P0038
HO2S Heater Control Circuit High Bank 1 Sensor 2
2011-2015 Ford Explorer 3.5L V6
Low SeverityPowertrainGeneric (SAE)
Description
The voltage in the Bank 1 Sensor 2 O2 heater circuit is higher than expected.
Symptoms
- Check Engine Light
- Possible overheating
Common Causes
- Short to power
- Faulty sensor
- Relay issue
Diagnostic Steps
- Test heater voltage
- Check for shorts to power
- Test resistance
Repair Notes
Repair short or replace sensor.
Related Codes
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P0038 on Other Vehicles
Common Questions
What does code P0038 mean on a 2011-2015 Ford Explorer?
P0038 stands for "HO2S Heater Control Circuit High Bank 1 Sensor 2". The voltage in the Bank 1 Sensor 2 O2 heater circuit is higher than expected.
What are the symptoms of P0038 on a Ford Explorer?
Common symptoms of P0038 include: Check Engine Light, Possible overheating.
What causes P0038 on a 2011-2015 Ford Explorer?
Common causes of P0038 include: Short to power, Faulty sensor, Relay issue.