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Service procedures 2026 firmware

Set Coolant Pumps Pole Pair Count

Coriander/tasks/PROC_VCFRONT_X_SET-COOLANT-PUMPS-POLE-PAIR-COUNT

Model S / X (2021+)

What this task does

Set the pole pair count for the coolant pumps.

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 · Drive; Stationary · Neutral; Stationary · Parked; Stationary · Reverse
Gateway diagnostic level
No specific level listed

Task inputs (2)

Chiller_pump

Chiller_pump · Int

Firmware default: 3

Powertrain_pump

Powertrain_pump · Int

Firmware default: 3

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Allows high beams to be enabled in Factory Mode until the Front Vehicle Controller (VCFRONT) ECU is power cycled.

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Self-tests

Ambient Sensor Test

Tests for power, connection, and communication of the ambient sensor controlled by the Front Vehicle Controller (VCFRONT).

TEST-SELF_VCFRONT_X_AMBIENT-TEMP

Model 3 / Y Model S / X (2021+)
Self-tests

Battery Coolant Pump Test

Tests for power, connection, and communication of the battery coolant pump controlled by the Front Vehicle Controller (VCFRONT).

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

Boot Status

Check boot status of the VCFRONT

PROC_VCFRONT_X_BOOT-STATUS

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