Pinpoint Test G : DTC (Diagnostic Trouble Code) U3003:16, P1397:00: Notes

Refer to Grounds for schematic and connector information.

Refer to Power Distribution for schematic and connector information.

Normal Operation and Fault Conditions

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Conditions
U3003:16	Battery Voltage: Circuit Voltage Below Threshold	A continuous memory DTC that sets in the BCM if the BCM detects battery voltage below 8.3 volts (for more than 10 seconds)on the voltage supply inputs.
P1397:00	System Voltage Out Of Self Test Range: No Sub Type Information	An on-demand DTC that sets in the BCM when the BCM detects battery voltage below treshold on the voltage supply input. Follow the diagnostics for BCM DTC U3003:16.

Possible Sources