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Informations on EA189 diesel engines

Informations on EA189 diesel engines

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Check if your vehicle is affected.

Please enter your vehicle identification number (VIN).

Please note: The search checks only if your vehicle of the brands Volkswagen and Volkswagen Commercial Vehicles is affected by the nitrous oxide correction action. Vehicles sold in the USA and Canada are not covered by this search.

Please contact Volkswagen Customer Service for further information.

A current overview of all Volkswagen models affected by CO₂ deviations can be found here. If an earlier query showed that your vehicle is affected by the CO₂ issue, please check this again using the table.

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What is a VIN?

The vehicle identification number (VIN) is a 17-figure number that identifies your vehicle. You can find this in your vehicle registration document, in part 1 of the registration certificate or in the lower part of the front windscreen.


Vehicle registration document

Frequently asked questions

On this page you find important FAQs dealing with the current development at Volkswagen. This information will be updated continuously.


My car is affected. Do I need to take it to a workshop immediately?

No. All the vehicles concerned are safe from a technical standpoint and roadworthy.

My car is affected. Can I still drive it?

Yes, all the vehicles concerned are safe from a technical standpoint and roadworthy.

How do I get an appointment for the service measure?

Volkswagen has developed solutions for the vehicles affected and will inform you by mail without delay as soon as the service measure can be performed on your vehicle.

When will I be contacted with further information?

Volkswagen will contact you to let you know about any technical solutions.

What exactly happened during dynamometer runs?

Software installed in vehicles fitted with EA 189 diesel engines provides for compliant NOx values during dynamometer tests.

According to the findings of the authorities, which figures deviate from the certification levels?

According to the findings of the authorities, the emissions of nitrogen oxide during testing on the rolling road test bed deviate from legal requirements due to a modus optimized for this testing cycle.

Are engines with EU6 standard affected?

Volkswagen Group new vehicles offered within the European Union with EU6 diesel drives comply with legal requirements and environmental standards.

Are Volkswagen petrol engines also affected by emission problems?

No. Petrol engines are not affected because the exhaust treatment systems for diesel and petrol engines are completely different. Consequently, petrol engines are not affected by the switchover.

Going forward, how will people who purchase used cars be able to identify whether remedial measures have already been carried out on the vehicle? Are such vehicles identified in any way?

Yes. A label in the spare wheel recess confirms that remedial measures have been carried out. This information is also archived in the electronic vehicle history accessible to every contract partner. The remedial measures will also be entered manually in the service plan.

Can the optimized software cause any damage to the vehicle?

No, the optimized software cannot cause any damage to your vehicle. The software allowed the vehicle to recognize a test situation; the software was inactive during normal operation.

Can I have the retrofit carried out at any Volkswagen partner worldwide?

Yes, all Volkswagen partners in Germany and other European countries are being informed.

Will the retrofit be free of charge?

Yes, Volkswagen will cover the costs.

Will the planned field action apply to all vehicles affected?

Yes, however, the measures to be carried out can differ depending on model and engine.


What size of deviation are we talking about between the stated CO2 levels and the follow-up measurements?

What we are talking about here are differences of a single-digit number of grams. To explain that further: an additional 3 grams of CO2 emissions per kilometre equates to an increase in fuel consumption of around 0.1 l/100 km. It is important to emphasise that the measurements relate to the NEFC cycle. The actual consumption levels that customers themselves experience remain unchanged.

What are the consequences now for customers?

Nothing changes for the customer. There is no change in their vehicle's actual fuel consumption and nor does any technical work need to be done on them.

Are the affected models going to need any technical modifications or software updates?

No, the CO2 and fuel consumption levels measured will in the course of the type approval process be incorporated into the future new vehicles' documents and into all trade communications. No software or technical modifications will be made.

My vehicle consumes considerably more than stated in the vehicle documents and in the catalogues. How do you explain that? Are the official test values not worth the paper they're written on?

The homologation measurement is carried out in accordance with the NEDC (New European Driving Cycle), a standardised driving cycle for Europe. It produces a comparative value and provides customers with a benchmark for evaluating different vehicles from different manufacturers in terms of their consumption characteristics. Driving behaviour is usually different in practice, which means that the homologation figures and the real-world consumption can only be compared with one another to a limited extent. From 2017 the "WLTP" will take effect as a homologation cycle. There, higher speeds and higher acceleration will be realised. The WLTP is therefore more practice-oriented.

Facts on diesel emissions.

Learn everything important here in short videos: From the function of the switch-off software to planned remedial measures to making an appointment with a Volkswagen partner.

How to get an appointment.

Learn when you can make an appointment for your vehicle for a free modification and how the action will proceed for you as a customer.

After-treatment of diesel exhaust.

We will show you here how hazardous substances are gradually removed from diesel engine exhaust in order to comply safely with the requirements on the worldwide markets.

How does the switch-off
software work?

Here you will learn how a special test-bench mode is activated in the vehicle on the test bench that calls up a specified profile for testing exhaust values.

Remedial measures for the diesel issue.

See which measures are used for which engine type. And with that, when the activation of a new engine control software is sufficient and when a technical correction is necessary.


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