Service procedures
12V Reset
Power cycles all of the eFuses on the Vehicle Front Controller (VCFRONT) and shuts off Sleep Bypass.
PROC_VCFRONT_X_12V-RESET
Model 3 / Y
Front Vehicle Controller (VCFRONT) CAN Communication
Gen3/tasks/PING-TP_VCFRONT_ALL
What this task does
Tests communication with the front vehicle controller (VCFRONT) Electronic Control Unit (ECU). Communication is established via Unified Diagnostics Services (UDS) over the Controller Area Network (CAN).
Vehicle compatibility
Select your vehicle’s hardware to see task details, requirements, and inputs. Availability is confirmed after connection.
Model 3 / Y AMD
- Vehicle coverage
- 2024+ Model 3, 2025+ Model Y, Model Y
- 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)
This task has no listed user inputs.
Model 3 / Y Intel
- Vehicle coverage
- Model Y
- 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)
This task has no listed user inputs.
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Self-tests
Active Louver Self Test
Performs louver connection check. Will only move the louver through partial range of motion.
TEST-SELF_VCFRONT_X_ACTIVE-LOUVER
Model 3 / Y
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+)