What does code P1581 mean on BMW vehicles?
The ECU detects an open circuit in the control circuit of camshaft position actuator B on Bank 2.
OBD-II Code BMW
P1581 — BMW — B Camshaft Position Actuator Control Open Circuit Bank 2
The ECU detects an open circuit in the control circuit of camshaft position actuator B on Bank 2.
Common symptoms
- Loss of power
- reduced engine performance
Possible causes
- Electrical fault
- damaged wiring
Initial recommendation
Inspect VANOS wiring harness and restore electrical continuity.
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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