Independent Diagnostics & Coding · EV · Hybrid · Petrol · Diesel

Know exactly what's wrong with your car.

Independent, dealer-level diagnostics and coding — EV and plug-in hybrid specialists, and every other car too. Battery health, fault codes, charging, high-voltage systems, module coding and auto-electrical faults. Clear answers, honest pricing, no guesswork.

40+
EV models covered
1 hr
Typical turnaround
100%
Independent advice

Live battery report — sample

State of Health (SoH)92%
Usable capacity88%
Cell balanceGood
Charging systemCheck
What we do

Diagnostics, coding & electrical fault finding

From a full high-voltage battery report to retrofit coding and tricky auto-electrical faults — we use professional, manufacturer-level equipment, not a generic code reader.

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Battery health check

Full state-of-health (SoH) report, usable capacity and cell balancing. Essential before buying or selling an EV.

from £XX / report

Fault-code diagnostics

Warning light on? We read manufacturer-level fault codes across all modules and explain what they actually mean.

from £XX
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Charging fault diagnosis

Won't charge, slow charging or errors at the socket? We test the on-board charger, port and control systems.

from £XX
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High-voltage inspection

Safety inspection of HV cables, connectors, contactors and insulation resistance for peace of mind.

from £XX
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Pre-purchase EV inspection

Buying used? Get an independent battery + systems report before you hand over your money.

from £XX
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Software & module checks

Check for outstanding updates, recalls and module communication faults across the vehicle network.

from £XX
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Car coding & programming

Retrofit coding, feature activation and module configuration — enable options, code in new parts and adapt control units to your car.

from £XX
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Electrical fault diagnostics

Tricky auto-electrical faults traced properly — wiring, sensors, lighting, battery drain and no-start issues on EV, hybrid and conventional cars.

from £XX
Simple process

How it works

Book & describe

Tell us your car and the symptoms. We'll confirm the right check and a fixed price up front.

We diagnose

Using professional EV equipment we scan every module and run battery and charging tests.

Clear report

You get a plain-English report with findings, likely causes and honest next-step advice.

Why choose us

Independent expertise you can trust

We specialise in EVs and plug-in hybrids — and in the coding and auto-electrical work most garages won't touch. Specialist answers, not guesswork.

  • Manufacturer-level diagnostic tools, not a basic OBD reader
  • Trained and insured for high-voltage safe working
  • Honest advice — we tell you what actually needs doing
  • Written report you can show a dealer or buyer
  • Mobile service available in your area
EV & PHEV specialists Coding experts HV trained & insured

Not sure which check you need?

Send us your car and symptoms and we'll point you to the right diagnostic — no obligation.

Ask a question
Ready when you are

Book your EV diagnostic today

Fast turnaround, fixed pricing and answers you can actually understand.

Book a diagnostic →