Compatibility tested by our community
OBD2 diagnostic scanner for Audi
EPC warning light, emissions fault or loss of power on your Audi A1, A3, A4 or Q3? An OBD2 diagnostic scanner lets you read and clear fault codes yourself, without paying for a diagnostic at a garage. Designed and made in France, klavkarr supports many TFSI petrol and TDI diesel Audi models. Check your vehicle's compatibility.
Compatibility tested on many Audi vehicles, from older generations to the latest models.
Which Audi diagnostic tool should you choose?
Both read and clear fault codes. The 310 also covers ABS, airbag and ESP systems. Compare models
Why use a diagnostic scanner for your Audi?
Like other Volkswagen Group vehicles, Audi models may display an EPC warning light or emissions-related warnings involving the EGR valve, DPF or AdBlue system. klavkarr reads the specific fault code behind the warning, with explanations in English and no manufacturer-specific licence required.
Tested Audi compatibility
Every listed model has been tested by a user. Our database lists 4,601 car models, covering 12,195 versions and configurations.
Read & clear fault codes
Find out why a warning light is on and clear the code after fixing the fault, without booking an appointment.
Live data
Monitor performance and spot abnormal sensor readings, pressure or emission-control behaviour before a breakdown.
Plug straight in
Connect to the OBD2 port, with no dismantling or specialist mechanical knowledge required.
Plain-English fault codes
Fault codes explained clearly, without technical jargon or a manufacturer-specific software licence.
Updates included
New models and codes are added regularly, with no subscription.
On Audi models, an EPC or emissions warning calls for further diagnosis. Examples of emissions-related codes include: P0401 for insufficient EGR flow, P2002 for low diesel particulate filter (DPF) efficiency, or P20EE for low SCR (AdBlue) catalyst efficiency. An OBD2 diagnostic check helps narrow down the cause before any repairs.
Whether you drive a A1, A3, A4, A6, Q3 or Q5, the OBD2 port is usually below the steering wheel. klavkarr connects directly to it, with no dismantling or specialist tools required.
All Audi models compatible with our OBD2 scanner
Select your model generation to see supported warning lights and the recommended scanner.
Check the listed Audi petrol, diesel, hybrid and electric models equipped with an OBD2 port. Available functions depend on the vehicle.
Audi A1
2 versions
Audi A2
1 version
Audi A3
5 versions
Audi A4
5 versions
Audi A5
2 versions
Audi A6
5 versions
Audi A7
2 versions
Audi A8
4 versions
Audi e-tron
1 version
Audi Q2
1 version
Audi Q3
2 versions
Audi Q4
1 version
Audi Q5
3 versions
Audi Q7
2 versions
Audi Q8
2 versions
Audi R8
3 versions
Audi RS
1 version
Audi RS3
2 versions
Audi RS4
4 versions
Audi RS5
2 versions
Audi RS6
3 versions
Audi RS7
2 versions
Audi S1
1 version
Audi S3
2 versions
Audi S4
5 versions
Audi S5
2 versions
Audi S6
3 versions
Audi S7
1 version
Audi S8
3 versions
Audi SQ5
1 version
Audi SQ7
1 version
Audi TT
3 versions
EOBD legislation requires vehicles to be compliant from specified dates, depending on their category and market. Learn more in our introduction to OBD or the reference article on on-board diagnostics.
Most common OBD fault codes on Audi models
Standard OBD fault codes recorded by users of our klavkarr scanners.
Where is the OBD2 port in your Audi?
The OBD2 port is usually under the steering wheel. klavkarr plugs straight in, with no dismantling or special tools required.
Find my OBD2 portThat is the cost of a diagnostic at a garage each time a warning light comes on. With your own klavkarr, scans are unlimited and cost nothing extra; it can pay for itself from the first use.
Other compatible makes manufactured in Germany
klavkarr works across makes. Explore other manufacturers.
