Set Condition
WARNING: This page is about a different car, the 2015 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
The PCM will set the fault if the O2 Sensor doesn't reach a 30% rise in concentration within 3.0 seconds or 30-60% concentration within (an additional) 1.8 seconds. This is a two Trip Fault.