Error code
OBD2 P3401
OBD2P3401
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Cylinder 1 Deactivation/lntake Valve Control Circuit/Open.
Severity
moderateCan drive, but performance issues may occur and should be addressed soon.
Summary
P3401 indicates an issue with the intake valve control circuit or open condition in Cylinder 1. This trouble code is related to the engine's cylinder deactivation system.
Common Causes
- Intake valve control circuit malfunction
- Faulty wiring or connectors
Fixes
FAQ
What does P3401 mean?
P3401 indicates a problem with the intake valve control circuit or open condition in Cylinder 1 of your engine.
How do I fix P3401?
The specific cause needs to be diagnosed, but common fixes include repairing or replacing faulty wiring and connectors related to the cylinder deactivation system.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
- P3400Cylinder Deactivation System
- P3402Cylinder 1 Deactivation/lntake Valve Control Performance
- P3403Cylinder 1 Deactivation/lntake Valve Control Circuit Low
- P3404Cylinder 1 Deactivation/lntake Valve Control Circuit High
- P3405Cylinder 1 Exhaust Valve Control Circuit/Open
- P3406Cylinder 1 Exhaust Valve Control Performance
- P3407Cylinder 1 Exhaust Valve Control Circuit Low
- P3408Cylinder 1 Exhaust Valve Control Circuit High
- P3409Cylinder 2 Deactivation/lntake Valve Control Circuit/Open
- P3410Cylinder 2 Deactivation/lntake Valve Control Performance
- P3411Cylinder 2 Deactivation/lntake Valve Control Circuit Low
- P3412Cylinder 2 Deactivation/lntake Valve Control Circuit High