A1 Diagnostics - Independent German Car Specialists

A1 Diagnostics - Independent German Car Specialists We are an award-winning independent garage with 20 years' experience in the trade. They guarantee a first class service at an affordable price.

Bosch Car Service garage Cardiff provide specialist vehicle maintenance, repairs and dealer level diagnostics for all makes of vehicles. 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 sa

me quality as those that were originally fitted on your vehicle. A1- Diagnostics & ECU Repairs Cardiff works to an Office of Fair Trading approved Consumer Code of Practice. This commitment to customer care gives you peace of mind in knowing that you are going to be given not only the best technical service, but also the best customer service. If you want affordability combined with the highest technical and customer service standards, then why not call A1-Diagnostics & ECU Repairs?

If you have never come across our garage here at A1 Diagnostics based in Cardiff read more here :)
18/08/2026

If you have never come across our garage here at A1 Diagnostics based in Cardiff read more here :)

We are an award winning independent garage based here in Cardiff with 20 plus years experience

If you need a new engine on your Ford Transit vehicle we can supply and fit one for you. Read more here :)
17/08/2026

If you need a new engine on your Ford Transit vehicle we can supply and fit one for you. Read more here :)

If you are in need of a full engine replacement for your Ford Transit we can supply and fit one for you.

14/08/2026

An incorrect diagnosis doesn’t just cost time, it costs you money, Guesswork repairs lead to parts replaced that didn’t need to be, problems missed that come back worse, and bills that keep climbing. Proper diagnostics first, repairs second. That’s how you fix it right the first time

Get in touch if you ADAS driver assisted systems have come out of alignment we can re-calibrate them for you.02920 220 3...
14/08/2026

Get in touch if you ADAS driver assisted systems have come out of alignment we can re-calibrate them for you.

02920 220 380

Another five star review from a happy customer. Get in touch if you need any vehicle repair services we can help.02920 2...
13/08/2026

Another five star review from a happy customer. Get in touch if you need any vehicle repair services we can help.

02920 220 380

12/08/2026

Wet belt timing systems look great on paper… until they don’t A lot of these engines are ticking time bombs if the belt isn’t changed on schedule. We got ahead of it before it became a bigger (and much more expensive) problem.

Preventative maintenance isn’t glamorous, but it saves you thousands down the line!

Is your vehicle going into limp mode? Are you losing power? Are you seeing white smoke coming from the exhaust? If the a...
12/08/2026

Is your vehicle going into limp mode? Are you losing power? Are you seeing white smoke coming from the exhaust? If the answer is yes then you could have a turbo problem.

Get in touch and lets diagnose the fault. 02920 220 380.

Choose a garage that has 20 years experience plus in MOT inspections. Tel: 02920 220 380
11/08/2026

Choose a garage that has 20 years experience plus in MOT inspections. Tel: 02920 220 380

More vehicles in the garage recently receiving all kinds of service work from engine repairs, DSG gearbox services, full...
10/08/2026

More vehicles in the garage recently receiving all kinds of service work from engine repairs, DSG gearbox services, full services, MOT inspections and so much more.

We are an award winning independent garage that can service vehicle of all brand types.

Get in touch for more information. 02920 220 380

07/08/2026

DSG Issues? Get in touch today!





Address

64a Sloper Road
Cardiff
CF118AB

Opening Hours

Monday 8am - 6pm
Tuesday 8am - 6pm
Wednesday 8am - 6pm
Thursday 8am - 6pm
Friday 8am - 6pm

Telephone

+442920220380

Website

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