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Self-tests 2026 firmware

Test Air Suspension Compressor Connection

Coriander/tasks/TEST-SELF_TAS_X_COMPRESSOR

Model S / X (2021+)

What this task does

Tests the electrical connection between the Tesla Air Suspension (TAS) ECU and the compressor.

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 (2021+) AMD · Firmware 2026.20.6.1
Vehicle coverage
2021+ Model S, 2021+ Model X
Supported connection
Local connection
Vehicle state
Stationary · Parked
Gateway diagnostic level
DiagLinkActive, Factory, Service

Procedure notes

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

Task inputs (0)

No user inputs are listed in this firmware.

Related service tasks

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Communication checks

Air Suspension Chassis CAN Communication

Tests communication with the Air Suspension Chassis (TAS) Electronic Control Unit (ECU). Communication is established via Unified Diagnostics Services (UDS) over the Controller Area Network (CAN).

PING-TP_TAS

Model S / X (2021+)
Service procedures

Air Suspension Pressure Measurement

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

PROC_TAS_X_MEASURE-AIR-SUSPENSION-PRESSURE

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

Calibrate Air Suspension

Calibrate the ride height of the Tesla Air Suspension (TAS).

PROC_TAS_X_CALIBRATE-RIDE-HEIGHT-PACK

Model S / X (2021+)
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+)