P0412
Secondary Air Injection System Switching Valve A Circuit
2020-2024 Citroën C4 Electric 🇩🇪
Low SeverityPowertrain
Description
Malfunction in the AIR switching valve circuit.
Symptoms
- Check Engine Light
- AIR system not functioning
Common Causes
- Faulty switching valve
- Wiring issue
- Relay failure
Diagnostic Steps
- Test valve solenoid
- Check wiring
- Test relay
Repair Notes
Replace switching valve or repair wiring.
Related Codes
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- 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
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P0412 on Other Vehicles
Citroën Berlingo
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 P0412 mean on a 2020-2024 Citroën C4?
P0412 stands for "Secondary Air Injection System Switching Valve A Circuit". Malfunction in the AIR switching valve circuit.
What are the symptoms of P0412 on a Citroën C4?
Common symptoms of P0412 include: Check Engine Light, AIR system not functioning.
What causes P0412 on a 2020-2024 Citroën C4?
Common causes of P0412 include: Faulty switching valve, Wiring issue, Relay failure.