P0415
Secondary Air Injection System Switching Valve B Circuit Malfunction
Generic code
Auxiliary Emissions Control
Medium severity
Moderate repair
Free on OBD DashX
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What P0415 means
- The fault code P0415 indicates that there is a malfunction in the secondary air injection system switching valve B circuit. This may cause reduced engine performance and increased emissions.
Possible symptoms
- Illuminated check engine light
- Reduced engine performance
- Increased emissions
Possible causes
- Failed secondary air injection system switching valve B
- Faulty wiring or connections in the circuit
- Loose or corroded electrical connections
- Failed engine control module (ECM)
Related parts
- Exhaust Pipe Air Injection: Air is injected into the exhaust gases for better combustion of unburnt fuel and pollutants. This allows better exhaust emission. Problems lead to harmful emissions out of limit
Possible solutions
- Replace the secondary air injection system switching valve B
- Check and repair any damaged wiring or connections
- Tighten or clean any loose or corroded electrical connections
- Replace the engine control module (ECM) if necessary
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P0415 on OBD DashX
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