Typical signs
When this problem may fit.
- Several warning lights appear at the same time
- Modules do not respond to diagnostics
- Intermittent dashboard or system faults
- Communication U-code errors

Symptom-based guidance
The CAN network allows vehicle modules to communicate. When it fails, errors can appear across multiple systems at once.
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.