What does code P1327 mean on BMW vehicles?
The ECU detects a low voltage signal from Knock Sensor 2 on Bank 1.
OBD-II Code BMW
P1327 — BMW — Knock Sensor 2 (Bank 1) Low Input
The ECU detects a low voltage signal from Knock Sensor 2 on Bank 1.
Common symptoms
- Loss of power
- reduced engine performance
Possible causes
- Faulty knock sensor
- wiring issues
- poor sensor grounding
Initial recommendation
Inspect knock sensor and wiring, verify proper mounting torque.
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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