What does code P1594 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
P1594 — 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
- Check engine light illuminated
Possible causes
- Damaged wiring
- faulty actuator
Initial recommendation
Perform VANOS diagnostics and repair actuator B control circuit.
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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