Error code

OBD2 P0417

OBD2P0417
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Secondary Air Injection System Switching Valve 'B' Circuit Shorted.

Severity

moderateCan drive but may experience reduced performance and increased emissions.

Summary

P0417 indicates a short circuit in the Secondary Air Injection System Switching Valve 'B' circuit, which is part of the air injection system that helps reduce emissions.

Common Causes

  • Wiring short circuit
  • Faulty AIR solenoid B

Fixes

  • Replace the faulty Secondary Air Injection System Switching Valve 'B'.

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.