Error code

OBD2 P3405

OBD2P3405
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Cylinder 1 Exhaust Valve Control Circuit/Open.

Severity

highDriving with this code may cause further engine damage and should be addressed immediately.

Summary

P3405 indicates an issue with the exhaust valve control circuit or open condition in Cylinder 1 of the engine.

Common Causes

  • Faulty cylinder 1 exhaust valve control solenoid
  • Electrical connector issues on the cylinder 1 exhaust valve control circuit

Fixes

  • Replace the faulty cylinder 1 exhaust valve control solenoid or repair electrical connections.

FAQ

What does P3405 mean?

P3405 indicates an issue with the exhaust valve control circuit in Cylinder 1 of your engine.

How serious is this code?

This code is considered high severity as it can cause further damage to your engine if not addressed promptly.

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.