Powertrain: engine, transmission and driveline systems.
2
Generic SAE-standard code: same meaning on every make.
3A1
Specific fault index within the subsystem.
Frequently asked questions about P23A1
What does P23A1 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 P23A1 generic or manufacturer-specific?
P23A1 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P23A1 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.
ItalianoIT
DeutschDE
EspañolES
PortuguêsPT
FrançaisFR
РусскийRU