Pinpoint Test A : No Power In All Ignition Switch Positions (Vehicles With A Conventional Ignition Switch): Notes
WARNING: This page is about a different car, the 2016 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
Refer to Power Distribution/BCM , for schematic and connector information.
Normal Operation and Fault Conditions
Refer to Steering Column Switches .
BCM DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U300A:01 | Ignition Switch: General Electric Failure | Sets if the voltage inputs to the BCM do not match the pre-defined configurations for each ignition switch position. |
Possible Causes
- Battery concern
- Fuse
- Wiring, terminals or connectors
- Ignition switch
- BCM
Visual Inspection and Diagnostic Pre-checks
- Make sure the battery and battery cables are OK
- Make sure BCM fuse 28 (15A) is OK