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Service procedures 2026 firmware

Rear Left Window Command Position

Gen3/tasks/PROC_VCLEFT_REAR-L_COMMAND-WINDOW-POSITION

What this task does

Move window to a specified position.

Vehicle & firmware coverage

Open a version to see its description, requirements, and input definitions. Hardware configuration and live vehicle checks also determine availability.

Model 3 / Y AMD · Firmware 2026.32.3
Vehicle coverage
2024+ Model 3, 2025+ Model Y, Model Y, Pre-2024 Model 3
Supported connection
Local connection
Vehicle state
Stationary · Drive; Stationary · Neutral; Stationary · Parked; Stationary · Reverse
Gateway diagnostic level
No specific level listed

Procedure notes

This routine will actuate the target window.

Task inputs (1)

Target Window Position

POSITION · Int

Desired window position percent 0 (closed) to 100 (open).

Firmware default: 0

Model 3 / Y Intel · Firmware 2026.32.7
Vehicle coverage
Model Y, Pre-2024 Model 3
Supported connection
Local connection
Vehicle state
Stationary · Drive; Stationary · Neutral; Stationary · Parked; Stationary · Reverse
Gateway diagnostic level
No specific level listed

Procedure notes

This routine will actuate the target window.

Task inputs (1)

Target Window Position

POSITION · Int

Desired window position percent 0 (closed) to 100 (open).

Firmware default: 0

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 · Drive; Stationary · Neutral; Stationary · Parked; Stationary · Reverse
Gateway diagnostic level
No specific level listed

Procedure notes

This routine will actuate the target window.

Task inputs (1)

Target Window Position

POSITION · Int

Desired window position percent 0 (closed) to 100 (open).

Firmware default: 0

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Self-tests

2R Connections to VCLEFT

Tests the connection between VCLEFT and the different rear left seat endpoints.

TEST-SELF_VCLEFT_REAR_SEAT

Model 3 / Y
Self-tests

2R Left Recline and Center Armrest Console Self-Test

Tests the second row (2R) left recline and center armrest console switches, motors, and sensors by measuring current draw, performing endpoint tests, and detecting communication with the Local Interconnect Network (LIN) bus.

TEST-SELF_VCLEFT_2R_P2-MS-RECLINE-ARMREST-CONSOLE

Model S / X (2021+)
Self-tests

Airwave - First Row Left Self-Test

Tests the functionality and connectivity of the first row left airwave actuators to the left vehicle controller (VCLEFT) ECU.

TEST-SELF_VCLEFT_X_AIRWAVE-FIRST-ROW-LEFT

Model S / X (2021+)