Technician reading live engine data on a diagnostic tablet plugged into a car

SHIFT Performance · Powered by South East ECU Tuning

Vehicle Diagnostics

Find out what's actually wrong with your car — not just which light is on.

Basic fault-code reading

  • Shows stored fault codes
  • Says which system reported a problem
  • Doesn't say why it happened
  • Clearing a code doesn't repair the fault

Advanced fault investigation

  • Reads engine and ECU fault codes
  • Investigates the underlying mechanical or electrical fault
  • Reviews live data while the fault is present
  • Ends with a report and recommended repairs

Diagnostics are intended to identify faults and recommend appropriate repairs, rather than simply clearing warning lights. A scan reports the available fault codes and the systems that logged them. Codes are only cleared where appropriate, and clearing a code does not fix the underlying problem.

What diagnostics covers

  • Engine fault-code scanning
  • ECU fault-code diagnostics
  • DPF system diagnostics
  • EGR system diagnostics
  • Sensor fault investigation
  • Engine performance fault investigation
  • Electrical fault-code investigation
  • Diagnostic report and recommendations

Final price confirmed after your vehicle is assessed. Any extra time or repairs are agreed with you first.

Book diagnostics

Tell us what the car is doing and we'll come back to you with what we can check, where, and when.

ECU remapping and diagnostics are appointment-based. We assess your vehicle and your location first — we can't promise that every job can be carried out at your home or workplace, and sending a form doesn't confirm an appointment.

Already have fault codes or a report? Send it to us on WhatsApp.Ask about ECU remapping