DTC P0A94: Dc/Dc Converter Performance: Diagnosis

WARNING: This page is about a different car, the 2015 Subaru XV Crosstrek. However, it is still accessible from the selected car via links, so may be relevant.

Detects abnormal conditions in DC/DC converter.
If the DC/DC converter detects serial communication errors with the drive motor control module, or internal errors are detected in the DC/DC converter, it is judged as NG.
Immediately at fault recognition