Skip to content

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

Find a service task

1,357 tasks Showing 1249–1272

Browse by name, A–Z

ECU resets

TPMS UDS ECU Reset

The test resets the Tire Pressure Monitoring System (TPMS) ECU via UDS.

TEST-RESET_TPMS

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

Trailer Light Controller (TLC) LIN Communication Test

Tests communication of the Trailer Light Controller (TLC) Electronic Control Unit (ECU). Communication is established over the Local Interconnect Network (LIN) bus network.

TEST_VCLEFT-TLC_REAR_TRAILER-LIN-COMM

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

TRCM Service Tasks

Runs all required routines after a Tesla Restraints Control Module (TRCM) replacement and arms the system.

PROC_TRCM_X_SERVICE-TASKS

Model 3 / Y
Communication checks

TRCM UDS Communication Test

Checks communication with the Tesla Restraints Control Module (TRCM). Communication is established through Unified Diagnostics Services (UDS) over the Controller Area Network (CAN).

PING-TP_TRCM

Model 3 / Y
Service procedures

Trigger an Odin Patch install

The procedure triggers an Odin Patch installation if a patch is available for the vehicle's installed firmware signature.

PROC_ICE_X_INSTALL-PATCH

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

Trigger an Odin Patch uninstall

Triggers an Odin Patch uninstall to fall back to installed firmware

PROC_ICE_X_UNINSTALL-PATCH

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

Trigger ECU Log Upload

ODIN checks with the ECU if a log upload is available. If it is, ODIN downloads the data and uploads it to garage logs.

PROC_ODIN_X_TRIGGER-ECU-LOG-UPLOAD

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

Trunk Interior Illumination Connectivity Check (Left)

Tests for power, connection, and communication of the left trunk interior illumination controlled by the Left Vehicle Controller (VCLEFT).

TEST-SELF_VCLEFT_X_TRUNK-INTERIOR-LIGHT

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

Trunk Interior Illumination Connectivity Check (Right)

Tests for power, connection, and communication of the right trunk interior illumination controlled by the Right Vehicle Controller (VCRIGHT).

TEST-SELF_VCRIGHT_X_TRUNK-INTERIOR-LIGHT

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

Tune Radio

Tune radio by inputting BAND (AM/FM/DAB/XM) and FREQUENCY (station). PLEASE HAVE RADIO PANEL PULLED UP ON THE UI BEFORE RUNNING.

PROC_ICE_X_TUNE-RADIO

Model 3 / Y Model S / X (legacy) Model S / X (2021+)
Diagnostic tests

Tuner and Antenna Connection Check

Based on vehicle configuration, corresponding option of tuner is checked.

TEST-BASH_CID_X_TUNER-ANTENNA-ALL

Model S / X (legacy)
Diagnostic tests

Tuner Antenna Test (APAC Base)

This checks the connections of tuner and antenna.

TEST-BASH_CID_X_TUNER-ANTENNA-APAC-BASE

Model S / X (legacy)
Diagnostic tests

Tuner Antenna Test (APAC Premium)

This checks the connections of tuner and antenna.

TEST-BASH_CID_X_TUNER-ANTENNA-APAC-PREMIUM

Model S / X (legacy)
Diagnostic tests

Tuner Antenna Test (EU)

This checks the connections of tuner and antenna.

TEST-BASH_CID_X_TUNER-ANTENNA-EU

Model S / X (legacy)
Diagnostic tests

Tuner Antenna Test (NA Base)

This checks the connections of tuner and antenna.

TEST-BASH_CID_X_TUNER-ANTENNA-NA-BASE

Model S / X (legacy)
Diagnostic tests

Tuner Antenna Test (NA Premium)

This checks the connections of tuner and antenna.

TEST-BASH_CID_X_TUNER-ANTENNA-NA-PREMIUM

Model S / X (legacy)
Service procedures

Turn Off E-fuse Power Feed

Turns off an individual e-fuse power feed for the selected component. The channel powers down respecting the going-down timer. When the timeout expires, power is restored automatically.

PROC_VC_X_POWER-OFF-REQUEST

Model 3 / Y
Service procedures

Turn On Accessory Rail

Turn on the accessory (ACC) power rail.

PROC_CID_X_ACC-RAIL-ON

Model S / X (legacy)
Service procedures

Turn on map lights

Turn on the interior cabin map lights.

PROC_ICE_X_MAP-LIGHTS-ON

Model S / X (legacy)

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.