Fault codes › P0414
P0414
Secondary Air Injection System Switching Valve A Circuit Shorted
Generic code
Auxiliary Emissions Control
Medium severity
Moderate repair
Free on OBD DashX
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iWhat P0414 means
- The fault code P0414 indicates that there is a short circuit in the secondary air injection system switching valve A circuit. This may cause the engine to run poorly or not start at all.
!Possible symptoms
- Illuminated check engine light
- Rough idle or stalling
- Reduced engine power or acceleration
- Increased emissions
?Possible causes
- Faulty secondary air injection system switching valve A
- Broken or damaged wiring in the secondary air injection system switching valve A circuit
- Corrosion or loose connections in the secondary air injection system switching valve A circuit
- 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 broken or damaged wiring in the secondary air injection system switching valve A circuit
- Clean or tighten any corroded or loose connections in the secondary air injection system switching valve A circuit
- Replace the engine control module (ECM) if necessary