The control module detected a fault associated with the Cylinder 12 - above knock threshold circuit or function; the stored code identifies the affected component rather than a single failure mode.
Powertrain: engine, transmission and driveline systems.
2
Generic SAE-standard code: same meaning on every make.
347
Specific fault index within the subsystem.
Frequently asked questions about P2347
What does P2347 mean?
Cylinder 12 - above knock threshold. The control module detected a fault associated with the Cylinder 12 - above knock threshold circuit or function; the stored code identifies the affected component rather than a single failure mode.
Is P2347 generic or manufacturer-specific?
P2347 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P2347 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.