Powertrain: engine, transmission and driveline systems.
2
Generic SAE-standard code: same meaning on every make.
2B4
Specific fault index within the subsystem.
Frequently asked questions about P22B4
What does P22B4 mean?
O2 Sensor Negative Current Control Circuit High Bank 1 Sensor 2. The control module detected that the signal in the O2 Sensor Negative Current Control circuit stayed above the expected operating range.
Is P22B4 generic or manufacturer-specific?
P22B4 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P22B4 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
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