Possible Causes
WARNING: This page is about a different car, the 2004 Chrysler Pacifica. However, it is still accessible from the selected car via links, so may be relevant.
- Battery temp voltage above 4.8 volts.
- Battery Temp Signal circuit shorted to battery voltage.
- Battery Temp Sensor internal failure.
- Battery Temp Signal circuit open.
- Sensor ground circuit open.
- PCM.