P0057
HO2S Heater Control Circuit Low Bank 2 Sensor 2
2020-2024 Citroën C4 Electric 🇩🇪
Low SeverityPowertrain
Description
Low voltage in the Bank 2 Sensor 2 O2 heater circuit.
Symptoms
- Check Engine Light
Common Causes
- Short to ground
- Faulty sensor
Diagnostic Steps
- Test voltage
- Check for shorts
Repair Notes
Repair or replace.
Related Codes
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P0057 on Other Vehicles
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2018-2024 1.2L I3 PureTech
Citroën Berlingo
2018-2024 1.5L I4 BlueHDi
Citroën Berlingo
2018-2025 1.2L I3 Turbo PureTech 110
Citroën Berlingo III FR
2018-2025 1.2L I3 Turbo PureTech 110
Citroën C1 III
2014-2022 1.0L I3 VTi 72
Citroën C1 III
2014-2022 1.2L I3 PureTech 82
Citroën C3
2016-2024 1.2L I3 PureTech
Citroën C3
2016-2024 1.5L I4 BlueHDi
Common Questions
What does code P0057 mean on a 2020-2024 Citroën C4?
P0057 stands for "HO2S Heater Control Circuit Low Bank 2 Sensor 2". Low voltage in the Bank 2 Sensor 2 O2 heater circuit.
What are the symptoms of P0057 on a Citroën C4?
Common symptoms of P0057 include: Check Engine Light.
What causes P0057 on a 2020-2024 Citroën C4?
Common causes of P0057 include: Short to ground, Faulty sensor.