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P2270

Heated oxygen sensor (HO2S) 2, bank 1 - signal stuck lean

P2270 is described as “Heated oxygen sensor (HO2S) 2, bank 1 - signal stuck lean” in the Generic OBD2 reference. Other reference families are shown below; select the scope relevant to your vehicle.

Manufacturer reference family

BMW: P2270

en

O2 Sensor Signal Stuck Lean

Reference namespace
bmw
Source revision
legacy-oem-dtc-r2-20260924

Reference family assigned by the production catalog. An entry in this family is not proof of a fault or ECU support on every listed vehicle.

Related catalog brands: BMW.

10 profiles assigned this reference family
Manufacturer reference family

Continental Synerject Easy U: P2270

en

O2 Sensor Signal Biased/Stuck Lean Bank 1 Sensor 2

Reference namespace
continental-synerject-easy-u
Source revision
legacy-oem-dtc-r2-20260924

Reference family assigned by the production catalog. An entry in this family is not proof of a fault or ECU support on every listed vehicle.

Manufacturer reference family

Genesis / Hyundai / Kia: P2270

ru

Сигнал датчика кислорода фиксирован в значении, соответствующем бедной смеси – ряд 1, датчик 2

Reference namespace
hyundai-kia
Source revision
legacy-oem-dtc-r2-20260924

Reference family assigned by the production catalog. An entry in this family is not proof of a fault or ECU support on every listed vehicle.

Related catalog brands: Kia, Genesis, Hyundai.

401 profiles assigned this reference family

377 more related profiles are listed in the vehicle directory.

Manufacturer reference family

ISUZU: P2270

en

Oxygen sensor signal stuck lean - Bank 1

Reference namespace
isuzu
Source revision
legacy-oem-dtc-r2-20260924

Reference family assigned by the production catalog. An entry in this family is not proof of a fault or ECU support on every listed vehicle.

Related catalog brands: ISUZU.

1 profiles assigned this reference family
Manufacturer reference family

Datsun / Lada: P2270

ru

Датчик кислорода после нейтрализатора, зависание в бедной смеси

Reference namespace
lada
Source revision
legacy-oem-dtc-r2-20260924

Reference family assigned by the production catalog. An entry in this family is not proof of a fault or ECU support on every listed vehicle.

Related catalog brands: Lada, Datsun.

23 profiles assigned this reference family
Generic OBD2

Generic OBD2: P2270

en

Heated oxygen sensor (HO2S) 2, bank 1 - signal stuck lean

Reference namespace
obd2
Source revision
legacy-2.2.20

Generic OBD2 definition; confirm the protocol and vehicle-specific service information.

Manufacturer reference family

Belgee / Geely / Proton: P2270

en

Rear Oxygen Sensor Signal Stuck Lean

Reference namespace
proton
Source revision
legacy-oem-dtc-r2-20260924

Reference family assigned by the production catalog. An entry in this family is not proof of a fault or ECU support on every listed vehicle.

Related catalog brands: Belgee, Geely, Proton.

5 profiles assigned this reference family
Manufacturer reference family

УАЗ: P2270

ru

Сигнал датчика кислорода 2 находится в состоянии «бедно»

Reference namespace
uaz
Source revision
legacy-oem-dtc-r2-20260924

Reference family assigned by the production catalog. An entry in this family is not proof of a fault or ECU support on every listed vehicle.

Related catalog brands: УАЗ.

4 profiles assigned this reference family

What should I check before using this definition?

Keep the full code, module, status and freeze-frame data. Confirm the vehicle’s make, model, year and current manufacturer service information before choosing a repair. This entry does not identify a failed part by itself.

Organize a scan report or recording
Source and applicability

OBD Lens production library legacy-owner-2026-10-09-v81. This is a scoped technical reference, not a scan of your car. A catalog relationship does not certify that every ECU, year or engine returns the same signal or code definition.

Read the reference method

OBD Lens reference library · catalog legacy-owner-2026-10-09-v81. Sources and scope