Self-tests
Ambient Sensor Test
Tests for power, connection, and communication of the ambient sensor controlled by the Front Vehicle Controller (VCFRONT2).
TEST-SELF_VCFRONT2_X_AMBIENT-TEMP
Model 3 / Y
Service procedures
2026 firmware
Test VCFRONT DIF eFuse turns ON
Gen3/tasks/PROC_VCFRONT2_DIF-EFUSE-TURN-ON-TEST
What this task does
Tests if the Front Controllers is able to turn on its Drive inverter front efuse successfully.
Vehicle & firmware coverage
Open a version to see its description, requirements, and input definitions. Hardware configuration and live vehicle checks also determine availability.
Model 3 / Y AMD · Firmware 2026.32.3
- Vehicle coverage
- 2025+ Model Y
- Supported connection
- Local connection
- Vehicle state
- Stationary · Parked
- Gateway diagnostic level
- Service, Factory, DiagLinkActive
Procedure notes
Ensure vehicle not in drive power state. Ensure vehicle is not being charged. Ensure LV battery is fully charged. Routine may take upto 4 minutes to complete.
Task inputs (0)
No user inputs are listed in this firmware.
Related service tasks
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Self-tests
Battery Coolant Pump Test
Tests for power, connection, and communication of the battery coolant pump controlled by the Front Vehicle Controller (VCFRONT2).
TEST-SELF_VCFRONT2_X_COOLANT-PUMP-BATTERY
Model 3 / Y
Service procedures
Clear left headlamp latched faults in factory
Clear all left headlamp factory latched faults that were triggering leftHeadlampFactoryFault alert
PROC_VCFRONT2_X_CLEAR-HEADLAMP-LATCHED-FACTORY-FAULTS
Model 3 / Y
Service procedures
Coolant - Start Thermal Fluid Fill and Drain
Starts the Thermal Fluid Fill and Thermal Fluid Drain procedures. Returns result when routine is started, but runs for up to 50 minutes.
PROC_VCFRONT2_X_START-THERMAL-FILL-DRAIN-COOLANT
Model 3 / Y