What does code P1384 mean on BMW vehicles?
The ECU detects an electrical fault in the circuit of Knock Sensor 3.
OBD-II Code BMW
P1384 — BMW — Knock Sensor 3 Circuit
The ECU detects an electrical fault in the circuit of Knock Sensor 3.
Common symptoms
- Loss of power
- reduced engine performance
Possible causes
- Faulty knock sensor
- damaged wiring or connector
Initial recommendation
Inspect knock sensor 3 and related wiring, replace sensor if required.
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
Use the app to combine BMW code P1384 with your vehicle's actual symptoms for more complete diagnostic guidance.
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