Powertrain: engine, transmission and driveline systems.
0
Generic SAE-standard code: same meaning on every make.
490
Specific fault index within the subsystem.
Frequently asked questions about P0490
What does P0490 mean?
Exhaust gas recirculation (EGA) system - circuit high. The control module detected that the signal in the Exhaust gas recirculation (EGA) system circuit stayed above the expected operating range.
Is P0490 generic or manufacturer-specific?
P0490 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P0490 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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