Trusted & Local Mobile Vehicle Diagnostic Service
Delivering peace of mind to Cornwall with friendly and professional service.
Discover GC Diagnostic Services
We are a mobile vehicle diagnostic service operating in Cornwall offering efficient solutions for cars and vans when issues arise.
Coming from the St Austell area, we cover major areas of Cornwall including Camelford, Liskeard, Newquay, Truro and anywhere inbetween.
Value For Money
We run a competitive price scheme to always keep you ahead of the garages, charging a lower upfront cost paired with a mobile travel fee - a great solution for those working on their own vehicles.
Convenient Working Hours
Our working hours are different from the rest, choosing to operate 6pm - 9pm weekdays, and 10am - 8pm weekends, hitting the easiest times in your week.
Being a flexible service, if those times don't work for you, give us a call and we will try our best to fit you in around your schedule.
Why Wait?
Don't let the situation get worse, if you get a light on the dash always contact your mechanic.
We have a wide array of services ranging from Fault Code Reading to Service Light Resets, explore the range below!