P0052
HO2S Heater Control Circuit High Bank 2 Sensor 1
2016-2016 Ford Explorer 3.5L V6 EcoBoost
Low SeverityPowertrainGeneric (SAE)
The 2016 Ford Explorer is equipped with a 3.5L V6 turbocharged gasoline engine. Below you'll find detailed p0052 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
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
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P0052 on Other Vehicles
Common Questions
What does code P0052 mean on a 2016-2016 Ford Explorer?
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 Ford Explorer?
Common symptoms of P0052 include: Check Engine Light.
What causes P0052 on a 2016-2016 Ford Explorer?
Common causes of P0052 include: Short to power, Faulty sensor.
Last updated: March 2026
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