EV Diagnostics
Source-backed diagnostic reference

P2431 EV diagnostic code

Air control solenoid failure, Powertrain Control Module (PCM) failure, Secondary Air System pressure sensor failure, Wiring issue

Reference status: This page preserves source-backed code definitions for discovery. Manufacturer/model applicability, repair steps and safety conclusions are not treated as verified unless a manufacturer-specific verified report is available.

Reference definitions

  • AUDI: Air control solenoid failure, Powertrain Control Module (PCM) failure, Secondary Air System pressure sensor failure, Wiring issue Source
  • GENERIC: AIR System Air Flow/Pressure Sensor Circuit Range/Performance Bank 1 Source
  • GENERIC: Secondary Air Injection System Air Flow/Pressure Sensor Circuit Source

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