What does code P1444 mean on BMW vehicles?
The ECU detects an open circuit in the control circuit of the DM-TL pump.
OBD-II Code BMW
P1444 — BMW — Diagnostic Module Tank Leakage (DM-TL) Pump Control Open Circuit
The ECU detects an open circuit in the control circuit of the DM-TL pump.
Common symptoms
- Check engine light
Possible causes
- Damaged wiring
- faulty DM-TL module
Initial recommendation
Inspect DM-TL pump, module connections, and wiring.
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.
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