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Communication checks

Front Vehicle Controller (VCBATT) CAN Communication

Gen3/tasks/PING-TP_VCBATT

Model 3 / Y

What this task does

Tests communication with the front vehicle controller (VCBATT) Electronic Control Unit (ECU). Communication is established via Unified Diagnostics Services (UDS) over the Controller Area Network (CAN).

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
Supported connection
Local connection
Vehicle state
Stationary · Parked; Stationary · Neutral
Gateway diagnostic level
No specific level listed

Procedure notes

When communication is established, the test will succeed. If the test fails, inspect wiring and ensure ECU is powered.

Task inputs (0)

This task has no listed user inputs.

Model 3 / Y Intel
Vehicle coverage
Model Y
Supported connection
Local connection
Vehicle state
Stationary · Parked; Stationary · Neutral
Gateway diagnostic level
No specific level listed

Procedure notes

When communication is established, the test will succeed. If the test fails, inspect wiring and ensure ECU is powered.

Task inputs (0)

This task has no listed user inputs.

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Low Voltage Battery Vehicle Controller (VCBATT) CAN Communication

Tests communication with the low voltage battery vehicle controller (VCBATT) Electronic Control Unit (ECU). Communication is established via Unified Diagnostics Services (UDS) over the Controller Area Network (CAN).

PING-TP_VCBATT_ALL

Model 3 / Y
ECU resets

VCBATT UDS ECU Reset

The test resets the Low Voltage Battery Vehicle Controller (VCBATT) ECU via UDS.

TEST-RESET_VCBATT

Model 3 / Y