EV Diagnostics
Source-backed diagnostic reference

P1440 EV diagnostic code

Purge Control Valve Control Circuit Signal High

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

  • BMW: Purge Control Valve Control Circuit Signal High Source
  • JAGUAR: Purge Valve Stuck Open Source
  • NISSAN: EVAP Control System Small Leak Source
  • OTHER: Purge Valve Stuck Open Source
  • SUBARU: Fuel Tank Pressure Control System Low Input Source
  • VOLKSWAGEN: EGR Valve Power Stage Open Source
  • GENERIC: Purge Valve Stuck Open Source

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