Self-tests
BLE Endpoint Communication Check
Checks the communication of Bluetooth Low Energy (BLE) endpoints.
TEST-SELF_VCSEC_X_ENDPOINT-COMM
Model 3 / Y
Model S / X (2021+)
ECU resets
2026 firmware
VCSEC UDS ECU Reset
Gen3/tasks/TEST-RESET_VCSEC
What this task does
Resets the Vehicle Security (VCSEC) Electronic Control Unit (ECU). Reset is executed 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 3 / Y AMD · Firmware 2026.32.3
- Vehicle coverage
- 2024+ Model 3, 2025+ Model Y, Model Y, Pre-2024 Model 3
- Supported connection
- Local connection
- Vehicle state
- Stationary · Drive; Stationary · Neutral; Stationary · Parked; Stationary · Reverse
- Gateway diagnostic level
- Service, Factory, DiagLinkActive
Task inputs (0)
No user inputs are listed in this firmware.
Model 3 / Y Intel · Firmware 2026.32.7
- Vehicle coverage
- Model Y, Pre-2024 Model 3
- Supported connection
- Local connection
- Vehicle state
- Stationary · Drive; Stationary · Neutral; Stationary · Parked; Stationary · Reverse
- Gateway diagnostic level
- Service, Factory, DiagLinkActive
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 · Drive; Stationary · Neutral; Stationary · Parked; Stationary · Reverse
- Gateway diagnostic level
- Service, Factory, DiagLinkActive
Description in this firmware
The test resets the Vehicle Security (VCSEC) ECU via UDS.
Task inputs (0)
No user inputs are listed in this firmware.
Related service tasks
Browse all tasks →
Service procedures
Erase TPMS Sensor ID and Enable Factory Autolearn
Erases the Tire Pressure Monitoring System (TPMS) Sensor ID and enables Factory Autolearn.
PROC_VCSEC_X_TPMS-ERASE-AND-AUTOLEARN
Model 3 / Y
Model S / X (2021+)
Service procedures
NFC Reader Amplitude Test
The procedure tests the amplitude of the Near Field Communication (NFC) reader in the B-pillar controlled by the Security Controller (VCSEC).
PROC_VCSEC_DRV_BPILLAR-NFC-AMPLITUDE
Model 3 / Y
Model S / X (2021+)
Diagnostic tests
Show all public keys on whitelist
The test displays all public keys on the whitelist of the Security Controller (VCSEC) and optionally shows permissions.
TEST_VCSEC_X_DISPLAY-KEY-WHITELIST
Model 3 / Y
Model S / X (2021+)