When Monitored

WARNING: This page is about a different car, the 2016 Dodge Journey and 2015 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.

This diagnostic runs when the following conditions are met:

The Powertrain Control Module uses feedback from the IBS to monitor the Battery temperature under two different conditions:
The battery temperature is compared to the Engine Coolant Temperature (ECT) Sensor signal at key on after a cold soak. If the battery temperature is below the ECT temperature by a calibrated threshold, then the battery temperature is compared to the Ambient Air Temperature (AAT) Sensor in the same manner.