DTC B1401 Subaru
EPS ECU Precharge Circuit Fault
EPS ECU Precharge Circuit Fault
Description
EPS CM sets this code and turns on warning lamp if charged voltage is too low due to a abnormal charging circuit. At that time EPS CM inhibits it’s own function.
Cause and Solution
Poor connection in power circuit Poor connection in ground circuit Over charging
Video Guide
Diagnostic Info
- DTC Code: B1401
- Brand: Subaru