# Service bulletin A2722412058831\_4

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: 10208897
- Published by NHTSA: 2022\-04\-05
- Manufacturer's number: A2722412058831\_4
- Manufacturer's date: 2022\-03\-02
- NHTSA component: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\)

## NHTSA's summary

This bulletin contains a software update for DTC P0CA700 or U046900.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10208897-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10208897-9999.pdf)

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

## Components

Engine, Engine control module

## Trouble codes named

P0CA7, U0469

## Vehicles listed

- 2018 to 2021 AUDI A6
- 2020 to 2021 AUDI A6 ALLROAD
- 2018 to 2021 AUDI A7
- 2021 AUDI A7 E
- 2018 to 2020 AUDI A8
- 2021 AUDI A8
- 2020 AUDI A8 L E
- 2021 AUDI A8 L E
- 2019 to 2021 AUDI Q8
- 2018 AUDI R8
- 2020 to 2021 AUDI R8
- 2021 AUDI RS 6 AVANT
- 2018 AUDI RS 7
- 2020 to 2021 AUDI RS Q8
- 2018 AUDI S6
- 2020 to 2021 AUDI S6
- 2018 AUDI S7
- 2020 to 2021 AUDI S7
- 2018 AUDI S8
- 2019 AUDI S8
- 2020 to 2021 AUDI S8
- 2020 to 2021 AUDI SQ7
- 2020 to 2021 AUDI SQ8

## Recalls for the same vehicles and component

- [21V111000](/recalls/nhtsa/21V111000.md), 2021-02-24: ENGINE; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\)

## Other bulletins for the same vehicles and component

- [A0124112062323\_3](/bulletins/10251498.md), 2024-04-04, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\); UNKNOWN OR OTHER. This bulletin provides information when the car jerks/bucks, or hesitates while driving; DTCs P023600 and/or P010600 are stored in the ECM.
- [A1324232060876\_2](/bulletins/10250292.md), 2024-03-06, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\). This bulletin provides information for when the MIL is illuminated; DTC P030000 is stored in the ECM, and corrosion marks are on the cylinder walls.
- [A0123932068506\_2](/bulletins/10245597.md), 2023-12-06, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\). This bulletin provides information for when the MIL is illuminated and P060C00 is stored in the ECM.
- [A2723602067906\_3](/bulletins/10242930.md), 2023-10-05, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\). This bulletin provides information for when DTC P0A7D00 is stored.
- [A1923412062951\_3](/bulletins/10242911.md), 2023-10-05, Service bulletin: ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\). This bulletin provides information for when the red coolant warning lamp is on and the DTCs P218100, P017B00, P017C00, and/or P017E00 are stored in the ECM.
- [A0123712071203\_1](/bulletins/10241216.md), 2023-09-01, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\). This Pending Service Solution requests that a PSS record be created when the MIL Drive System: Fault is stored in the ECM with DTC P06C00, P060600, or P0A0F00.
- [A2723572058831\_9](/bulletins/10238212.md), 2023-07-10, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\); ELECTRICAL SYSTEM. This bulletin provides information for when there is a 48V electrical system warning; DTC P0CA700, U046900 is stored in the starter/generator control module/ECM.
- [A9323102068630\_2](/bulletins/10237012.md), 2023-06-06, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\). This bulletin provides a software update for instances where the drive system warning comes on in the driver information system, and DTC U041300 is stored in the ECM.
- [A1323172061461\_7](/bulletins/10233296.md), 2023-04-06, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\). This bulletin provides instructions for when there is a grinding/squeaking/tweeting noise coming from the engine compartment OR there is a message in the driver information system stating "Electrical system Malfunction\! Please go to workshop". DTC P2BA300 may be stored.
- [A2023522065287\_6](/bulletins/10230589.md), 2023-02-07, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\). This bulletin provides instructions for when the MIL is on and DTC P044200 and/or P045600 is stored in the ECM.

JSON: [/v1/bulletins/10208897](/v1/bulletins/10208897)

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