What does code P1447 mean on BMW vehicles?
The ECU detects that the DM-TL pump speed or current is excessively high during switching operation.
OBD-II Code BMW
P1447 — BMW — Diagnostic Module Tank Leakage (DM-TL) Pump Too High During Switching
The ECU detects that the DM-TL pump speed or current is excessively high during switching operation.
Common symptoms
- Check engine light illuminated
Possible causes
- Faulty DM-TL pump
- internal pump failure
Initial recommendation
Replace the DM-TL pump and verify proper operation after installation.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine BMW code P1447 with your vehicle's actual symptoms for more complete diagnostic guidance.
Go to the app View more brands