The control module detected that the signal in the Cylinder 6 Deactivation/Intake Valve Control circuit stayed below the expected operating range.
TuningBot DTC Database · v4.37.15
P3443 Cylinder 6 Deactivation/Intake Valve Control Circuit Low
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P3443 means
Related and nearby codes
How to read P3443
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 P3443
What does P3443 mean?
Cylinder 6 Deactivation/Intake Valve Control Circuit Low. The control module detected that the signal in the Cylinder 6 Deactivation/Intake Valve Control circuit stayed below the expected operating range.
Is P3443 generic or manufacturer-specific?
P3443 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P3443 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
