P0038low severityPowertrain
HO2S Heater Control Circuit High Bank 1 Sensor 2
on 2015 Kia Forte 1.8L I4 · FWD
What this code means
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.
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P0002
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P0003
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P0004
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P0005
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P0006
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P0007
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P0008
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P0009
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P0010
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