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Communication checks 2026 firmware

IBST Chassis CAN Communication Test

Gen3/tasks/PING-TP_IBST

Model 3 / YModel S / X (2021+)

What this task does

Tests the communication of the iBooster (IBST) Electronic Control Unit (ECU). Communication is established via Unified Diagnostics Services (UDS) over the chassis Controller Area Network (CAN).

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 · Parked
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)

No user inputs are listed in this firmware.

Model 3 / Y Intel · Firmware 2026.32.7
Vehicle coverage
Model Y, Pre-2024 Model 3
Supported connection
Local connection
Vehicle state
Stationary · Parked
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)

No user inputs are listed in this firmware.

Model S / X (2021+) AMD · Firmware 2026.20.6.1
Vehicle coverage
2021+ Model S, 2021+ Model X
Supported connection
Local connection
Vehicle state
Stationary · Parked
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)

No user inputs are listed in this firmware.

Related service tasks

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Service procedures

IBST - Clear DTC

Clears the Diagnostic Trouble Codes (DTC) in the iBooster (IBST) Electronic Control Unit (ECU).

PROC_IBST_X_CLEAR-DTCS

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

IBST Party CAN Communication

Tests the communication of the iBooster (IBST) Electronic Control Unit (ECU). Communication is established over the Party Controller Area Network (CAN).

PING-DTC_IBST_X_PARTY

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

IBST UDS ECU Reset

Resets the iBooster (IBST) Electronic Control Unit (ECU). Reset is executed via Unified Diagnostics Services (UDS) over the Controller Area Network (CAN).

TEST-RESET_IBST

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

Read RPS sensor value at idle

Waits for iBooster to reach idle position, and reports the value of the RPS sensor

PROC_IBST_X_READ-RPS-AT-IDLE

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