Skip to content
Service procedures 2026 firmware

Windshield Configuration Update

Gen3/tasks/PROC_VCRIGHT_X_WINDSHIELD-REPLACEMENT

Model 3 / Y

What this task does

Depending on the windshield installed, the Temperature Humidity Sensor (THS) will be configured different. Run this routine after replacing the windshield and select the windshield part number to ensure nominal HVAC performance.

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
Supported connection
Local connection
Vehicle state
Stationary · Neutral; Stationary · Parked
Gateway diagnostic level
Factory, DiagLinkActive, Service

Procedure notes

Windshield configuration will impact customer HVAC comfort. Ensure correct windshield is selected.

Task inputs (2)

Self Test THS

self_test_ths · Bool

Whether to self test the THS after flashing to confirm it's connected

Firmware default: true

Windshield Part Number

windshield_pn · String

This input sets the THS configuration based on the installed windshield.

Firmware default: UNKNOWN

Options: UNKNOWN, 1946840, 1946842, 1946838, 1946831, 1946834, 2036085, 2262639, 2262640, 2262643, 2262641, 2262642, 2262644, 1715633, 1715649, 1774995, 2262636, 2262637, 2262638

Related service tasks

Browse all tasks →
Self-tests

Ambient Sensor Test

This self test checks the ambient temperature sensor functionality

TEST-SELF_VCRIGHT_X_AMBIENT-TEMP

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

Cabin Thermistor Test

This self test checks the cabin thermistor functionality controlled by the Right Vehicle Controller (VCRIGHT).

TEST-SELF_VCRIGHT_X_HVAC-CABIN-THERMISTORS

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

Calibrate Right FOOTWELL LED

The procedure calibrates the right footwell LED light controlled by the Right Vehicle Controller (VCRIGHT). During calibration, the light might not illuminate.

PROC_VCRIGHT_RIGHT_CALIBRATE-FOOTWELL-LED

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