The control module detected an interruption (open circuit) in the Cylinder 12 Deactivation/Intake Valve Control circuit, so the expected electrical continuity was not present.
TuningBot DTC Database · v4.37.15
P3489 Cylinder 12 Deactivation/Intake Valve Control Circuit/Open
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P3489 means
Related and nearby codes
How to read P3489
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 P3489
What does P3489 mean?
Cylinder 12 Deactivation/Intake Valve Control Circuit/Open. The control module detected an interruption (open circuit) in the Cylinder 12 Deactivation/Intake Valve Control circuit, so the expected electrical continuity was not present.
Is P3489 generic or manufacturer-specific?
P3489 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P3489 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
