Error code

OBD2 P3404

OBD2P3404
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Cylinder 1 Deactivation/lntake Valve Control Circuit High.

Severity

moderateCan drive, but performance may be affected and fuel efficiency could decrease.

Summary

P3404 indicates an issue with the intake valve control circuit in Cylinder 1, which is part of the engine's deactivation system.

Common Causes

  • Faulty intake valve control solenoid for Cylinder 1
  • Electrical issues in the cylinder deactivation circuit

Fixes

FAQ

How can I diagnose P3404?

Consult a professional mechanic or use diagnostic tools like Torque Pro to identify the exact issue with Cylinder 1'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.