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Self-tests 2026 firmware

Thermal System Performance Test

Gen3/tasks/TEST-SELF_VCFRONT2_X_THERMAL-PERFORMANCE

What this task does

Tests the vehicle thermal system performance, including both powertrain and cabin HVAC heating and cooling with pass or fail result returned. This is the same routine used by Tesla in the manufacturing environment to certify thermal system is performing to specification.

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
Gateway diagnostic level
No specific level listed

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
Gateway diagnostic level
No specific level listed

Task inputs (0)

No user inputs are listed in this firmware.

Browse all tasks →
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
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