When Monitored

WARNING: This page is about a different car, the 2019 RAM 3500 HD and 2019 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

When Monitored:

This diagnostic runs continuously when the following conditions are met:

Condition One:
- Ignition on.
- Output stages power supply is activated.
- Output stage is commanded to 0% Pulse Width Modulated (PWM).
Condition Two:
- Engine speed sensor signal is valid.
- Engine speed above 430 RPM.
- Power supply voltage is within a calibrated range.