EV Diagnostics
Source-backed diagnostic reference

P1456 EV diagnostic code

Evaporative Emission Control System Leak Detected Fuel Tank System

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

  • ACURA: Evaporative Emission Control System Leak Detected Fuel Tank System Source
  • BMW: Heated Catalyst Heater Power Supply Open Circuit Bank 1 Source
  • HONDA: Evaporative Emission Control System Leak Detected Fuel Tank System Source
  • INFINITI: Evaporative Emission Control System Leak Detected Fuel Tank System Source
  • MAZDA: Fuel Tank Temperature Sensor Circuit Source
  • OTHER: Fuel Tank Temperature Sensor Circuit Malfunction Source
  • VOLKSWAGEN: Exhaust Gas Temperature Control Bank 1 Limit Attained Source
  • GENERIC: Fuel Tank Temperature Sensor Circuit Malfunction Source

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