When Monitored

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

This diagnostic runs when the following condition is met:

With the engine running.
Engine coolant temperature between 30°C and 100°C (86°F and 212°F).
Air Bleeding procedure has been performed.
The Powertrain Control Module (PCM) is commanding maximum fuel flow to the High Pressure Fuel Pump for a specified time.