V50 preheating lamp and check engine light

Hey! I had something similar with my V50. Those symptoms sound suspiciously like a defective preheating control unit. Did you check the cable and plug connections to the unit itself? Sometimes, a loose or corroded connection there can cause havoc, like a loose wire in a lamp.

Thanks for the quick reply! Yes, I did check the connections to the unit, but I didn't see anything obvious like corrosion. Could it be a deeper electrical fault that's harder to spot without specialized tools?

It's possible it's deeper, like a short circuit within the unit itself. Think of it as a small computer malfunctioning. Given the symptoms and your checks, it might be best to get it diagnosed professionally. They can pinpoint the exact cause and prevent further issues.

You were spot on! Took it to a workshop. It was indeed the cable or plug connection to the preheating control unit, like you suggested. Repair cost was 95€. Thanks a lot for the advice!