Powertrain: engine, transmission and driveline systems.
2
Generic SAE-standard code: same meaning on every make.
0A5
Specific fault index within the subsystem.
Frequently asked questions about P20A5
What does P20A5 mean?
Reductant purge control valve - valve stuck closed. The control module determined that the Reductant purge control valve - valve did not change state as commanded and appears stuck.
Is P20A5 generic or manufacturer-specific?
P20A5 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P20A5 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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