What does code P1520 mean on BMW vehicles?
The ECU detects a failure in the camshaft position actuator B on Bank 1.
OBD-II Code BMW
P1520 — BMW — B Camshaft Position Actuator Bank 1
The ECU detects a failure in the camshaft position actuator B on Bank 1.
Common symptoms
- Check engine light illuminated
- reduced performance
Possible causes
- Faulty VANOS actuator
- actuator control issues
Initial recommendation
Run VANOS diagnostics and verify actuator response.
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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