P2Axx codes — Fuel & air metering and auxiliary emission controls
12 generic powertrain trouble codes from P2A00 to P2A11. Each links to its page: what it means, how serious it is, and how to fix it.
- P2A00O2 Sensor Circuit Range/Performance Bank 1 Sensor 1
- P2A01O2 Sensor Circuit Range/Performance Bank 1 Sensor 2
- P2A02O2 Sensor Circuit Range/Performance Bank 1 Sensor 3
- P2A03O2 Sensor Circuit Range/Performance Bank 2 Sensor 1
- P2A04O2 Sensor Circuit Range/Performance Bank 2 Sensor 2
- P2A05O2 Sensor Circuit Range/Performance Bank 2 Sensor 3
- P2A06O2 Sensor Negative Voltage Bank 1 Sensor 1
- P2A07O2 Sensor Negative Voltage Bank 1 Sensor 2
- P2A08O2 Sensor Negative Voltage Bank 1 Sensor 3
- P2A09O2 Sensor Negative Voltage Bank 2 Sensor 1
- P2A10O2 Sensor Negative Voltage Bank 2 Sensor 2
- P2A11O2 Sensor Negative Voltage Bank 2 Sensor 3