Powertrain: engine, transmission and driveline systems.
2
Generic SAE-standard code: same meaning on every make.
37B
Specific fault index within the subsystem.
Frequently asked questions about P237B
What does P237B mean?
O2 Sensor Exhaust Sample Error Bank 2 Sensor 2. The control module registered the fault condition described as "O2 Sensor Exhaust Sample Error Bank 2 Sensor 2".
Is P237B generic or manufacturer-specific?
P237B is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P237B 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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