EV Diagnostics
Source-backed diagnostic reference

P1451 EV diagnostic code

Diagnostic Module Tank Leakage DM-TL Switching Solenoid Control Circuit Signal Low

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: Diagnostic Module Tank Leakage DM-TL Switching Solenoid Control Circuit Signal Low Source
  • BUICK: Barometric Pressure Sensor Performance Source
  • CADILLAC: Barometric Pressure Sensor Performance Source
  • CHEVY: Barometric Pressure Sensor Performance Source
  • CHRYSLER: Barometric Pressure Sensor Performance Source
  • FORD: EVAP Control System Canister Vent Solenoid Circuit Malfunction Source
  • GEO: Barometric Pressure Sensor Performance Source
  • GM: Barometric Pressure Sensor Performance Source
  • GMC: Barometric Pressure Sensor Performance Source
  • LINCOLN: EVAP Control System Canister Vent Solenoid Circuit Malfunction Source
  • MAZDA: Canister Vent Solenoid Circuit Source
  • MERCURY: EVAP Control System Canister Vent Solenoid Circuit Malfunction Source
  • OLDSMOBILE: Barometric Pressure Sensor Performance Source
  • OTHER: Evap Emission Control Sys Vent Control Valve Circuit Source
  • PLYMOUTH: Barometric Pressure Sensor Performance Source
  • PONTIAC: Barometric Pressure Sensor Performance Source
  • SATURN: Barometric Pressure Sensor Performance Source
  • SUZUKI: Barometric Pressure Sensor Performance Source
  • VOLKSWAGEN: Secondary Air Injection Circuit Short To Ground Source

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