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Redundant Control Unit CAN Communication

Gen3/tasks/PING-TP_RCU

What this task does

Tests communication with the Redundant Control Unit (RCU) 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
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)

This task has no listed user inputs.

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Service procedures

RCU Bleed Front Calipers

Pressurizes the Front brake circuits from RCU motor.

PROC_RCU_BLEED-CALIPER

Model 3 / Y
Self-tests

RCU Pedal Travel Sensor Read

Read RCU external pedal travel sensor values (EOL, raw, SENT)

TEST-SELF_RCU_READ-PEDAL-TRAVEL-SENSOR

Model 3 / Y
Self-tests

RCU Pressure Sensor Read

Read RCU pressure sensor values (EOL, raw, SENT)

TEST-SELF_RCU_READ-PRESSURE-SENSOR

Model 3 / Y
ECU resets

RCU UDS ECU Reset

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

TEST-RESET_RCU

Model 3 / Y