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Audi A6 C8 common faults.

2018–2025. The fault list covers this generation and the engines in it. If the listing gives the exact version, pick it below.

Audi A6 C8

Vauxford / CC BY-SA 4.0

What to watch for

What can go wrong on this car?

The list covers the generation, the engines and the transmissions. Once you pick the version, only the faults that apply to it stay.

critical5

expensive3

9 more faults belong to this generation. On the version page, only the ones that apply stay.

Official recall19 recallsShow

The manufacturer fixes these for free at a franchised dealer. Ask with the VIN whether it was done. The list covers the whole generation. We did not filter it by model year. Some apply only to a narrower production window.

Most recent: 23 April 2021

A12/01220/21Safety recallEnvironment23 April 2021 · EU Safety Gate

The vehicles are equipped with control software regarded as unauthorised by the competent authorities. The product does not comply with the requirements laid down in the Regulation on the approval and market surveillance of motor vehicles and their trailers, and of systems, components and separate technical units intended for such vehicles.

Remedy: Type of economic operator taking notified measure(s): Importer Category of measure(s): Recall of the product from end users Date of entry into force: 23/04/2021

The authority's notice

A12/00504/22Safety recallInjuriesno date · EU Safety Gate

Alteration of the rear axle’s toe and/or camber values lead to increased and uneven wear on the rear tyres, and if worn down to its carcass may suffer a sudden loss of pressure. This can lead to loss of traction and may affect vehicle handling, increasing the risk of an accident. The product does not comply with the Regulation on the approval and market surveillance of motor vehicles and their trailers, and of systems, components and separate technical units intended for such vehicles.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

A12/00615/21Safety recallInjuriesno date · EU Safety Gate

Due manufacturing defect in the instrument panel, the deployment of the airbag could be impeded. This could impair its protective potential and could lead to plastic parts become detached when the airbag is activated, increasing the risk of injury in the event of an accident.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

A12/00640/20Safety recallInjuriesno date · EU Safety Gate

The middle part of the rear seatback can be inadvertently unlatched by an unsecured load in the boot in the event of an accident. Consequently, the unsecured items may be projected into the interior of the car, causing injuries to the occupants.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

A12/00689/20Safety recallFireno date · EU Safety Gate

Moisture can penetrate into the belt starter generator. This can result in a short circuit, leading to local overheating and increased risk of fire. Due to the permanent power supply of the starter generator, this can occur when the vehicle has already been parked for a while.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

A12/00752/21Safety recallInjuriesno date · EU Safety Gate

The vehicles may be fitted with a towbar with a swivel mechanism that may have a defective locking pin. As a result, the pin could break while driving, increasing the risk of an accident.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

A12/01401/20Safety recallFireno date · EU Safety Gate

Moisture can ingress into the belt starter generator, generating short-circuits. This can lead to local overheating of the component, increasing risk of fire.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

A12/0264/19Safety recallInjuriesno date · EU Safety Gate

Due to contamination during its manufacture, the bonding of the components of the sunroof may be affected. Consequently there could be leaks in the sunroof or the rear glass panel could even detach.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

A12/02640/23Safety recallInjuriesno date · EU Safety Gate

The front left side airbag is not properly fixed and the seat may cause the area covered by the airbag to move slightly. As a result, the protective effect of the airbag is reduced, increasing the risk of injury in case of an accident. The product does not comply with the Regulation on the approval and market surveillance of motor vehicles and their trailers, and of systems, components and separate technical units intended for such vehicles.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

A12/0382/19Safety recallFireno date · EU Safety Gate

In certain vehicles, fuel can leak onto the engine fuel rail. Fuel leakage close to a source of ignition may increase the risk of the vehicle catching fire.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

A12/0862/19Safety recallInjuriesno date · EU Safety Gate

The locking mechanism in the articulated trailer hitch may be defective. Consequently, the trailer hitch might not be correctly locked and could swing out, causing the trailer to drop while the vehicle is in motion.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

