Set Condition

WARNING: This page is about a different car, the 2024 Jeep Grand Cherokee L. However, it is still accessible from the selected car via links, so may be relevant.

The Powertrain Control Module (PCM) monitors and compares the difference between the actual Map Sensor reading and the calculated Map Sensor model over time. The PCM detects a gradual long term increase in the difference between these two values, beyond a calibrated adaptive limit, indicating that there is an air leak in the intake system.