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The service task reference · 2026

Tesla service tasks.

Find the procedure. Understand what it does. Explore diagnostic tests and repair tasks you can run with Tesware on compatible vehicles.

1,357

service tasks

2026 firmware

Model 3, Y, S & X

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1,357 tasks Showing 1177–1200

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Service procedures

TAS Clear Crash Detected

The procedure clears crash detection alerts in the Tesla Air Suspension (TAS) ECU.

PROC_TAS_X_CLEAR-CRASH-DETECTED

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

TAS Clear Spring Leak Alert

The procedure clears spring leakage alerts in the Tesla Air Suspension (TAS) ECU.

PROC_TAS_X_CLEAR-SPRING-LEAK-ALERT

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

TAS Deflate Component

Deflates a component on the Tesla Air Suspension (TAS) system. Tesla Air Suspension (TAS) Electronic Control Unit (ECU) must be in Service Mode to run the procedure.

PROC_TAS_X_DEFLATE

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

TAS Leveling

Levels the Tesla Air Suspension (TAS) to the selected target height.

PROC_TAS_X_LEVEL-TO-HEIGHT

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

TAS Normal Mode

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

PROC_TAS_X_ENTER-NORMAL-MODE

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

TAS Ride Height Calibration

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

PROC_TAS_X_CALIBRATE-RIDE-HEIGHT

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

TAS Ride Height Calibration Check

Checks the ride height calibration of the Tesla Air Suspension (TAS).

PROC_TAS_X_CHECK-RIDE-HEIGHT-CALIBRATION

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

TAS Service Mode

Tesla Air Suspension (TAS) Electronic Control Unit (ECU) enters Service Mode.

PROC_TAS_X_ENTER-SERVICE-MODE

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

TAS UDS ECU Reset

This routine will reset the Tesla Air Suspension (TAS) ECU.

TEST-RESET_TAS

Model S / X (2021+)
Software updates

Terminates Vehicle Update

The update to vehicle firmware is terminated.

UPDATE_SERVICE-TERMINATE

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

Tesla Air Suspension Airline Test

Check Tesla Air Suspension (TAS) airline connections. TAS must be in Service Mode (PROC_TAS_X_ENTER-SERVICE-MODE) and be set to Medium ride height (PROC_TAS_X_LEVEL-TO-HEIGHT) before running this routine.

PROC_TAS_X_AIRLINE-TEST

Model S / X (legacy) Model S / X (2021+)
Self-tests

Test Air Suspension Compressor Valves Connection

Tests the electrical connection between the air suspension compressor, the boost valve, the exhaust valve, and the compressor ground return connection.

TEST-SELF_TAS_X_COMPRESSOR-VALVE

Model S / X (legacy)
Self-tests

Test Air Suspension Compressor Valves Connection

Tests the electrical connection between the air suspension compressor, the boost valve, the exhaust valve, and the compressor ground return connection.

TEST-SELF_TAS_X_COMPRESSOR-VALVE

Model S / X (2021+)
Diagnostic tests

Test APN, SIM Card, and IMEI

Tests whether the Access Point Name (APN), SIM card, and International Mobile Equipment Identity (IMEI) reported by the Infotainment system match Tesla servers.

TEST_ICE_X_SIM-APN

Model S / X (legacy)
Self-tests

Test AQS Connection

Tests if the Air Quality Sensor (AQS) is connected to and communicating with the Local Interconnect Network (LIN) bus. This routine confirms the AQS is present, responding, and not reporting fault conditions.

TEST-SELF_VCBATT_X_AQS

Model S / X (2021+)
Self-tests

Test Battery Coolant Pump Connection

Tests if the battery coolant pump is electrically connected and operating as expected. The pump will be activated and the Vehicle Battery Controller (VCBATT) will monitor current feedback to verify proper electrical connection.

TEST-SELF_VCBATT_X_COOLANT-PUMP-BATTERY

Model S / X (2021+)
Self-tests

Test Chiller Coolant Pump Connection

Tests if the chiller coolant pump is electrically connected. The chiller coolant pump will be activated and its electrical feedback will be monitored to verify proper electrical connection.

TEST-SELF_VCFRONT_X_COOLANT-PUMP-CHILLER

Model S / X (2021+)
Self-tests

Test Front Left Fog Light and Side Marker Connection

Tests the electrical connectivity of front left fascia lights, including the fog light and side marker light. This routine activates each light and monitors current draw to verify proper electrical connection.

TEST-SELF_VCBATT_FRONT-L_FOG-SIDE-MARKER

Model S / X (2021+)
Self-tests

Test Front Right Fog Light and Side Marker Connection

Tests the electrical connectivity of front right fascia lights, including the fog light and side marker light. This routine activates each light and monitors current draw to verify proper electrical connections.

TEST-SELF_VCFRONT_FRONT-R_FOG-SIDE-MARKER

Model S / X (2021+)

About this reference

Descriptions and input definitions come from Tesla’s 2026 vehicle firmware. This catalog includes tasks covered by Tesware’s current service access. Each task page lists the vehicle and firmware versions in which it was found. The connected vehicle confirms whether a task can run.

  • Model 3 / Y · AMD · firmware 2026.32.3
  • Model 3 / Y · Intel · firmware 2026.32.7
  • Model S / X (legacy) · Legacy infotainment · firmware 2026.14.6
  • Model S / X (2021+) · AMD · firmware 2026.20.6.1

Cybertruck is not included in this 2026 reference.