Symptom-based guidance

CAN communication fault in Santiago de Compostela.

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

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

What gets checked

First technical checks.

  • Condition of the network and main modules
  • Power, grounds and communication lines
  • Related fault codes
  • Testing after repair or adaptation

Quick questions

Before explaining the case

Can Ziggy Chip review this case?

Yes. The best starting point is make, model, year, symptoms, dashboard warnings and whether the vehicle starts.

Do I need to know which module is failing?

No. The first assessment starts from the symptom, then we decide which service fits best.

Is the service provided at home?

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

Tell us what is happening with your vehicle.

Share make, model, year, symptoms and service area. We confirm home service or appointment for keys, remotes, ECUs and removed electronic modules.