What does code P1509 mean on BMW vehicles?
The ECU detects an electrical malfunction in the opening solenoid control circuit of the idle speed control valve.
OBD-II Code BMW
P1509 — BMW — Idle Speed Control Valve Opening Solenoid Control Circuit Electrical
The ECU detects an electrical malfunction in the opening solenoid control circuit of the idle speed control valve.
Common symptoms
- Erratic idle speed
Possible causes
- Faulty opening solenoid
- wiring issues
Initial recommendation
Diagnose idle air control valve and repair or replace faulty solenoid.
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
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