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BMS_w126 — HW BMS Blind Mate

Full alert identifier: BMS_w126_HW_BMS_Blind_Mate

Alert description

The Complex Programmable Logic Device (CPLD) of the High Voltage (HV) Battery Management System (BMS) detects a blind mate fault bit.

Potential impact

The HV connector on the battery pack is not connected to the HVIL loop. HVIL behavior may be affected.

Set condition

The CPLD of the HV BMS detects a blind mate fault bit. The HVIL is on and HVIL voltage is greater than the blind mate alert threshold. The CPLD and the BMS concurrently detect the HVIL loop through the HV connector on the battery may not be connected.

Clear condition

The alert clears when the blind mate is cleared in the CPLD.

Signals to check

Open this alert in Service Mode Plus and review the Payload tab. Use the field names below to identify the values shown by your vehicle.

Signal Unit
Hvil V BMS_a126_hvilV V

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_w126.

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