INFO/00089/21Safety recallInjuriesno date · EU Safety Gate

Faulty crash sensors for the airbag restraint systems may have been installed in both the front doors. This could impair the protective effect of the side airbags, head airbags and/or belt tensioners, increasing the risk of injury in the event of an accident.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

INFO/00138/21Safety recallInjuriesno date · EU Safety Gate

The nuts on the eccentric bolt of the rear-axle spring-link control arm may break due to stress corrosion. As a result, the rear axle could move in the wrong direction, in an uncontrollable manner at high speeds.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

SR/00268/25Safety recallFireno date · EU Safety Gate

During the charging process, the high/voltage battery may overheat due to a defect in the battery modules. This can result in a fire and cause injuries to occupants and bystanders. The product does not comply with the Regulation on the approval and market surveillance of motor vehicles and their trailers, and of systems, components and separate technical units intended for such vehicles.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

SR/00999/25Safety recallInjuriesno date · EU Safety Gate

The vehicles may have been fitted with a damaged module of the passengers airbag, which may impair the restraining effect of the airbag in the event of an accident, posing a risk of injury. The product does not comply with the Regulation on the approval and market surveillance of motor vehicles and their trailers, and of systems, components and separate technical units intended for such vehicles.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

SR/01052/26Safety recallInjuriesno date · EU Safety Gate

The torsion bar is defective and may easily break, leading the belt strap to unwind uncontrollably in the event of an accident. The protective effect of the seat belt would therefore no longer be assured which can lead to injury. The product does not comply with the Regulation on the approval and market surveillance of motor vehicles and their trailers, and of systems, components and separate technical units intended for such vehicles.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

SR/02844/25Safety recallInjuriesno date · EU Safety Gate

If the front passenger airbag is deployed as a result of an accident, the gas generator housing may burst or components of the gas generator housing may come loose and cause serious or fatal injuries to vehicle occupants. The product does not comply with the Regulation on the approval and market surveillance of motor vehicles and their trailers, and of systems, components and separate technical units intended for such vehicles.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

SR/03985/25Safety recallFireno date · EU Safety Gate

The high-voltage battery’s cell modules could overheat during charging. This may lead to fire. The product does not comply with the Regulation on the approval and market surveillance of motor vehicles and their trailers, and of systems, components and separate technical units intended for such vehicles.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

SR/04382/25Safety recallInjuriesno date · EU Safety Gate

The product has a defect in the buckle and the anchorage of the seat belt, which may result in insufficient restraining effect of the seatbelt, increasing the risk of injuries, in particular to the passengers of the front seats. The product does not comply with the Regulation on the approval and market surveillance of motor vehicles and their trailers, and of systems, components and separate technical units intended for such vehicles.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

Engines and transmissions in this generation

A fault is often tied to the engine, not to the whole generation. You find the engine code in the registration document.

C8 · 2018–2025

Pick the version.

The fault list opens on the version page.

83 versions

Showing 60 of 83 versions.

Neighbouring generations

C8 · 2018–2025

C8 (2018-2025). If the listing is from the changeover year, look at the neighbour too.

Previous generation

C7 · 2011–2018

This generation

C8 · 2018–2025

Next generation

This is the latest.

Common questions

About this generation

Which years does this page cover?

2018–2025. The changeover year can fall in two generations. If the listing is from that year, look at the neighbour too.

Does the fault apply to every car like this?

No. It depends on the engine and the transmission too.

Is it free?

The fault list is.

Information, not an expert opinion

We write the descriptions, and we put the source next to them. A person reviews them before they go out. They are still information, not a technical expert opinion.

  • A fault on the list does not mean the car you are looking at has it.
  • A fault missing from the list does not mean the model is fault-free. Write-ups are made model by model. Not all of them are done.
  • You decide whether to buy. This is no substitute for an inspection. That needs a workshop and a history check.
Details in the terms