Error code
OBD2 P3440
OBD2P3440
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Cylinder 5 Exhaust Valve Control Circuit High.
Severity
highDriving may be possible but could cause further damage to the engine.
Summary
P3440 indicates an issue with the exhaust valve control circuit being too high in cylinder 5. This code is related to the engine's exhaust system.
Common Causes
- Faulty exhaust valve control solenoid or wiring for cylinder 5
- Short circuit in the exhaust valve control circuit
Fixes
- Replace faulty exhaust valve control solenoid or repair wiring issues
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