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Diagnostic tests 2026 firmware

Microphone Connectivity

ModelSX/tasks/TEST_MCU_X_MIC-SENSE-ALERT

What this task does

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

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 (legacy) Legacy infotainment · Firmware 2026.14.6
Vehicle coverage
Pre-2021 Model S, Pre-2021 Model X
Supported connection
Local connection
Vehicle state
Stationary · Neutral; Stationary · Parked; Moving · Neutral; Moving · Parked
Gateway diagnostic level
No specific level listed

Task inputs (0)

No user inputs are listed in this firmware.

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Service procedures

Search Time Range in SX Gateway Logs

Searches the SX gateway logs for a byte range and a file range given start and end timestamps in s.

PROC_MCU_X_SEARCH-GATEWAY-LOGS

Model S / X (legacy)
Service procedures

Set Homelink country

Sets Homelink country based on vehicle configuration. Ensures that Homelink operates on frequencies allowed within the region the car is configured for.

PROC_MCU_X_SET-HOMELINK-COUNTRY

Model S / X (legacy)