garajizOBD-II code · generic
P2440
Secondary Air Injection System Switching Valve Stuck Open
- System
- P2 — Powertrain / emissions (generic)
- Severity
- Minor (2/5)
- Can I keep driving?
- Usually safe to drive
What does P2440 mean?
P2440 is defined as “Secondary Air Injection System Switching Valve Stuck Open”.
You can usually keep driving, but have it checked soon so a small fault doesn’t become a bigger one.
Related codes
- P2441Secondary Air Injection System Switching Valve Stuck Closed
- P2442Secondary Air Injection System Switching Valve Stuck Open
- P2443Secondary Air Injection System Switching Valve Stuck Closed
- P2444Secondary Air Injection System Pump Stuck On
- P2445Secondary Air Injection System Pump Stuck Off
- P2446Secondary Air Injection System Pump Stuck On
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This page is general information; an exact diagnosis needs measurements and a technician’s check.