Powertrain: engine, transmission and driveline systems.
0
Generic SAE-standard code: same meaning on every make.
405
Specific fault index within the subsystem.
Frequently asked questions about P0405
What does P0405 mean?
Exhaust Gas Recirculation Sensor A Circuit Low. The control module detected that the signal in the Exhaust Gas Recirculation Sensor A circuit stayed below the expected operating range.
Is P0405 generic or manufacturer-specific?
P0405 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P0405 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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