P0052low severityPowertrain
HO2S Heater Control Circuit High Bank 2 Sensor 1
on 2011 Chevrolet Express 6.0L V8 Vortec · RWD
What this code means
High voltage in the Bank 2 Sensor 1 O2 heater circuit.
Symptoms
- Check Engine Light
Common causes
- Short to power
- Faulty sensor
Diagnostic steps
- Test voltage
- Check for shorts to power
- Test resistance
Repair notes
Repair or replace sensor.
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