Error code
OBD2 P3438
OBD2P3438
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Cylinder 5 Exhaust Valve Control Performance.
Severity
moderateCan be driven, but may experience reduced performance and increased emissions.
Summary
P3438 indicates an issue with the exhaust valve control circuit performance for cylinder 5 of the engine.
Common Causes
- Faulty exhaust valve control actuator or wiring issues related to cylinder 5
Fixes
FAQ
What does P3438 mean?
P3438 indicates a problem with the exhaust valve control circuit performance for cylinder 5 of your engine.
How can I fix P3438?
The issue may require replacing the faulty exhaust valve control actuator or repairing related wiring issues. Consult a professional mechanic to diagnose and repair the problem.
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