What does code P1473 mean on BMW vehicles?
The ECU detects implausible current values from the DM-TL pump during operation.
OBD-II Code BMW
P1473 — BMW — Diagnostic Module Tank Leakage (DM-TL) Pump Current Plausibility
The ECU detects implausible current values from the DM-TL pump during operation.
Common symptoms
- Check engine light illuminated
Possible causes
- Faulty DM-TL pump
- internal electrical failure
Initial recommendation
Test DM-TL pump current draw and replace pump if out of specification.
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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