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Service procedures 2026 firmware

Steering Wheel/Yoke Vehicle - Set Configuration

Coriander/tasks/PROC_GTW_X_STEERING-WHEEL-YOKE-SWAP

What this task does

Run this routine after retrofitting the wheel type in any manner. Sets the steering wheel configuration based on the installed part number. Note: Model S/X Long Range built after 8 MAY 2025 do not support yoke; only ROUND or ROUND_MECHANICAL_HORN selections are accepted on those vehicles. Plaid variants are unaffected.

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
No specific level listed

Procedure notes

Changes the steering wheel/yoke icons on the User Interface (UI) to match the steering wheel/yoke installed.

Task inputs (2)

Steering Wheel Type To Install

steering_wheel_type_to_install · EnumType

This input sets the configs on the vehicle if the entered part numbers are correct.

Firmware default: Not specified

Options: ROUND, YOKE, ROUND_MECHANICAL_HORN, YOKE_MECHANICAL_HORN

Airbag Part Number To Be Installed

part_number_installed · Int

The new driver airbag 7 digit Part Number (XXXXXXX) to be installed on the vehicle. To ensure proper airbag operation this Part Number must be typed in by directly referencing the actual driver airbag hardware to be installed.

Firmware default: 0

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Diagnostic tests

BMP Watchdog Enabled Check

This check succeeds if the gateway reports that the bmp watchog is enabled.

TEST_GTW_BMP-WATCHDOG-ENABLED

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

Enable BMP Watchdog

This network enables the BMP watchdog and exits with 0 if it was enabled successfully

TEST_GTW_ENABLE-BMP-WATCHDOG

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