# Service bulletin V0121022060969\_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: 10248095
- Published by NHTSA: 2024\-01\-04
- Manufacturer's number: V0121022060969\_4
- Manufacturer's date: 2023\-12\-19
- NHTSA component: UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\):SOFTWARE

## NHTSA's summary

Update programming of Engine motor control module \-623\- Improvements made to ECM software for better combustion stability during catalyst heating and engine warmup.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10248095-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10248095-9999.pdf)

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

## Components

Engine, Engine control module

## Vehicles listed

- 2018 VOLKSWAGEN ATLAS

## Other bulletins for the same vehicles and component

- [TT 01 19 05\_6](/bulletins/10250766.md), 2024-03-06, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\). Engine Crank, No Start or No \-J623\- ECM Communication with DTC U0100 Stored in ECM Fault Memory
- [V0123092071325\_1](/bulletins/10244526.md), 2023-11-06, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\):SOFTWARE. Update Programming in Engine/Motor Control Module, DTC P054A
- [V0121092063514\_3](/bulletins/10210224.md), 2022-05-05, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\). Update programming ECM. Return model year 2020 \& 2021 applicability despite RVU campaign.
- [V0121092063514\_2](/bulletins/10209099.md), 2022-04-06, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\). Update programming ECM. Removed model year 2020 \& 2021 applicability due to RVU campaign.
- [TT 01 19 05\_4](/bulletins/10203451.md), 2021-12-07, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\):SOFTWARE. Diagnostic assistance for no start or no communication with ECM with DTC U0100 stored.
- [TT 00 18 05\_2](/bulletins/10187514.md), 2021-03-04, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\). Update models and model year applicability.
- [V0121022060969\_2](/bulletins/10186574.md), 2021-02-04, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\):SOFTWARE. Current ECM software causing erroneous misfire faults.
- [V0121022060969\_1](/bulletins/10185661.md), 2021-02-04, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\):SOFTWARE; ELECTRICAL SYSTEM. Current ECM software causing erroneous misfire faults.

JSON: [/v1/bulletins/10248095](/v1/bulletins/10248095)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20V0121022060969_4&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10248095&vehicle=Service%20bulletin%20V0121022060969_4)