Source-backed diagnostic reference

P1449 EV diagnostic code

Diagnostic Module Tank Leakage DM-TL Pump Too 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: Diagnostic Module Tank Leakage DM-TL Pump Too High Source
  • KIA: Canister Drain Cut Valve Open Or Short 1.8L Source
  • MAZDA: Evaporative Check Solenoid Circuit Source
  • OTHER: Evaporative Check Solenoid Circuit Malfunction Source
  • VOLKSWAGEN: Catalyst Temperature Sensor 2 Circuit Open Short To B+ Source

Search and canonical URL

Capitalization, underscores, hyphens, colons and spaces are normalized to this canonical code identity so alternate scan-tool formats do not create duplicate pages.