The control module detected an interruption (open circuit) in the Cylinder 1 Exhaust Valve Control circuit, so the expected electrical continuity was not present.
TuningBot DTC Database · v4.37.15
P3405 Cylinder 1 Exhaust Valve Control Circuit/Open
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P3405 means
Related and nearby codes
How to read P3405
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 P3405
What does P3405 mean?
Cylinder 1 Exhaust Valve Control Circuit/Open. The control module detected an interruption (open circuit) in the Cylinder 1 Exhaust Valve Control circuit, so the expected electrical continuity was not present.
Is P3405 generic or manufacturer-specific?
P3405 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P3405 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
