Welcome to JD Auto Services

Your Trusted Mobile Mechanic Serving South Wales

Mobile Diagnostic Check In South Wales For Peace Of Mind

Fast, Accurate Fault Finding At Your Door

Need a mobile diagnostic check in South Wales? We bring professional car diagnostics to your driveway or workplace, saving you time and stress. With 15 years’ experience, clear, transparent pricing, and friendly communication, we pinpoint issues quickly using modern scan tools and systematic testing. You get an explanation in plain English, sensible next steps, and repairs arranged if needed, with a 12‑month parts and labour warranty on our repair work. Book online now for a convenient slot.

What A Mobile Diagnostic Check Covers

Full system scan and fault code reading, with live data
Electrical and sensor testing, wiring and connector checks
Charging and starting system tests, battery health
Pressure or smoke testing for intake and vacuum leaks where suitable
Road test and report, clear recommendations, and estimated costs

Common Problems We Diagnose And Resolve

Warning lights for engine, ABS, airbag, or DPF
Misfires, rough idle, poor fuel economy
No start, intermittent cut out, or limp mode
Charging, starting, or battery drain issues
Sensor faults, boost leaks, and EGR concerns

Diagnostic Expertise With JD Auto Services

As a mobile mechanic in South Wales, we come to you at home or work, keep you informed, and agree costs before any repairs begin. You can expect fair pricing, quality parts, and careful workmanship that is tested on the road. Our goal is to find the root cause, fix it properly, and give you confidence to carry on driving with peace of mind.

Areas We Cover Across South Wales

We serve a 20-mile radius, supporting drivers in Cardiff, Newport, Barry, Penarth, Caerphilly, Pontypridd, Bridgend, Cwmbran, Cowbridge, and Llantrisant. If you are nearby, book online and we will confirm availability.

Book Online Now

Ready to get answers fast? Book online now to choose a convenient time or call 07707942002 for friendly advice. Tell us your location, your vehicle, and the symptoms you have noticed. We will arrive prepared, diagnose the fault, and provide clear options with transparent pricing, and a reliable plan to get you back on the road.

How it works

Book Online in 3 Easy Steps

We’ve made it easy for you to book with us, make a booking in minutes so you can get on with your day!

Enter your car registration number

This is so we can provide accurate pricing for your make and model

Choose a service we offer

We provide transparent pricing, so you know how much you’ll be spending before the day of the appointment

Enter your details and wait for confirmation

We will call you to confirm your booking as soon as we can - Don’t worry, if you miss our call the booking is still in our diary!