P0327
Knock Sensor 1 Circuit Low Input (Bank 1)
System: Ignition
Severity: medium
What does P0327 mean?
The DTC P0327 (Knock Sensor 1 Circuit Low Input (Bank 1)) is a fault code stored by the ECU when it detects a knock sensor low condition in the ignition subsystem. It is commonly seen on European and Asian vehicles using Bosch, Continental, Siemens or Denso ECUs.
Common causes of P0327
- Failing knock sensor
- Cable shield damage
- Bad ECU connection
How to fix P0327
Replace sensor + verify ECU pin continuity. Never tune without working knock sensor.
Tuning approach with DaVinci Deluxe
For P0327, DaVinci Deluxe offers the following ECU map adjustments and software solutions:
- Knock threshold recalibrate
- Conservative ignition map until repaired
Need to fix P0327 on your ECU?
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