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A2B Bus Components - Check Connection

Gen3/tasks/TEST-BASH_SPK_X_A2B-CHECK

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

Task inputs (1)

Timeout

timeout · Int

Script timeout for internally referenced shell scripts

Default: 45

Browse all tasks →
Diagnostic tests

Check MCU and PWS Speaker Connections

Check the electrical connection between the MCU speakers and check PWS speaker

TEST-BASH_SPK_X_MCU-PWS-CHECK

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

Check MCU Speaker Connections

Tests the electrical connection between the Media Control Unit (MCU) and speakers.

TEST-BASH_SPK_X_MCU-CHECK

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