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OBD-II Code

P0414 — Secondary Air Injection Switching Valve A Circuit Shorted

Short circuit detected in switching valve A

System Engine
Severity Medium
Safe to drive? Yes, with caution
Advanced scanner Yes

What does code P0414 mean?

Short circuit detected in switching valve A

Common symptoms

  • Immediate check engine light

Possible causes

  • Shorted wiring
  • damaged solenoid

Initial recommendation

Inspect wiring harness and replace solenoid.

Safety notice

This information is for guidance only and does not replace a physical vehicle inspection or diagnosis by a qualified mechanic. If the vehicle has severe power loss, smoke, a fuel odor, overheating, brake or steering problems, or any unsafe behavior, avoid driving it and seek professional inspection.

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