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Service procedures 2026 firmware

Carbon Ceramic Brakes Configuration Update

Gen3/tasks/PROC_BRAKE_X_CARBON-BRAKES-CONFIG-UPDATE

What this task does

Updates the following GTW configurations brakeHwType->0x0A, epblHwType->0x07, and epbrHwType->0x07. Clears and relearns HW type on EPBL and EPBR. Triggers a service firmware redeploy.

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
Supported connection
Local connection
Vehicle state
Stationary · Parked
Gateway diagnostic level
No specific level listed

Procedure notes

Warning: Incorrectly setting the brake hardware type poses a risk of death, serious injury, and/or major property damage. Only use this routine to update the vehicle configuration to match the calibration requirements of appropriately installed brake hardware on the vehicle.

Task inputs (0)

No user inputs are listed in this firmware.

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Service procedures

Carbon Ceramic Brakes Uninstall - Configuration Reset

Updates the following GTW configurations brakeHwType->0x0B, epblHwType->0x06, and epbrHwType->0x06. Clears and relearns HW type on EPBL and EPBR. Triggers a service firmware redeploy.

PROC_BRAKE_X_CARBON-BRAKES-CONFIG-RESET

Model S / X (2021+)
Diagnostic tests

IBST Stiffness Test - Burnished/Unburnished

Measures the brake system stiffness. Select burnished or unburnished to determine the pass/fail threshold. Stiffness threshold is selected based on chassis and brake hardware type. Stiffness by wheel circuit is also measured, but not used for pass/fail.

TEST_BRAKE_X_STIFFNESS-TEST-SERVICE

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