Error code
OBD2 P3439
OBD2P3439
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Cylinder 5 Exhaust Valve Control Circuit Low.
Severity
moderateCan drive, but performance issues and potential engine damage may occur if not addressed.
Summary
P3439 indicates an issue with the exhaust valve control circuit in cylinder 5, which is part of the engine's manifold.
Common Causes
- Faulty exhaust valve control solenoid or wiring for cylinder 5
- Short circuits or open circuits in the exhaust valve control circuit
Fixes
- Replace faulty exhaust valve control solenoid or repair wiring in cylinder 5.
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