Hello, after changing the four heater I check that the light of heater of the painting does not go out. With the diagnosis it does not give any failure. You have any guidance of what can happen. Thank you a greeting
In some models (Seat Ibiza for example) they use that witness to indicate molten brake lights, ...... Check it and question in concessionaire just in case.
hi, friend. Perform a spark plug light operation test with an advanced scanner and you will check if the electrical signal from the ECU to light is operational. luck.