P0050
HO2S Heater Control Circuit Bank 2 Sensor 1
2021-2024 Dacia Spring Electric 🇩🇪
Low SeverityPowertrain
Description
The PCM detected a malfunction in the heater circuit of the upstream O2 sensor on Bank 2.
Symptoms
- Check Engine Light
- Poor fuel economy
- Longer warmup emissions
Common Causes
- Faulty O2 sensor heater
- Blown fuse
- Wiring damage
Diagnostic Steps
- Check fuse
- Test heater resistance
- Inspect wiring
- Test PCM output
Repair Notes
Replace O2 sensor or repair wiring.
Related Codes
Other Powertrain Codes
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- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
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- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P0050 on Other Vehicles
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Dacia Bigster
2025-2025 1.6L I4 Hybrid 155
Dacia Duster
2017-2024 1.0L I3 TCe
Dacia Duster
2017-2024 1.3L I4 TCe
Dacia Duster
2017-2024 1.5L I4 dCi
Dacia Duster
2024-2025 1.0L I3 TCe 100 LPG
Dacia Duster
2024-2025 1.2L I3 Hybrid TCe 130
Dacia Duster PL
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Common Questions
What does code P0050 mean on a 2021-2024 Dacia Spring?
P0050 stands for "HO2S Heater Control Circuit Bank 2 Sensor 1". The PCM detected a malfunction in the heater circuit of the upstream O2 sensor on Bank 2.
What are the symptoms of P0050 on a Dacia Spring?
Common symptoms of P0050 include: Check Engine Light, Poor fuel economy, Longer warmup emissions.
What causes P0050 on a 2021-2024 Dacia Spring?
Common causes of P0050 include: Faulty O2 sensor heater, Blown fuse, Wiring damage.