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Communication checks 2026 firmware

Integrated Dynamic Brake CAN Communication

Gen3/tasks/PING-TP_IDB

Model 3 / Y

What this task does

Tests communication with the Integrated Dynamic Brake (IDB) Electronic Control Unit (ECU). Communication is established via Unified Diagnostics Services (UDS) over the 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
2025+ Model Y
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.

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Service procedures

Bleed IDB RCU brake control internal volumes

Executes the SERVICE_BLEED routine for both IDB and RCU for 14 cycles. Supplier recommendation is 5x executions (70 total). LEAVE THE CALIPER BLEED NIPPLES CLOSED! Do not press the pedal during execution.

PROC_IDB_RCU_BLEED-INTERNALS

Model 3 / Y
Service procedures

IDB Bleed Calipers

Pressurizes all calipers from IDB.

PROC_IDB_BLEED-CALIPER

Model 3 / Y
ECU resets

IDB UDS ECU Reset

Resets the Integrated Dynamic Brake (IDB) Electronic Control Unit (ECU). Reset is executed via Unified Diagnostics Services (UDS) over the Controller Area Network (CAN).

TEST-RESET_IDB

Model 3 / Y