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Self-tests 2026 firmware

Test Air Suspension Valve Block and Pressure Sensor Connection

Common/tasks/TEST-SELF_TAS_X_VALVE-BLOCK

Model S / X (legacy)

What this task does

Tests the electrical connection of the air suspension valve block reservoir valve, corner valves, and pressure sensor.

Vehicle & firmware coverage

Open a version to see its description, requirements, and input definitions. Hardware configuration and live vehicle checks also determine availability.

Model S / X (legacy) Legacy infotainment · Firmware 2026.14.6
Vehicle coverage
Pre-2021 Model S, Pre-2021 Model X
Supported connection
Local connection
Vehicle state
Stationary · Parked
Gateway diagnostic level
DiagLinkActive, Factory, Service

Procedure notes

The air suspension valve block might be activated, which can cause the suspension to make noise.

Task inputs (0)

No user inputs are listed in this firmware.

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Service procedures

Air Suspension Pressure Measurement

Measures the air pressure of the Tesla Air Suspension (TAS) system.

PROC_TAS_X_MEASURE-AIR-SUSPENSION-PRESSURE

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Service procedures

Check TAS Run Mode.

Check Tesla Air Suspension (TAS) Electronic Control Unit (ECU) mode.

PROC_TAS_X_CHECK-RUN-MODE

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

Reset Ride Height Calibration

The procedure resets ride height calibration values to default.

PROC_TAS_X_RESET-RIDE-HEIGHT-CALIBRATION

Model S / X (legacy) Model S / X (2021+)