P0413
Secondary Air Injection System Switching Valve A Circuit Open
Generic code
Auxiliary Emissions Control
Medium severity
Moderate repair
Free on OBD DashX
Want real-world data on P0413?
See which problems come with P0413, how often it shows up in other vehicles, and how to fix it — step by step.
- Real-world fix data
- How often it happens
- Step-by-step repairs
What P0413 means
- The fault code P0413 indicates that there is an open circuit in the secondary air injection system switching valve 'A' circuit. This may cause the engine to have difficulty starting or run poorly.
Possible symptoms
- Difficulty starting the engine
- Illuminated check engine light
- Rough idle or stalling
- Reduced engine power or acceleration
Possible causes
- Failed secondary air injection system switching valve 'A'
- 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 'A'
- 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
Free on OBD DashX
P0413 on OBD DashX
Real-world causes, how often this code shows up, and the fix — step by step.
Open P0413 No sign-up needed · available in 10 languagesScan your own car
Read and clear fault codes, live data and service resets with the CaRPM app.