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

Want real-world data on P0417?

See which problems come with P0417, 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
See P0417 on OBD DashX No sign-up needed · available in 10 languages

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
Free on OBD DashX

P0417 on OBD DashX

Real-world causes, how often this code shows up, and the fix — step by step.

Open P0417 No sign-up needed · available in 10 languages

Search fault codes

Scan your own car

Read and clear fault codes, live data and service resets with the CaRPM app.