Car Diagnostics | Book a Car Diagnostic for your Toyota

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.

RAC Mobile Mechanics can carry out car diagnostics on popular Toyota models such as Yaris, Yaris Cross, Corolla, C-HR, and RAV4. This service is completed at your home or workplace, following Toyota maintenance guidance and using OEM‑equivalent parts. You get clear pricing, real‑time updates and a convenient, no‑hassle experience.

Close up of an RAC Mobile Mechanic underneath a car

Our top pick for your Toyota

We’ll come to you at home or work

RAC Mobile Mechanic for your Toyota

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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.

And it’s not just car diagnostics that we do for your Toyota

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

CENTRAL AUTO REPAIRS LTD

4.4/5

Central Auto Repair Services is a place where we repair cars with the utmost care and attention. While you can go to several other garages for the same work, we give you plenty of reasons for why should you rather visit us. Since its establishment, Central Auto Repair Services has never stopped evolving and upgrading its facilities and services. We want to make sure that we take care of your vehicles in the best possible way, as it is something that you treasure so much. Over the years, word of mouth has been our biggest advertisement method. We have made sure that we provide our customers with nothing less than satisfaction, while they let others know about our standards as well. From a small garage run by a family to being one of the best garages in the city, Central Auto Repair Services has a story of its own. While the first technicians were none other than the family members, we now take pride in our extended family of experts. Over time, we have trained our technicians extensively to make sure that they deliver nothing less than quality services. We also make sure to help them gain confidence and fluency with their work, which is helpful when someone asks for advice related to their cars. They are now some of the best technicians in the city which is all thanks to their years of hard work and dedication. While our experts have contributed so much time in making themselves better and more efficient, we considered it our duty to help them as well. We make sure that the latest pieces of equipment are available at Central Auto Repair Services. This helps them enhance their work quality even more while being able to satisfy our customers with more efficiency. Our customers have never had to complain about an issue that wasn’t dealt with properly, and neither about some issue which could be the result of our carelessness. We know that your time is precious, and so are you for us. We offer a wide range of best in class services for your car. We can efficiently deal with all the parts of your car like brakes, clutches, cambelts, wheel balancing and alignment, diagnostics, etc. We make sure that all of these services are dealt with the greatest care and no scope of error is left. As part of our efficient servicing system, all the cars undergo a complete check-up to ensure that the work done is proper and effective. Central Auto Repair Services are not only known for their diagnostic services, but also for providing our customers with quality products. In case you are looking for a new set of tyres for your car, you can get some of the best ones from us. We have a wide range of latest tyres from top manufacturers like Bridgestone, Continental, Dunlop, Michelin, and Yokohama. We have a collection of all the types of tyres that they manufacture. From budget tyres to performance tyres, Central Auto Repair Services is a hub for all types of tyres. We work for your satisfaction and to gain your trust through our work. We promise to deliver nothing but top-notch quality services to our customers and never let them be in trouble due to our ignorance. Being a family-led business, we know what safety of your loved ones means and we make sure to never compromise it. Visit us at Central Auto Repair Services and you’ll never have to give it a second thought to visit us again. We believe that the only hard work that you should do is pay the bills, the rest is our stuff to take care of, and we do that damn well.

Central Auto Repair Services, Bridge Road Garage, Worthing, BN147BU

DS Auto & MOT Ltd

4.2/5

DS AUTO, is a family run business, based in Old Trafford and we cover all Manchester and the surrounding areas for Recovery, Breakdown and Garage service. We work alongside most of the insurance companies and will bet any quote, best price guaranteed. You can rest assure your vehicle is in safe hands. So give us a call

1 Wharfside Way, Trafford Park, Manchester, M171AW

Brooklands Service Centre

4.7/5

Brookland's have been here for 30 years. We are proud in everything we do and carry everything out to a high spec. Brookland's technicians carry over 15 years of experience an have delt with many aspects of different makes and models over the year, they all carry the correct qualifications from MOT license's to NVQ 2&3. We ain’t afraid to to take on any job an work constantly around the clock the get vehicles back on the road the same day. We carry out a wide range of diagnostic test's and checks, to service and repairs we also do mot's. As on the other hand we also carry out a wide range of body work and repairs too..

162 Armley Road, Leeds, LS122TY

IN'n'OUT Autocentres Norwich

4.5/5

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!!

545 Hall Road, Norwich, NR46NQ

LDN AUTO SERVICES LTD

4.2/5

Welcome to LDN Auto Services, we take pride in offering a wide range of services to cater to all your vehicle repair needs. From basic maintenance tasks such as oil changes and brake inspections to more complex repairs like engine overhauls and transmission replacements, our team of skilled technicians is here to ensure that your vehicle is running smoothly and efficiently. Trust LDN Auto Services for all your automotive needsHighly experienced technicians with expertise in a wide range of vehicles - RAC Approved Garage - State-of-the-art equipment to diagnose and repair vehicle issues efficiently - Competitive pricing and transparent billing for quality service

Unit 9, Harrison Drive, Braintree, CM71DE

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.