Normal Operation
WARNING: This page is about a different car, the 2013 Ford Fiesta. However, it is still accessible from the selected car via links, so may be relevant.
- DTC P1397:00 (System Voltage Out Of Self Test Range: No Sub Type Information) - an on-demand DTC that sets when the Body Control Module (BCM) detects voltage below 10 volts or above 15.5 volts from either voltage supply circuit to BCM C2280A-8 or BCM C2280A-14.
This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- High circuit resistance
- Charging system concern
- BCM