Powertrain: engine, transmission and driveline systems.
2
Generic SAE-standard code: same meaning on every make.
0AE
Specific fault index within the subsystem.
Frequently asked questions about P20AE
What does P20AE mean?
Reductant metering unit temperature sensor - circuit low. The control module detected that the signal in the Reductant metering unit temperature circuit stayed below the expected operating range.
Is P20AE generic or manufacturer-specific?
P20AE is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P20AE 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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