DTC U11B9: BMU lost (SUB_BMU)
TROUBLE JUDGMENT
Check Conditions
- The power supply mode of the electric motor switch is ON, or the main drive lithium-ion battery starts to be charged.
Judgment Criterion
- The signal sent by the BMU through the CAN cannot be received.
COMMENT ON TROUBLE SYMPTOM
Past trouble
- For diagnosis procedures, refer to "How to treat past trouble" (refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Treat Past Trouble ).
FAIL-SAFE AND BACKUP FUNCTION
PROBABLE CAUSES
- The sub-battery management unit [BMU (SUB)] is failed.