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Diagnostic tests 2026 firmware

A2B Bus Components - Check Connection

Gen3/tasks/TEST-BASH_SPK_X_A2B-CHECK

Model 3 / Y

What this task does

Checks the Automotive Audio Bus (A2B) connection of the telephony microphone boards, and if applicable, the Telematics Control Unit (TCU) and the premium amplifier.

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
Gateway diagnostic level
DiagLinkActive, Factory, Service, ParkRobotaxi, Park

Task inputs (1)

Timeout

timeout · Int

Script timeout for internally referenced shell scripts

Firmware default: 45

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