Skip to content
Self-tests 2026 firmware

HV Pack Hot Seal Test Start

Coriander/tasks/TEST-SELF_VCFRONT_X_THERMAL-HV-PACK-HOT-SEAL-START

Model S / X (2021+)

What this task does

Starts the HV Pack Hot Seal Test Routine. The routine will run for up to 50 minutes

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 (0)

No user inputs are listed in this firmware.

Related service tasks

Browse all tasks →
Service procedures

Allow High Beam Enablement in Factory Mode

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

PROC_VCFRONT_X_ALLOW-HIGH-BEAMS-FACTORY

Model S / X (2021+)
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).

TEST-SELF_VCFRONT_X_COOLANT-PUMP-BATTERY

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+)