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
Communication checks
2026 firmware
Front Vehicle Controller (VCFRONT) CAN Communication
Gen3/tasks/PING-TP_VCFRONT2
What this task does
Tests communication with the front vehicle controller (VCFRONT) Electronic Control Unit (ECU). Communication is established via Unified Diagnostics Services (UDS) over the Controller Area Network (CAN).
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
- 2024+ Model 3, 2025+ Model Y, Model Y
- Supported connection
- Local connection
- Vehicle state
- Stationary · Parked; Stationary · Neutral
- Gateway diagnostic level
- No specific level listed
Procedure notes
When communication is established, the test will succeed. If the test fails, inspect wiring and ensure ECU is powered.
Task inputs (0)
No user inputs are listed in this firmware.
Model 3 / Y Intel · Firmware 2026.32.7
- Vehicle coverage
- Model Y
- Supported connection
- Local connection
- Vehicle state
- Stationary · Parked; Stationary · Neutral
- Gateway diagnostic level
- No specific level listed
Procedure notes
When communication is established, the test will succeed. If the test fails, inspect wiring and ensure ECU is powered.
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