Source-backed diagnostic reference

P1448 EV diagnostic code

Diagnostic Module Tank Leakage DM-TL Pump Too Low During Switching

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 Low During Switching Source
JAGUAR: ELC System 2 Source
NISSAN: EVAP Canister Vent Control Valve Open Source
OTHER: ELC System 2 Fault Source
VOLKSWAGEN: Catalyst Temperature Sensor 2 Circuit Short To Ground Source

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