Set Condition

WARNING: This page is about a different car, the 2025 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.

The Powertrain Control Module (PCM) detects a difference between the Exhaust Gas Recirculation (EGR) Temperature Sensor and either the Engine Coolant Temperature (ECT) Sensor reading or Ambient Air Temperature (AAT) Sensor reading is greater than 15°C (59°F).