P2440 — Secondary Air Injection System Switching Valve Stuck Open (Bank 1)

Q: What does fault code P2440 mean?

P2440 means: Secondary Air Injection System Switching Valve Stuck Open (Bank 1). It is a Powertrain (engine/transmission) fault code defined by the OBD-II standard.

Q: Can I keep driving with P2440?

With P2440 you can usually drive home and book an inspection within a few days unless the car feels abnormal.

Powertrain (engine/transmission)

Secondary Air Injection System Switching Valve Stuck Open (Bank 1)

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Can I drive with P2440?

You can usually drive home and book an inspection within a few days.

Frequently asked questions

What does fault code P2440 mean?

P2440 means Secondary Air Injection System Switching Valve Stuck Open (Bank 1).

Can I keep driving with P2440?

You can usually drive home and book an inspection within a few days.

Related fault codes

P2441 — Secondary Air Injection System Switching Valve Stuck Closed (Bank 1)
P2442 — Secondary Air Injection System Switching Valve Stuck Open (Bank 2)
P2443 — Secondary Air Injection System Switching Valve Stuck Closed (Bank 2)
P2444 — Secondary Air Injection System Pump Stuck On (Bank 1)
P2445 — Secondary Air Injection System Pump Stuck Off (Bank 1)
P2446 — Secondary Air Injection System Pump Stuck On (Bank 2)
P2447 — Secondary Air Injection System Pump Stuck Off (Bank 2)

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