Skip to content
Communication checks 2026 firmware

Drive Interface CAN Communication

Coriander/tasks/PING-TP_DI

Model S / X (2021+)

What this task does

Tests communication with the Drive Interface (DI) 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 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

Task inputs (0)

No user inputs are listed in this firmware.

Related service tasks

Browse all tasks →
Self-tests

Accelerator Connection Test

Tests the electrical connection between the accelerator and the Drive Interface (DI) Electronic Control Unit (ECU).

TEST-SELF_DI_X_ACCEL-PEDAL

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

Factory DI Odometer Initialization

Runs the factory Drive Inverter (DI) Odometer initialization routine.

PROC-DID_DI_VEHICLE-ODOMETER

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

Factory DI Odometer Value Check

Checks the odometer value and verifies that it is not too high for delivery.

TEST_DI_VEHICLE-ODOMETER-CHECK

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

Reset Tire Offset Estimates After Tire Rotation or Replacement

Reset learned tire radius and pressure estimates, which are important to maintain optimal regenerative braking performance. This task also clears the tire rotation alert after tire service. Optionally specify Winter (1) or Summer/All-Season (0) tires to improve tire offset learning.

PROC_DI_CLEAR-LEARNT-TIRE-OFFSET

Model S / X (2021+)