Error code
OBD2 P3449
OBD2P3449
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/Open.
Severity
moderateCan drive, but performance issues may occur and worsen over time.
Summary
P3449 indicates an issue with the intake valve control circuit or open circuit in cylinder 7. This problem is related to the engine's manifold.
Common Causes
- Intake valve control circuit failure
- Open circuit in the intake valve control system
Fixes
FAQ
How can I diagnose P3449?
Consult a professional mechanic or use diagnostic tools like Torque Pro to identify the exact issue with cylinder 7's intake valve control circuit.
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