Powertrain: engine, transmission and driveline systems.
2
Generic SAE-standard code: same meaning on every make.
274
Specific fault index within the subsystem.
Frequently asked questions about P2274
What does P2274 mean?
O2 Sensor Signal Biased/Stuck Lean Bank 1 Sensor 3. The control module registered the fault condition described as "O2 Sensor Signal Biased/Stuck Lean Bank 1 Sensor 3".
Is P2274 generic or manufacturer-specific?
P2274 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P2274 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
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