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Service procedures 2026 firmware

Drive Inverter Rear (DIR) - Restore Application Data After Replacement

Gen3/tasks/PROC_DIR_X_LEGACY-RESTORE-ENTRYPOINT

Model 3 / YModel S / X (2021+)

What this task does

Restores the Drive Inverter Rear (DIR) application data from the most recent backup on the car computer and configures the Usage ID after a DIR replacement. Run this routine only after a new compatible drive inverter is installed. After successfully completing, this procedure fails if run multiple times.

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
Supported connection
Local connection
Vehicle state
Stationary · Parked; Stationary · Neutral
Gateway diagnostic level
Service, DiagLinkActive, Factory

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; Stationary · Neutral
Gateway diagnostic level
Service, DiagLinkActive, Factory

Task inputs (0)

No user inputs are listed in this firmware.

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Self-tests

Accelerator Connection Test

Tests for power, connection, and communication of the acceleration pedal.

TEST-SELF_DIR_X_ACCEL-PEDAL

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

After Tire Rotation or Replacement - Tire Estimates Reset

Resets the learned tire estimates to prevent loss of regenerative braking. Clears the tire rotation alert after tire service. Optionally, specify the Winter (1) or Summer/All-Season (0) tire type for quicker learning.

PROC_DIR_CLEAR-LEARNT-TIRE-OFFSET

Model 3 / Y