Normal Operation
WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, and 2011 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
The Driver Seat Module (DSM) monitors the voltage from the battery to determine if it goes above or below specific thresholds.
- DTC B1318 (Battery Voltage Low) - a continuous memory or on-demand DTC that sets when the DSM detects battery voltage below 10 volts on circuit SBB32.
This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- High circuit resistance
- DSM