MyTeslaMate
BMS family

BMS_w126_HW_BMS_Blind_Mate

Not Available

What does the BMS_w126_HW_BMS_Blind_Mate alert mean?

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

What you'll see in your Tesla

  • Not Available

What triggers it

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.

When it clears

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

Potential impact

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

Affected models

Model S 2012-2020 Model X 2015-2020

Track your Tesla's alerts automatically

Alerts like this reach MyTeslaMate through your car's Tesla telemetry API. MyTeslaMate logs every alert your Tesla reports and turns it into readable history and real-time notifications — hosted TeslaMate with no server to run.