Join Date: Jan 2006
Location: Northern NJ
Car Year: 2014
Car Model: Impreza Ltd
Feedback Score: 6 reviews
Since the failure is Heater circuit 'low', that indicates the heating element is open, not shorted.
It MAY still be an intermittent heating element in the oxygen sensor, but this can also be a poor connection. I would check the connector at the front oxygen sensor to ensure it's plugged in and seated. Also ensure none of the wires around it are damaged.
98S, 2014 Impreza 5 dr Ltd (9 Subaru's since 1978, 7 were 5 sp) ILuvSubaru's