Fault codes › P0417
P0417
Secondary Air Injection System Switching Valve B Circuit Shorted
Generic code
Auxiliary Emissions Control
Medium severity
Moderate repair
Free on OBD DashX
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iWhat P0417 means
- The fault code P0417 indicates that there is a short circuit in the secondary air injection system switching valve 'B'. This may cause issues with the engine performance and emissions.
!Possible symptoms
- Illuminated check engine light
- Failed emissions test
- Rough engine idle
- Reduced engine power or acceleration
?Possible causes
- Short circuit in the switching valve 'B'
- Corroded or damaged wiring or connections in the circuit
- Failed secondary air injection pump
- 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 or corroded wiring or connections
- Replace the secondary air injection pump if necessary
- Replace the engine control module (ECM) if needed