P0037low severityPowertrain
HO2S Heater Control Circuit Low Bank 1 Sensor 2
on 2014 Ford Edge 3.5L V6 · AWD
What this code means
The voltage in the Bank 1 Sensor 2 O2 heater circuit is lower than expected.
Symptoms
- Check Engine Light
- Poor catalyst monitoring
Common causes
- Short to ground
- Faulty sensor
- Corroded connector
Diagnostic steps
- Test heater voltage
- Check for shorts
- Test resistance
Repair notes
Repair wiring or replace sensor.
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