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.
This diagnostic runs when the following conditions are met:
- With the engine running.
- The engine speed is high enough (normally above 1157 RPM) to insure sufficient Alternator current output to satisfy the electrical loads.