P0052
HO2S Heater Control Circuit High Bank 2 Sensor 1
2004-2007 Buick Rainier 4.2L I6 🇨🇦
Low SeverityPowertrain
Description
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.
Related Codes
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P0052 on Other Vehicles
Common Questions
What does code P0052 mean on a 2004-2007 Buick Rainier?
P0052 stands for "HO2S Heater Control Circuit High Bank 2 Sensor 1". High voltage in the Bank 2 Sensor 1 O2 heater circuit.
What are the symptoms of P0052 on a Buick Rainier?
Common symptoms of P0052 include: Check Engine Light.
What causes P0052 on a 2004-2007 Buick Rainier?
Common causes of P0052 include: Short to power, Faulty sensor.