Ford B-Max P0031: O2 Sensor Heater Control Circuit → Low B1S1
P0031 is a generic code, which means that it has the same meaning for the Ford B-Max as it would any other OBDII equipped vehicle. As far as diagnostic trouble codes go, this is a relatively easy one to diagnose. It is usually caused by a bad oxygen sensor, or a wiring issue. Table of … Read more