Set Condition
WARNING: This page is about a different car, the 2017 Jeep Cherokee. 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 either:
- Above 4.8 volts at idle.
- Less than approximately 0.2 volts when the engine speed is above the calibrated threshold.