Normal Operation
WARNING: This page is about a different car, the 2012 Ford Pickup, 2012 Ford F550 Super Duty, 2012 Ford F450 Super Duty, and 2012 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
- DTC B1317 (Battery Voltage High) - sets in the Trailer Brake Control (TBC) module when the TBC module detects that battery voltage has risen above 16 volts on the voltage supply circuit while not braking.
This pinpoint test is intended to diagnose the following:
- Charging system concern
- TBC module