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We are German Car Specialists - Choose from the following options






ECU stands for Electronic Control Unit. ECU Repairs are the heart and sole of our business here at A1 Diagnostics Audi.

We re-manufacture many ECU units which fail, this saves our customer's money as many replacement Audi ECU control units can be very expensive.

We offer a two year warranty on any Audi ECU repair work that is undertaken.








We offer Audi MOT packages for your families Audi vehicles.

We are a fully approved Audi MOT Test Centre. In addition to servicing & repairs we can also MOT your Audi vehicle to the approved VOSA standards.

We MOT Audi vehicles from £35 *MOT RETEST FEES APPLY.








We service Audi car’s and Audi Vehicles in Cardiff according to the manufacturer’s recommendations which prolongs the life of your Audi vehicle.

A1 DIAGNOSTICS Audi OFFER:
* Value for money
* Quality workmanship
* Free collection & delivery service
* Air-conditioning service
* Tyre and exhaust fitting centre

…and much more.








Audi Anti-Lock Breaking System (ABS) can also be a costly repair to your car in Cardiff

A1 Diagnostics Audi now repair ABS Control Units and Pumps in Cardiff and are able to fault find and test faulty Anti-Lock Breaking Systems (ABS).

Contact A1 diagnostics Audi for your Audi car ABS repairs.






Our 5 Star Testimonials From Happy Customers

A1 Diagnostics provide reliable vehicle servicing at the right affordable prices. Here are a range of 5 star testimonials received from our happy customers who we have been servicing for well over 10 years from our garage workshop.



“Excellent Customer Assistance. I called the RAC out who diagnosed the body control module, this had become faulty on my vehicle. I had a serious electrical problem with indicators brake lights & main beam. Took my car to A1 diagnostics Audi who again explained the problem. A1 Diagnostics Audi fixed it and I am truly thankful. Awesome service.”



“Had a problem with my vehicle yesterday that caused the car to go into limp mode. They managed to fit me in today and I’m back on the road! Big thanks to the great mechanics who found that a wire
had broken and fixed it.”




“Repaired my turbo, I’m very happy with the service and team.”




“I had my air conditioning on my vehicle serviced today, with a full diagnostic check and re-gas, excellent service, good honest help and advice throughout, at last my A.C. doesn’t smell like mouldy bread. Thank you so much A1 Diagnostics Audi some honest people, who don’t rip you off because you are female. Definitely worth the drive from Bridgend.”





Why Use A1 Diagnostics Audi?

Bosch Car Service garages provide specialist vehicle maintenance, repairs and dealer level diagnostics for all makes of vehicles working to an OFT code of conduct. They guarantee a first class service at an affordable price. The technicians at A1-Diagnostics & ECU Repairs are trained on the latest technologies and have the most up-to-date diagnostic equipment to pinpoint any faults in your car as quickly and accurately as possible. Any parts that need to be replaced will be of the same quality as those that were originally fitted on your vehicle. We are also gearbox experts and service gearboxes of all major brands.



Who are A1 Diagnostics Audi?

Richard Patel heads our team of highly trained Audi Car Specialists. Having access to Audi dealer level expertise and diagnostic equipment A1 Diagnostics Audi are confident that we can provide an excellent dealer level service at an independent garage price. Here at A1-Diagnostics Audi we believe in the culture of a quality service and we ensure this by investing in high quality professionals and specialist Audi training. A1 Diagnostics Audi are independent German Car Specialists and car specialists in Cardiff.



Contact A1 Diagnostics Audi

A1-Diagnostics Audi
64 Sloper Road
Leckwith,
Cardiff
CF11 8AB

Tel: (029 20) 220380
Fax: (029 20) 223172

Opening Times

Mon – Fri: 8:00am – 6:00pm