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TuningBot DTC Database · v4.37.15

P3456 Cylinder 7 Exhaust Valve Control Circuit High

Generic (OBD-II) interpretation in the TuningBot DTC database.

P · PowertrainEngineOBD2

What P3456 means

P3456
Cylinder 7 Exhaust Valve Control Circuit High Generic · engine Data confidence 85%

The control module detected that the signal in the Cylinder 7 Exhaust Valve Control circuit stayed above the expected operating range.

Related and nearby codes

How to read P3456

P

Powertrain: engine, transmission and driveline systems.

3

Generic SAE-standard code: same meaning on every make.

456

Specific fault index within the subsystem.

Frequently asked questions about P3456

What does P3456 mean?

Cylinder 7 Exhaust Valve Control Circuit High. The control module detected that the signal in the Cylinder 7 Exhaust Valve Control circuit stayed above the expected operating range.

Is P3456 generic or manufacturer-specific?

P3456 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P3456 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

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