P0412Powertrain (P)generic
Secondary Air Injection System Switching Valve A Circuit Malfunction
The electrical circuit controlling the first secondary air injection switching valve has detected a problem such as a short, break, or resistance issue. This valve directs fresh air into the exhaust system, and a circuit fault prevents it from opening and closing correctly. The vehicle may produce excess emissions until repaired.
No detailed repair guide linked yet. Check back soon or search for related issues.
