A customer in the garden with an RAC Mobile Mechanic in the background.A close-up of a customer tending to her garden with an RAC Mobile Mechanic in the background.
Service, Repairs & MOT

Car diagnostic in Haywards Heath

Book an RAC Mobile Mechanic and we’ll come to you at home or work

  • State of the art equipment
  • No hidden costs
  • Mechanics you can trust

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 Haywards Heath

We’ll come to you at home or work

RAC Mobile Mechanic in Haywards Heath

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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.

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.
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:

We diagnose and repair clutch issues – whether your clutch is heavy or slipping, or you’re having trouble changing gears.
We check and correct alternator faults to keep your charging system running smoothly.
Oil is vital to a healthy engine, so it’s important to change it regularly.
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 Haywards Heath

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

WHEELBASE

Wheelbase are an established local independent garage and are proud to be members of Autofirst Network – a nationwide network of independent garages operating to the Network’s 6 core values of Capability, Consistency, Care, Clarity, Cost Effectiveness and Customer Focus. For your added peace of mind we are members of the Motor Ombudsman service which is approved by The Trading Standards Institute. In short, we are a local garage you can trust offering you the support and service guarantees of a national network, giving you complete peace of mind. We cover Basingstoke and surrounding areas and offer courtesy cars as well as a free collection and delivery service.
24B Victoria Way, Burgess Hill, RH15 9NF

J A Autos

Looking for a reliable mechanic? Then look no further! J A Autos offers a fast and honest service to new and existing customers. Works undertaken include MOT's, Brakes, Clutches, Servicing, Transmission, Engine repairs, Steering, Suspension, Cambelts, Head Gaskets, Diagnostics and Alternator Repairs. No job to big or to small! Have no idea whats wrong with your car - that's fine. Bring it down; we won't charge you to take a look. Open Monday to Friday but available to take calls any time even after closing and at weekends, its also possible to carry out works at the weekend if needed.
Unit 3 Kilmarnock Farm, Charlwood Road, Ifield, Crawley, RH110JY

Allspeed Ltd.

Allspeed Ltd
Unit 14B, Birches Industrial Estate, East Grinstead, RH191XZ

New Street Garage

New Street Garage is a family run business that has been established in Horsham, West Sussex for over 19 years. We are conveniently situated within a 5 minute walk from Horsham town centre which makes it easy for dropping your car off. We have a team of fully qualified technicians with a vast amount of knowledge in the motor trade.
7 New Street, Horsham, RH13 5DT

KIS Autocentres Ltd

Here at KIS Autocentres 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 KIS Autocentres. 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 audited by, and accredited to the Trading Standards Institute (TSI) to guarantee that we maintain the high standards. You can rely on us for fast, expert and affordable vehicle servicing and repair work. For everything your car needs. Our contactless concept explained: On the day of your booking, you will receive a locker code via text shortly after 6:45. You will need to find our locker system located directly outside our units, for a quick and easy drop off. Use the 6 digit code sent to you via text or the QR code using the link, place your keys in the designated locker, close the locker door and leave your car with us. Please expect your vehicle to be with us for 4-6 hours. The sooner you drop off the better. We ask customers to drop off between 8-10. If you need an overnight locker to drop off a day in advance please call or email us so this can be set up. Please note there is limited parking on site therefore lockers will only be set up a day in advance. Once your vehicle has been seen, you will receive a link to view a breakdown of your vehicle healthcheck. Using this link you can accept or decline the recommended work, you can also use the chat service using this link to talk to a member of our office team. In regards to payment, this is done via bank transer or payment link. Payment is requested after the vehicle is complete. If you have any questions regarding our concept, please email [email protected].
Unit B8 - B11 Hollingbury Trading Estate, Crowhurst Road, Brighton, BN18AF

Frequently asked questions on car diagnostics

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.

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.

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.

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

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.

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.