6
- Manufacturer's date: 2024\-08\-30
- NHTSA component: POWER TRAIN

## NHTSA's summary

This bulletin provides information when the red coolant warning lamp comes on or MIL on, and DTC P218100 and/or P1BB400.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-11007303-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-11007303-9999.pdf)

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

## Components

Transmission and driveline

## Trouble codes named

P1BB4, P2181

## Vehicles listed

- 2019 to 2020 AUDI A8
- 2021 AUDI A8
- 2021 to 2022 AUDI RS 6 AVANT
- 2021 to 2022 AUDI RS 7
- 2020 to 2022 AUDI RS Q8
- 2020 to 2021 AUDI S8
- 2020 to 2022 AUDI SQ7
- 2020 to 2022 AUDI SQ8

## Recalls for the same vehicles and component

- [2020207](/recalls/tc/2020207.md), 2020-05-13: Powertrain

## Other bulletins for the same vehicles and component

- [TSB\_2059057\_15](/bulletins/11036901.md), 2026-09-04, Service bulletin: POWER TRAIN. This bulletin provides informatin when there is binding or vibrations in tight turns with quattro Ultra.
- [TSB\_2074808\_4](/bulletins/11033475.md), 2026-06-04, Service bulletin: POWER TRAIN. The high\-voltage batteries in electric vehicles are subject to various ageing effects which could lead to the energy content \(energy density\) being reduced. This reduction in the energy content, which is due to factors. Revised header. Added Model years
- [TSB\_2059057\_14](/bulletins/11033465.md), 2026-06-04, Service bulletin: POWER TRAIN. This bulletin provides informatin when there is binding or vibrations in tight turns with quattro Ultra.
- [TSB\_2070349\_6](/bulletins/11030999.md), 2026-04-07, Service bulletin: POWER TRAIN. This bulleitn provides informiaotn when there is a loss of coolant; mechanical coolant pump 2.9L, 3.0L V6 TFSI.
- [TSB\_2059057\_13](/bulletins/11028433.md), 2026-02-06, Service bulletin: POWER TRAIN. This bulletin provides informatin when there is binding or vibrations in tight turns with quattro Ultra.
- [TSB\_2074808\_3](/bulletins/11027358.md), 2026-01-07, Service bulletin: POWER TRAIN. This bulletin provides additoinal information to assist in determining the energy content of lithium\-ion high\-voltage batteries.
- [TSB\_2080074\_1](/bulletins/11026278.md), 2025-12-05, Service bulletin: POWER TRAIN. This bulletin provides information when there are noises/vibrations from the dash panel/window shield.
- [TSB\_2075681\_5](/bulletins/11022669.md), 2025-09-04, Service bulletin: POWER TRAIN. This bulletin provides informaoitn when there is droning noises/vibrations in tight corneres, in vehicles that have quattro with ultra technology.
- [TSB\_2070913\_2](/bulletins/11022636.md), 2025-09-04, Service bulletin: POWER TRAIN. This bulletin provides informaiotn when there are noises from steering and/or intermediate steering shaft.
- [TSB\_2062288\_5](/bulletins/11022635.md), 2025-09-04, Service bulletin: POWER TRAIN. This bulletin provides information when the electric steering column adjustment is not working; DTC B14BF01 is stored in the BCM 1.

JSON: [/v1/bulletins/11007303](/v1/bulletins/11007303)

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