Possible Causes
WARNING: This page is about a different car, the 2003 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.
- Battery temp volts below .5 volt.
- Battery temperature sensor.
- (K118) Batt temp signal circuit shorted to ground.
- (K118) Batt temp signal circuit shorted to the (K4) sensor ground circuit.
- PCM.