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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

Find a service task

1,357 tasks Showing 625–648

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Self-tests

Interior Camera Fan Test

Run interior camera fan and check its RPM

TEST-SELF_VCRIGHT_DAS_INTERIOR-CAMERA-FAN

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

Intrusion Detection Test

This routine runs on the central body controller (BCCEN) and verifies that the Intrusion Tilt Sensor and Battery Backed Siren have been installed and are functioning correctly.

TEST_BCCEN_X_INTRUSION-DETECTION

Model S / X (legacy)
Diagnostic tests

Key Range Test

This test checks the RKE antenna system function and quality in Model S vehicles. The test can be performed with any Model S key fob or RF emitter, provided it is the same frequency region as the vehicle. The test will pass when the security controller (SEC) detects a RSSI value between 380 and 500. As the user presses key fob buttons, the SEC records the received signal strength from the RKE antenna.

TEST_SEC_X_KEY-RANGE

Model S / X (legacy)
Service procedures

Learn New LV Battery

Run this routine after replacing the Li-Ion Low Voltage (LV) battery. Checks the fitted battery variant, adjusts vehicle configurations to the fitted variant type, and resets the required controllers and battery data.

PROC_VC_X_POST-LI-ION-LV-BATTERY-REPLACEMENT

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

Left 2nd row Seat Functional Test

Moves the left 2nd row seat to the rearward endstop. The seat then moves through its full range to test, then moves to the nominal use position.

PROC_VCSEAT2L_R2-SEAT-FUNCTIONAL-TEST

Model 3 / Y
Communication checks

Left B-Pillar Camera Connection Test

Tests connection to right b-pillar camera and performs camera firmware update.

PING-HTTP_DAS_L_B-PILLAR-CAMERA-SCRIPT

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

Left Blind Spot Indicator LED Connectivity Check

Tests connection and harness of the left blind spot indicator light controlled by the Left Vehicle Controller (VCLEFT) Electronic Control Unit (ECU).

TEST-SELF_VCLEFT_X_BLIND-SPOT-LED

Model S / X (2021+)
Self-tests

Left Blind Spot Indicator LED Connectivity Check

Tests connection and harness of the left blind spot indicator light controlled by the Left Vehicle Controller (VCLEFT) Electronic Control Unit (ECU).

TEST-SELF_VCLEFT_X_BLIND-SPOT-LED

Model 3 / Y
Service procedures

Left controller post replacement procedure

A consolidation of all the ODIN routines required to be run post replacing a Left controller. The routine will wait for up to 30s for the left seat to be unoccupied and all left hand doors to be closed.

PROC_CONTROLLER_LEFT_POST-REPLACEMENT-PROCEDURE

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

Left Footwell Light Connectivity Check

Tests the power, connection, and communication of the left footwell light controlled by the Left Vehicle Controller (VCLEFT).

TEST-SELF_VCLEFT_X_FOOTWELL-LIGHT

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

Left Front Door Speaker (Base) Test

This tests the functionality of the Left Front Door Speaker (Base).

TEST-BASH_CID_FRONT-L_SPEAKER-LFDO-BASE

Model S / X (legacy)
Self-tests

Left Front Seat Components Self-Test

Tests the left front seat track, lift, tilt, and backrest motors, seat heatpad, heatpad thermistor, seatbelt buckle switch, and the backrest, track, and lift switches. This routine measures current draw, detects encoder movement, and verifies communication with the Local Interconnect Network (LIN) to confirm the components are operating as expected. This routine does not test the lumbar components or occupancy switch.

TEST-SELF_VCLEFT_FRONT_SEAT-NO-LUMBAR-NO-OCCUPANCY-SWITCH

Model 3 / Y
Self-tests

Left Front Seat Fan Test

Tests current of the front left seat controlled by the Left Electronic Parking Brake (EPBL) Electronic Control Unit (ECU).

TEST-SELF_EPBL_FRONT_SEAT-FAN

Model 3 / Y
Self-tests

Left Front Seat Test

Runs several self-tests for the Left Front Seat.

TEST-SELF_VCLEFT_FRONT_SEAT

Model 3 / Y
Self-tests

Left Front Seat Test

Tests for power, connection, and communication of the front left seat controlled by the Left Vehicle Controller (VCLEFT).

TEST-SELF_VCLEFT_FRONT_SEAT-NO-LUMBAR

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

Left Front Seat Thigh Support Calibration

Moves the front seat thigh support to the rearward endstop to perform position calibration, then moves the thigh support to the nominal use position.

PROC_VCLEFT_FRONT-SEAT-THIGH-SUPPORT-CALIBRATION

Model 3 / Y

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.