DTC BMS_f001: Overcurrent Condition; DTC BMS_f022: Overcurrent Condition [09/2013 - ]: Description

WARNING: This page is about a different car, the 2014 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.

Alert Code	Monitoring Item	Detection Condition	Detection Timing	Trouble Area
BMS_f001	Overcurrent condition detected	Hardware detected overcurrent in the high-voltage positive or high-voltage negative circuit of the electric vehicle battery assembly.	While power switch on (IG) During charging	DC/DC converter assembly Electric vehicle battery assembly Electric heater sub-assembly Battery coolant heater Compressor assembly with bracket Electric vehicle charger assembly Electric vehicle traction motor assembly EV charger with cable inlet sub-assembly Wire harness or connector
BMS_f022	Overcurrent condition detected	Software detected overcurrent in the high-voltage positive or high-voltage negative circuit of the electric vehicle battery assembly.	While power switch on (IG) During charging	DC/DC converter assembly Electric vehicle battery assembly Electric heater sub-assembly Battery coolant heater Compressor assembly with bracket Electric vehicle charger assembly Electric vehicle traction motor assembly EV charger with cable inlet sub-assembly Wire harness or connector