The control module judged the Cylinder 8 Deactivation/Intake Valve Control behaviour implausible for the current operating conditions.
TuningBot DTC Database · v4.37.15
P3458 Cylinder 8 Deactivation/Intake Valve Control Circuit Performance
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P3458 means
Related and nearby codes
How to read P3458
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 P3458
What does P3458 mean?
Cylinder 8 Deactivation/Intake Valve Control Circuit Performance. The control module judged the Cylinder 8 Deactivation/Intake Valve Control behaviour implausible for the current operating conditions.
Is P3458 generic or manufacturer-specific?
P3458 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P3458 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
