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) does not receive a Pulse Width Modulated (PWM) signal from the Fuel Pump Control Module (FPCM).
NOTE:
Due to calibration issues the Possible Causes list may not align with the Set Conditions. This is not an error. All of the possible causes should still be addressed in the diagnostic procedure.