Powertrain: engine, transmission and driveline systems.
2
Generic SAE-standard code: same meaning on every make.
37A
Specific fault index within the subsystem.
Frequently asked questions about P237A
What does P237A mean?
O2 Sensor Exhaust Sample Error Bank 1 Sensor 2. The control module registered the fault condition described as "O2 Sensor Exhaust Sample Error Bank 1 Sensor 2".
Is P237A generic or manufacturer-specific?
P237A is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P237A 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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