Typical signs
When this problem may fit.
- The ECU does not communicate with diagnostics
- The vehicle does not start after replacing a module
- Multiple faults appear without clear relation
- Control unit is water-damaged, burnt or replaced

Symptom-based guidance
A damaged or badly adapted control unit can prevent starting, trigger faults across several systems or block vehicle functions.
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.