Book a Car Diagnostic in West Bromwich

Trustpilot rating for all RAC Mobile Mechanics.

Why choose the RAC for a car diagnostic?

With RAC Mobile Mechanics, you can avoid the hassle of taking your vehicle to a garage. They can do a vehicle diagnostic check on your driveway, so you don't even need to leave the house.

When it comes to diagnosing issues with your vehicle, our friendly expert mechanics are here to help. We use state-of-the-art diagnostic equipment to accurately identify any problems, ensuring your vehicle runs smoothly and safely. The price includes the diagnostic service – no hidden costs. Just friendly, honest experts.

Close up of an RAC Mobile Mechanic underneath a car

Our top pick in West Bromwich

We’ll come to you at home or work

RAC Mobile Mechanic in West Bromwich

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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.

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

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.

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.

Average cost of a vehicle diagnostic by car make^

The RAC charges a flat rate for the cost of a car diagnostic but prices may change due to inflation. According to RAC data, the average cost of a car diagnostic is £87.

Make	Average price
Ford	£105
Vauxhall	£105
Volkswagen	£105
Peugeot	£104
Mercedes-Benz	£104
Nissan	£106
BMW	£107
Audi	£106
Renault	£104
Citroen	£104

^Average price quoted for RAC Mobile Mechanics from 01/01/25 to 31/03/25.

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

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.

A close up of an RAC mobile mechanic looking under the hood of a car

Try one of our RAC Approved Garages

View all garages

MAX Automotive Group Ltd

We are a professional, independent workshop specialising in car, van, EV, and hybrid vehicle maintenance. (we now offer payment assistance via payment assist) Alongside servicing and repairs, we support local businesses and small fleets with planned maintenance, MOT management, and reliable turnaround times to minimise vehicle downtime — including electric and hybrid work vehicles. Our technicians are experienced in maintaining petrol, diesel, hybrid, and electric vehicles, using the correct procedures and equipment to ensure safety, reliability, and compliance. We pride ourselves on clear communication, honest advice, and high-quality workmanship. Whether it’s a one-off job or ongoing vehicle support, you can expect a friendly, professional service from start to finish. Trade, van, EV/hybrid, and fleet customers welcome.

Unit 20, Springfield Estate, Oldbury, B694HH

PS (2009) Limited

Unit 1 Hurst Lane, Tipton, DY4 9AB

Middlemore Coachworks

With quality selected management systems in place, Middlemore Coachworks have adapted to new technology and changing trends, all while providing industry-leading repairs for our customers. Whether you need us to repair your old Rover or buff out a dent on your new Audi, we take pride in providing effective repair services for all the major vehicle retailers. We only use the latest tools and technology in our repair centre, giving us superior precision and efficiency to stay competitive without compromising on quality. By using the right tools for the right jobs, our keen eye for detail means we can deliver you a result that exceeds expectations. At Middlemore Coachworks, our staff can carry out all kinds of services on your car, from replacing your oil or carrying out a full MOT as well as simply giving you a recorded virtual tour on our customer car Portal. Feel free to request details at our branch. We give every car that comes through our doors the care and attention it needs, and only use quality parts on your car, this means that you get the best possible results, every time. Like many of our customers, we have a genuine passion for cars and will care for your car as much as we would for our own, even in the event of Major accident damage repairs. Thanks to our friendly, bi-lingual staff and the quality of our work, word of mouth has been one of the best sources of publicity for us and our customers come from all walks of life. Because of our dedication to quality repairs and exceptional customer service, our results speak for themselves and our reputation is paramount.

Unit 118, Middlemore Business Park, Birmingham, B662EA

ER Automotive

Our technicians are skilled to deliver a number of car-related services. Be it new tyres, clutch, exhaust, cambelt, battery or air conditioning, etc., if any one of these things is bothering a motorist with their ride, we are here to help. The team make sure that none of the serviced cars has to return back to the ER Automotive garage for the repaired part any time soon. We are also authorised to conduct genuine MOT tests in Birmingham. We perform extensive research to assort only quality tyres at ER Automotive garage in Smethwick. The models in our store reflect the brilliance of brands like Goodyear, Michelin, Pirelli, Bridgestone, and Dunlop, etc. It is the unrivalled dedication of our team that has put us in front of the line of tyre dealers in Birmingham. Please check our Google reviews for peace of mind!

Service Station, Cranford Street, Birmingham, B662RX

IN'n'OUT Autocentres Wednesbury

At IN’n’OUT Autocentres we offer fixed prices MOTs and Servicing for any make and model of car with no hidden extras. We are proud to be a ‘Which? Trusted Trader’ so we are really a garage you can trust. We also have a 5 Star Trustpilot reviews rating. We provide OEM parts and 12 months warranty on all parts and servicing. We only use premium Castrol oils in all servicing. Our services are all completed ‘while-u-wait’ so you have never have the inconvenience of losing your car for the day. You can watch your car as it is being worked on through the viewing window or sit back and relax in our clean and comfortable customer lounges with FREE Wi-Fi and coffee and read the latest magazines. Check out our latest reviews and BOOK NOW!!

Axletree Way, Wednesbury, WS10 9QY

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.