The control module judged the Cylinder 12 Deactivation/Intake Valve Control behaviour implausible for the current operating conditions.
TuningBot DTC Database · v4.37.15
P3490 Cylinder 12 Deactivation/Intake Valve Control Circuit Performance
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P3490 means
Related and nearby codes
How to read P3490
Powertrain: engine, transmission and driveline systems.
Generic SAE-standard code: same meaning on every make.
Specific fault index within the subsystem.
Frequently asked questions about P3490
What does P3490 mean?
Cylinder 12 Deactivation/Intake Valve Control Circuit Performance. The control module judged the Cylinder 12 Deactivation/Intake Valve Control behaviour implausible for the current operating conditions.
Is P3490 generic or manufacturer-specific?
P3490 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P3490 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.
Other file services
Understand the system behind this code: Diagnostic Strategy and DTC Logic
