Vehicle Diagnostics — Professional Fault Finding in Chesterfield
Warning light on? Start here. IMI Level 3 qualified diagnostics.
At Concept-R, we use professional-grade diagnostic equipment — the same tools used by main dealers and specialist garages — to read fault codes, assess live data, and understand exactly what is happening inside your vehicle's electronic systems. We don't guess. We diagnose.
Our team holds IMI Level 3 in Electronic Diagnostics — a professional qualification specifically focused on vehicle electronic systems and fault finding. This is not a one-size-fits-all code reader. This is trained, experienced diagnostics using equipment capable of reading all major vehicle systems across all modern vehicle platforms.
We carry out a diagnostic check before every single remap we perform. If your vehicle has existing faults — even ones you're not aware of — remapping without addressing them can mask the fault or produce suboptimal results. Our pre-remap diagnostic is included in every service price.
Split Payments via Bumper
Spread the cost of your service into manageable monthly payments — interest-free options available through Bumper. No deposit required. Ask us for details when you enquire.
See It in Action
Watch how we deliver professional results — right here at our Barlborough Links workshop.
What's Included
- Full vehicle diagnostic scan (all modules)
- Fault code reading and interpretation
- Live data analysis where required
- Written diagnostic report
- Recommendation and repair quotation
What You Can Expect
Common Dashboard Warning Lights — What They Mean
Engine Management Light (amber/red)
The ECU has detected a fault in the engine management system — could be a sensor, injector, turbo, or emissions-related fault. Amber = investigate soon. Red = stop driving immediately.
DPF Warning Light
Your diesel particulate filter is blocked and needs attention. Don't ignore — book within days before blockage worsens.
Learn MoreAdBlue Warning Light
AdBlue system fault or low fluid level. If countdown timer showing, call us today.
Learn MoreEGR Fault / Emissions Warning
EGR valve or related emissions system fault. Investigate soon — affects fuel economy and performance.
Learn MoreTurbo/Boost Pressure Warning
Turbocharger or boost pressure system issue. Get it checked before driving long distances.
Glow Plug Light (stays on)
Glow plug fault — affects cold starting on diesel engines. Investigate before winter.
Professional Equipment — Not a £50 Code Reader
There's a significant difference between a consumer OBD reader that tells you a generic fault code and professional-grade diagnostic equipment that reads live engine data, full fault code history, module-specific data and allows software commands to be sent to individual vehicle systems.
- Reading and clearing fault codes across ALL vehicle modules — not just engine management
- Accessing live data streams from all sensors simultaneously
- Performing component activation tests (e.g. testing injectors, EGR valves, actuators individually)
- Reading and writing ECU software — essential for coding and remapping
- Accessing manufacturer-level data for Ford, Volkswagen Group, BMW, Mercedes and most other mainstream brands
- Completing guided diagnostic routines for specific fault types
A generic code reader tells you something is wrong. Our equipment tells you what is wrong, why it's wrong, and what needs to happen to fix it.
Frequently Asked Questions
How much does a diagnostic check cost?+
My warning light has come on — do I need a diagnostic before anything else?+
Can you diagnose faults that my local garage has been unable to identify?+
Do you offer pre-purchase diagnostic checks?+
Learn More About Diagnostics
You May Also Need
Lifetime Warranty
Your remap, forever backed. If your ECU is ever reset, we reinstall free of charge.
Money-Back Guarantee
Not happy? We return your vehicle to standard and refund you. No small print.
MET Company of the Year
Nationally recognised as one of the UK's leading vehicle remapping specialists.
240+ Five-Star Reviews
Real customers. Real vehicles. Real results. Read them on Google.
"Book with confidence. There is literally no risk."