Self-tests
2nd and 3rd Row Seat Fold Flat Switch Connection Test
Tests electrical connection of the 2nd row and 3rd row seat fold flat switchpack.
TEST-SELF_VCLEFT_X_2R-3R-SEAT-DUMP-SWITCH
Model 3 / Y
Communication checks
2026 firmware
Left Vehicle Controller (VCLEFT) CAN Communication
Gen3/tasks/PING-TP_VCLEFT
What this task does
Tests communication with the left vehicle controller (VCLEFT) Electronic Control Unit (ECU). Communication is established 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 · Parked; Stationary · Neutral
- Gateway diagnostic level
- No specific level listed
Procedure notes
When communication is established, the test will succeed. If the test fails, inspect wiring and ensure ECU is powered.
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 · Parked; Stationary · Neutral
- Gateway diagnostic level
- No specific level listed
Procedure notes
When communication is established, the test will succeed. If the test fails, inspect wiring and ensure ECU is powered.
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
- No specific level listed
Procedure notes
When communication is established, the test will succeed. If the test fails, inspect wiring and ensure ECU is powered.
Task inputs (0)
No user inputs are listed in this firmware.
Related service tasks
Browse all tasks →
Self-tests
2R Connections to VCLEFT
Tests the connection between VCLEFT and the different rear left seat endpoints.
TEST-SELF_VCLEFT_REAR_SEAT
Model 3 / Y
Self-tests
2R Left Recline and Center Armrest Console Self-Test
Tests the second row (2R) left recline and center armrest console switches, motors, and sensors by measuring current draw, performing endpoint tests, and detecting communication with the Local Interconnect Network (LIN) bus.
TEST-SELF_VCLEFT_2R_P2-MS-RECLINE-ARMREST-CONSOLE
Model S / X (2021+)
Self-tests
Airwave - First Row Left Self-Test
Tests the functionality and connectivity of the first row left airwave actuators to the left vehicle controller (VCLEFT) ECU.
TEST-SELF_VCLEFT_X_AIRWAVE-FIRST-ROW-LEFT
Model S / X (2021+)