Electrics and diagnostics

Electrical fault finding and diagnostics

We find the fault through proper diagnosis, not by swapping parts on a guess. Our speciality is the electrical systems of German cars.

Contact us +358 44 585 5154

What we look into

  • Electrical fault finding: broken wires, short circuits, corroded connectors and earth faults.
  • Engine electrics diagnosis, for example ignition and fuel delivery: no start, misfires, hesitation and lack of power.
  • Airbag systems: warning lights, sensors, seat and steering wheel connections.
  • Immobiliser: the car will not start, the key is not recognised or the immobiliser will not release.
  • Network and communication faults, when control units stop talking to each other.
  • Warning lights that stay on or come and go.

How diagnosis works

  1. Symptoms. When the fault appears, how often, and what has already been done.
  2. Codes and data. We read the fault memories and live data of the control units.
  3. Measurement. Voltages, earths, signals, and how sensors and actuators behave.
  4. Result. We tell you what we found and what the repair takes, and agree the next step.

An intermittent fault is the hardest to find. If you know when it happens (cold, in the rain, driving over a pothole), tell us, because it speeds up the work.

Frequently asked

How much does fault diagnosis cost?

Fault diagnostics costs €100/h (VAT included). A fault code read and reset with a written report costs €50.

Why is reading the fault code not enough?

A fault code usually tells where the fault shows up, not what causes it. The same code can come from a sensor, the wiring, a connector or the control unit. That is why we measure before any parts are replaced.

The car will not start and the immobiliser light is on. Can you help?

Yes. Immobiliser faults are typical work for us. Tell us the make, model and year, and what happened before the fault, and we will assess it.

Tell us about the car and the fault

The more detail you give, the sooner we can tell you what the job takes.

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