VCFRONT_a498_PCSEFuseOVTLoadShed
Description
The front vehicle controller (VCFRONT) detects the power conversion system (PCS) eFuse has exceeded 133 degrees C. The PCS eFuse circuit may open (trip) if low voltage (LV) electrical system loads are not reduced to 175A or less. VCFRONT is shedding some vehicle electrical loads by cutting power to less essential electronic control units (ECUs).
Condition
The PCS eFuse temperature is detected as greater than 133 degrees C for 500 milliseconds.
Clear Condition
The PCS eFuse temperature remains below 133 degrees C long enough for VCFRONT to stop loadshedding (until PCS eFuse Loadshed Stage is MIN).
Potential Impact
Some convenience features will be unavailable as VCFRONT limits LV electrical system current draw by cutting power to some electronic control units (ECUs).
Customer Facing Message 1
Not Available
Customer Facing Message 2
Not Available
Audiences
service-fix
Models
Model S 2021+;Model X 2021+