Error code
OBD2 P3451
OBD2P3451
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Cylinder 7 Deactivation/lntake Valve Control Circuit Low.
Severity
moderateCan be driven, but performance issues may occur.
Summary
P3451 indicates an issue with the intake valve control circuit in cylinder 7, specifically that it is reading low voltage or signal.
Common Causes
- Faulty intake valve control solenoid for cylinder 7
- Loose or corroded electrical connectors
Fixes
- Replace the faulty intake valve control solenoid for cylinder 7.
FAQ
What does P3451 mean?
P3451 indicates a low signal or voltage issue with the intake valve control circuit in cylinder 7.
How do I fix P3451?
The most common solution is to replace the faulty intake valve control solenoid for cylinder 7.
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
- P3401Cylinder 1 Deactivation/lntake Valve Control Circuit/Open
- 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