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Communication checks 2026 firmware

Decoupled Pedal Brake CAN Communication

Gen3/tasks/PING-TP_DPB

Model 3 / Y

What this task does

Tests communication with the Decoupled Pedal Brake (DPB) 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.

Related service tasks

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Service procedures

Clear DPB DTCs

The procedure clears Diagnostic Trouble Codes (DTC) in the decoupled pedal brake (DPB) Electronic Control Unit (ECU).

PROC_DPB_X_CLEAR-DTCS

Model 3 / Y
Self-tests

DPB Air and Leakage Monitoring

ALWAYS RUN AFTER BLEED! Used to check for air or leakage in the DPB

TEST-SELF_DPB_LEAKAGE-AND-AIR-MONITORING

Model 3 / Y
Self-tests

DPB Air and Leakage selftest

This will test the DPB connection to the ESP as well as potential leakage air in the system

TEST-SELF_DPB_AIR-AND-LEAKAGE

Model 3 / Y