Book a Car Diagnostic in Wolverhampton

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 Wolverhampton

We’ll come to you at home or work

RAC Mobile Mechanic in Wolverhampton

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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 Wolverhampton

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

Liontech 1996 limited

Mot test centre service and repairs diagnostics

Unit Mb2, Hves Industrial Estate, Primrose Avenue, Wolverhampton, WV10 8AW

Certified Repair Centre Ltd.

Certified Repair Centre Ltd. – Multi‑Award Winning Garage Excellence At Certified Repair Centre Ltd., we set the benchmark for independent garages in the UK. Proud winners of the 2025 Best Garage Award in the West Midlands, we are recognized for our technical precision, customer-first approach, and consistent delivery of outstanding results. We are trusted members of the RAC, Assurant, Cazoo, and Close Brothers approved garage networks, and are warranty-approved repairers for leading providers. Our reputation is built on transparency, integrity, and advanced expertise, making us the go-to choice for both customers and warranty partners. Every vehicle we service undergoes thorough diagnostics, no matter how big or small the job. Using specialist tools and cutting-edge technology, we can diagnose and resolve even the most complex issues. Our goal is always to provide long-term, cost-effective solutions tailored to each customer’s needs. Our personalized programming services are in such high demand that they are used by service garages across the UK, further establishing us as a trusted technical authority. Our Specialisms Warranty Repairs Timing Chains & Belts ECU Programming DPF / EGR / AdBlue Solutions Maintenance & Servicing Engine Rebuilds & Upgrades Brake Repairs & Replacements Clutch Repairs & Replacements Suspension & Steering Systems Gearbox Diagnostics & Repairs Battery & Charging Systems Air Conditioning Servicing & Repairs Exhaust Systems Electrical Fault Diagnosis Achievements & Recognition: Winners of the 2025 Best Garage Award in the West Midlands. Consistently rated 5 stars on FixMyCar, with recognition as a regional top performer. Multi-award nominations for excellence in customer service and technical expertise. Trusted by national warranty providers and service networks. We are proud to offer exclusive diagnostic and software solutions that are not available elsewhere, setting us apart as a true industry leader. Please Note: While we do not currently offer MOTs in-house, we can arrange appointments at trusted local garages at competitive rates.

Unit 26 Downs Road, Willenhall, WV132PY

Birway Total Vehicle Solutions

Established in 1972 we have grown into a total vehicle solutions centre combining traditional garage services to the local general public with transport logistics and vehicle fleet solutions to businesses on a nationwide scale. Part of the Hammonds Group, we are a multi-million pound turnover business working for Blue Chip organisations, Fleet Operators, Vehicle Finance Companies, Housing Associations & Banks. We provide them with a range of services including the movement of vehicles, servicing, accident repair and preparation for sale. Through impressive service, excellent teamwork, combined with our direct, ‘hands on’ approach we always look to deliver outstanding results to all of our customers. We are a professional company which prides itself on integrity, reliability and the speed in which we complete our services. Working in partnership with our clients, we provide a tailor-made and cost effective solutions for all your vehicle needs. As an approved Ministry of Transport Testing Centre and membership of BVRLA, Retail Motor Industry Federation, Good Garage Scheme and the Motor Industry Code of Practice, and in conjunction with ISO 9001 & ISO 14001 accreditations you can be assured that we operate to rigorous standards.

90 Newhall Street, Willenhall, WV13 1LQ

Brownshore Motors.

Brownshore Motors was originally established in 1968 by Jack Clutton and was taken over in the late 1970’s by Warren Clutton who is still running the family business to this very day. Our mechanics and technicians have a wealth of knowledge in working on motor vehicles and we have been servicing the Willenhall area for the past 50 years. We run a clean welcoming garage and ensure that with all work we undertake we are fair and honest in our pricing and will always give you the final price you will pay before any work is undertaken so you will never be stung with unexpected costs. As being a Member of motorcode and an RAC approved garage. We also offer a collection and delivery service for those within 5 miles of us and can provide you with courtesy car (depending on availability).

Unit E2, Ezekel Lane Short Heath, Willenhall, WV125QU

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.