Set Condition

WARNING: This page is about a different car, the 2015 Fiat 500. However, it is still accessible from the selected car via links, so may be relevant.

The Powertrain Control Module (PCM) detects that the Knock Sensor input voltage is: Above 4.0 volts or less than or equal to 1.0 volt with engine speed at or above 2200 RPM or equal to 0.0 volts with engine speed below 2200 RPM.