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Self-tests 2026 firmware

EXTENDED HEAT PUMP SYSTEM TEST

Common/tasks/TEST-SELF_VCRIGHT_X_EXTENDED-HEAT-PUMP-SYSTEM

Model 3 / Y

What this task does

Routine will fail if car is DC charging or battery SOC is below 20 percent. Recommend to run test with battery SOC above 40 percent.

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, Pre-2024 Model 3
Supported connection
Local connection
Vehicle state
Stationary · Parked
Gateway diagnostic level
Service, Factory, DiagLinkActive

Procedure notes

Please note this is NOT the HVAC/thermal performance test. This test will last for hours to run the heat pump system.

Task inputs (1)

Select Test Phase

test_phase · Int

set the test phase to run

Firmware default: 0

Model 3 / Y Intel · Firmware 2026.32.7
Vehicle coverage
Model Y, Pre-2024 Model 3
Supported connection
Local connection
Vehicle state
Stationary · Parked
Gateway diagnostic level
Service, Factory, DiagLinkActive

Procedure notes

Please note this is NOT the HVAC/thermal performance test. This test will last for hours to run the heat pump system.

Task inputs (1)

Select Test Phase

test_phase · Int

set the test phase to run

Firmware default: 0

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Self-tests

Ambient Sensor Test

This self test checks the ambient temperature sensor functionality

TEST-SELF_VCRIGHT_X_AMBIENT-TEMP

Model 3 / Y Model S / X (2021+)
Self-tests

Cabin Thermistor Test

This self test checks the cabin thermistor functionality controlled by the Right Vehicle Controller (VCRIGHT).

TEST-SELF_VCRIGHT_X_HVAC-CABIN-THERMISTORS

Model 3 / Y Model S / X (2021+)
Service procedures

Calibrate Right FOOTWELL LED

The procedure calibrates the right footwell LED light controlled by the Right Vehicle Controller (VCRIGHT). During calibration, the light might not illuminate.

PROC_VCRIGHT_RIGHT_CALIBRATE-FOOTWELL-LED

Model 3 / Y Model S / X (2021+)