S60 hybrid defective ECU

Experiencing reduced engine power in my 2016 Volvo S60 hybrid, with an error pointing to a defective engine control unit. Could a defective main relay be the cause?

4 comment(s)

I had similar symptoms with my 2018 Opel Insignia hybrid. The computer module was throwing errors. Have you checked the battery and alternator?

I've tested the battery and alternator, and they seem fine. Could you share more about the issues you had with your Opel and how they were fixed?

The errors persisted even after a new battery. It turned out to be a faulty ECU, which needed to be replaced. Try cleaning the contacts first, but I'd suggest a trusted workshop.

A faulty main relay caused the defective ECU. Repair costs were about 120€.

Join the discussion now: