Set Condition
WARNING: This page is about a different car, the 2015 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
During CNG operation, the Powertrain Control Module (PCM) detects that the change in operating pressure in the CNG Fuel Rail is less than 5.0 kPa (0.72 psi) for 30 seconds or more. This is an indication of a sensor that is stuck.