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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 721–744

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Diagnostic tests

MCU Processes Test

This tests the functionality of the processes of the MCU.

TEST-BASH_CID_X_MCU-PROCESSES

Model S / X (legacy)
Service procedures

Measure EAS Air Mass (CONTI)

Measure the CONTI Air Suspension air mass. Will return one of AIR_MASS_TOO_LOW, AIR_MASS_OK, or AIR_MASS_TOO_HIGH.

PROC_EAS_X_MEASURE-AIR-MASS

Model S / X (legacy)
Diagnostic tests

Microphone Connectivity

This test checks for the presence of an alert that indicates the microphones are not working properly.

TEST_MCU_X_MIC-SENSE-ALERT

Model S / X (legacy)
Service procedures

Model S Door Handle Configuration Reset - Front Driver - Gen 2.1/3.0

Reset front driver door handle controller configuration to undefined value. This will allow an already configured door handle controller to be installed and calibrated on any door. Make sure to run the appropriate door handle calibration routine afterward.

PROC_DHFD_FRONT-DRV_DOOR-HANDLE-RESET

Model S / X (legacy)
Service procedures

Model S Door Handle Configuration Reset - Front Passenger - Gen 2.1/3.0

Reset front passenger door handle controller configuration to undefined value. This will allow an already configured door handle controller to be installed and calibrated on any door. Make sure to run the appropriate door handle calibration routine afterward.

PROC_DHFP_FRONT-PAS_DOOR-HANDLE-RESET

Model S / X (legacy)
Service procedures

Model S Door Handle Configuration Reset - Rear Driver - Gen 2.1/3.0

Reset rear driver door handle controller configuration to undefined value. This will allow an already configured door handle controller to be installed and calibrated on any door. Make sure to run the appropriate door handle calibration routine afterward.

PROC_DHRD_REAR-DRV_DOOR-HANDLE-RESET

Model S / X (legacy)
Service procedures

Model S Door Handle Configuration Reset - Rear Passenger - Gen 2.1/3.0

Reset rear passenger door handle controller configuration to undefined value. This will allow an already configured door handle controller to be installed and calibrated on any door. Make sure to run the appropriate door handle calibration routine afterward.

PROC_DHRP_REAR-PAS_DOOR-HANDLE-RESET

Model S / X (legacy)
Service procedures

Model X 2nd Row Center Seat Install Mode OFF

Disable 2nd row center seat install mode, which enables pitch movement, track motor speed limit and endstop positions.

PROC_BCS2C_R2-C_SEAT-INSTALL-MODE-OFF

Model S / X (legacy)
Service procedures

Model X 2nd Row Center Seat Install Mode ON

Enable 2nd row center seat install mode, which disables pitch movement, track motor speed limit and endstop positions.

PROC_BCS2C_R2-C_SEAT-INSTALL-MODE-ON

Model S / X (legacy)
Service procedures

Model X 2nd Row Left Seat Install Mode OFF

Disable 2nd row left seat install mode, which enables pitch movement, track motor speed limit and endstop positions.

PROC_BCS2L_R2-L_SEAT-INSTALL-MODE-OFF

Model S / X (legacy)
Service procedures

Model X 2nd Row Left Seat Install Mode ON

Enable 2nd row left seat install mode, which disables pitch movement, track motor speed limit and endstop positions.

PROC_BCS2L_R2-L_SEAT-INSTALL-MODE-ON

Model S / X (legacy)
Service procedures

Model X 2nd Row Right Seat Install Mode OFF

Disable 2nd row right seat install mode, which enables pitch movement, track motor speed limit and endstop positions.

PROC_BCS2R_R2-R_SEAT-INSTALL-MODE-OFF

Model S / X (legacy)
Service procedures

Model X 2nd Row Right Seat Install Mode ON

Enable 2nd row right seat install mode, which disables pitch movement, track motor speed limit and endstop positions.

PROC_BCS2R_R2-R_SEAT-INSTALL-MODE-ON

Model S / X (legacy)
Service procedures

Model X Active Spoiler Calibration

This routine will trigger the automatic spoiler calibration routine in the BCREAR module. The calibration will tell the BCREAR where the spoiler endstops are and will calibrate the spoiler anti-pinch.

PROC_BCREAR_REAR_TEST-SPOILER

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.