OBD-II code · generic
P2443
Secondary Air Injection System Switching Valve Stuck Closed
- System
- P2 — Powertrain / emissions (generic)
- Severity
- Minor (2/5)
- Can I keep driving?
- Usually safe to drive
What does P2443 mean?
P2443 is defined as “Secondary Air Injection System Switching Valve Stuck Closed”.
You can usually keep driving, but have it checked soon so a small fault doesn’t become a bigger one.
Related codes
- P2442Secondary Air Injection System Switching Valve Stuck Open
- P2444Secondary Air Injection System Pump Stuck On
- P2441Secondary Air Injection System Switching Valve Stuck Closed
- P2445Secondary Air Injection System Pump Stuck Off
- P2440Secondary Air Injection System Switching Valve Stuck Open
- 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.