Error code
OBD2 P3428
OBD2P3428
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Cylinder 4 Deactivation/lntake Valve Control Circuit High.
Severity
moderateCan be driven, but performance may suffer and further damage could occur.
Summary
P3428 indicates an issue with the intake valve control circuit in cylinder 4, specifically that it is reading too high.
Common Causes
- Faulty intake valve control solenoid for cylinder 4
- Electrical issues such as a short or open circuit in the wiring harness
Fixes
- Replace the faulty intake valve control solenoid for cylinder 4.
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