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Self-tests

Homelink Test

Gen3/tasks/TEST-SELF_VCFRONT_X_HOMELINK

Model 3 / YModel S / X (2021+)

What this task does

Tests Local Interconnect Network (LIN) connections to the HomeLink Electronic Control Unit (ECU). This routine takes a few seconds.

Vehicle compatibility

Select your vehicle’s hardware to see task details, requirements, and inputs. Availability is confirmed after connection.

Model 3 / Y AMD
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

Task inputs (0)

This task has no listed user inputs.

Model 3 / Y Intel
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

Task inputs (0)

This task has no listed user inputs.

Model S / X (2021+) AMD
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

Task inputs (0)

This task has no listed user inputs.

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12V Reset

Power cycles all of the eFuses on the Vehicle Front Controller (VCFRONT) and shuts off Sleep Bypass.

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Active Louver Self Test

Performs louver connection check. Will only move the louver through partial range of motion.

TEST-SELF_VCFRONT_X_ACTIVE-LOUVER

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Service procedures

Allow High Beam Enablement in Factory Mode

Allows high beams to be enabled in Factory Mode until the Front Vehicle Controller (VCFRONT) ECU is power cycled.

PROC_VCFRONT_X_ALLOW-HIGH-BEAMS-FACTORY

Model S / X (2021+)
Self-tests

Ambient Sensor Test

Tests for power, connection, and communication of the ambient sensor controlled by the Front Vehicle Controller (VCFRONT).

TEST-SELF_VCFRONT_X_AMBIENT-TEMP

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