Car Diagnostics | Book a Car Diagnostic in Brighton

£76.30

Average price for this repair in Brighton in the last 30 days^

Trustpilot rating for all RAC Mobile Mechanics.

Why choose the RAC for a car diagnostic?

At the RAC, we've got over 125 years' experience helping UK drivers. We have the skills and knowledge to keep your vehicle running.

Plus, with RAC Mobile Mechanics, you can avoid the hassle of taking your vehicle to a garage when you need a repair. We’ll come to you, at your home or work.

Close up of an RAC Mobile Mechanic underneath a car

Our top pick in Brighton

Our top pick

RAC Mobile Mechanic in Brighton

At the RAC, we’ve got over 125 years’ experience in offering complete peace of mind to our members. We’re best known for our breakdown service. And now – our new RAC Mobile Mechanics are here to help make every day motoring easier. If you need a service or repair, they’ll come to you at your home or work.

Book a car diagnostic

Our mobile mechanics will spend up to 30 minutes checking your car for faults and talk you through any repairs you might need and give you a report for your records. There are various ways we can check for faults, which could include plugging in to check your car’s onboard engine management system.

OEM quality parts

We use original equipment manufacturer (OEM) standard parts, which means every new part will be the same standard and same quality as the original part it replaced.

Mechanics you can trust

Our mobile mechanics are friendly, honest, and backed by the RAC.

Close up of an RAC Mobile Mechanic running a vehicle diagnostic check

Book a repair

It’s easy to book a car repair online. We bring the garage to you with RAC Mobile Mechanics, or find a trusted local garage. Common repair jobs include:

Clutch Replacement

We diagnose and repair clutch issues – whether your clutch is heavy or slipping, or you’re having trouble changing gears.

Alternator repair

We check and correct alternator faults to keep your charging system running smoothly.

Oil change

Oil is vital to a healthy engine, so it’s important to change it regularly.

Brake pads & Discs

If your brakes are making noise or you’re noticing reduced stopping power, it’s likely time to replace your brake pads or discs.

And it’s not just car diagnostics that we do in Brighton

Mobile mechanics bring the garage to you, saving you the hassle of getting your car to a garage. If you need a service or repair, they’ll come to you at your home or work.

Try one of our RAC Approved Garages

View all garages

PJE Automotive Ltd

5.0/5

Here at PJE Automotive our quality of engineering expertise and customer service is “second to none”. To tell the truth, we are proud of the high standards that we achieve at PJE Automotive. In other words, we take pride in knowing our customers have confidence in our garage. When it comes to your prestige car, we know it needs some love and care and because of this, our quality never fails. We are members of the Bosch Car Service Network which is a national network of independent garages. Our objective is to provide you with a friendly and professional service for all your motoring needs at a fair and affordable price, using Bosch and Original Equipment quality parts. Our garages are fully equipped with modern, innovative diagnostic systems for quick and accurate trouble-shooting. We are audited by, and accredited to the Trading Standards Institute (TSI) to guarantee that we maintain the high standards set by Bosch. You can rely on us for fast, expert and affordable vehicle servicing and repair work. For everything your car needs.

Unit B8 - B11 Hollingbury Trading Estate, Crowhurst Road, Brighton, BN18AF

Bayley's vehicle locksmiths ltd

4.8/5

Bayleys Vehicle Locksmiths are an experienced, reliable and skilled local business based in Hove, East Sussex. We cover the whole of Sussex, Surrey and Kent and offer a 24 hour emergency response. VEHICLE LOCKSMITHS – VEHICLE REPAIR – MOT AND SERVICING WE OFFER COMPLETE KEY CUTTING AND CODING FOR MOST VEHICLES, INCLUDING HGVS & LGVS. HAVE YOU LOST YOUR HGV KEY OR NEED A SPARE ONE? WE COVER THE WHOLE OF SUSSEX, SURREY, AND KENT AND OFFER A 24-HOUR EMERGENCY RESPONSE. WE PROVIDE A FULL CODING SERVICE– ECU CODING – BSI UNITS AND CIM UNITS. ALL DONE AT OUR WORKSHOP OR WE CAN COME TO YOU. We offer complete Key cutting and coding for most vehicles, including HGVs & LGVs. Our team of experts can get your car fixed up in no time, so you can get back to your busy schedule. We also offer MOT and servicing services, so if your vehicle is due for its annual check-up, give us a call! Our expert technicians are only a phone call away when you need them!

Unit 1 D, Cambridge Grove, Hove, BN33ED

A J Robertson LTD

3.8/5

A J Robertson LTD

1-8 Albert Mews, Hove, BN32PP

Ron Young Motors Ltd

3.8/5

Established in 1981, Ron Young Motors Ltd is a long running independent garage located in Peacehaven. Comprised of a tight-knit group of 6 passionate mechanics, with 130 years’ worth of experience racked up, we are ready to tackle any issue you bring to us. We offer a flexible service, with warranties offered on labour and parts. In addition to this we can provide collection and delivery for your vehicle (up to 3 miles), or a courtesy car if that is necessary. If you have an issue with your vehicle, please don't hesitate to give us a call, we're always happy to help.

Units E4 And E5 Hoyle Rd, Peacehaven, BN108LW

Thwaites Mot & Service Centre Ltd

3.1/5

Thwaites Mot & Service Centre Ltd is a family-run independent garage, situated in a new purpose built workshop in Portslade. Now offering state of the art technology to service, fault-find and maintain your New Mini. Thwaites Mot & Service Centre have been servicing the Motor Industry for 15 over years, just outside Brighton City Centre, we are also members of the Retail Motor Industry Federation (Independent Garage Association), subscribing to their quality control programme & abiding by their codes of practice. We service, repair & carry out M.O.T Testing on motorcycles and motor vehicles, which can be arranged either by telephone appointment or can be booked online. Courtesy cars are available for local use when available, our retail range includes tyres, batteries, exhaust systems, brakes and a full range of parts for a wide range of vehicles, with parts deliveries made to our workshops several times a day.

Unit 1 William Street Trading Estate, William Street, Portslade, BN41 1PZ

Frequently asked questions on car diagnostics

How much does it cost to diagnose a car problem?

The cost you pay can vary depending on the type of car and how complicated the diagnostic test. Check with your mechanic for a quote.

Is a car diagnostic test worth it?

Yes, a diagnostic test may save you a lot of money. It finds issues early before they become costly repairs. It can also keep your vehicle running efficiently and safely.

Can I do a car diagnostic myself?

While you can buy a diagnostic tool, interpreting the results needs expertise. It’s best if you to have a professional mechanic perform the test.

How long does a car diagnostic test take?

Diagnostic tests take from 30 minutes to a few hours. This depends on what issues are being looked at.

What are common car diagnostic codes?

Common diagnostic trouble codes include:

P0300: Random/Multiple Cylinder Misfire Detected
P0420: Catalyst System Efficiency Below Threshold
P0171: System Too Lean (Bank 1)

These are general examples, so your car may have different codes. Always check with a mechanic so you get an accurate diagnosis.

Is a car diagnostic test necessary for a service?

Yes, they are. Regular diagnostics can help keep your car in good health. It makes sure that underlying issues are addressed quickly, so you can drive with peace of mind on the road.

Again, keep in mind that mechanics might have their own checklists. Chat with your mechanic to be sure that they address any specific issues you have.