Typical signs
When this problem may fit.
- You are not sure whether it is key, ECU or electronics
- The fault appears intermittently
- Errors were cleared but the issue came back
- You want to explain the case before booking

Symptom-based guidance
You do not need to know the technical service name. Symptoms, warnings and vehicle behaviour are enough to guide the first step.
Typical signs
What gets checked
Quick questions
Yes. The best starting point is make, model, year, symptoms, dashboard warnings and whether the vehicle starts.
No. The first assessment starts from the symptom, then we decide which service fits best.
Yes. The main service is home service in Santiago de Compostela and surrounding areas. Appointments are limited to keys, remotes, ECUs and removed electronic modules.
Quick contact
Share make, model, year, symptoms and service area. We confirm home service or appointment for keys, remotes, ECUs and removed electronic modules.