Service procedures
12V Reset
Power cycles all of the eFuses on the VCFRONT and VCBATT and shuts off Sleep Bypass.
PROC_VCBATT1_X_12V-RESET
Model 3 / Y
LVBMS Reconnect LV Battery
Gen3/tasks/PROC_VCBATT1_X_RECONNECT-LV-BATTERY
What this task does
Reconnects the Low Voltage Battery MOSFET on Model 3 and Y platforms.
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
- Gateway diagnostic level
- No specific level listed
Procedure notes
NOTE! Disconnect any external LV support device, then click Run when ready. Vehicle must be supporting its own LV system prior to running the reconnect routine.
Task inputs (0)
This task has no listed user inputs.
Related service tasks
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Service procedures
Disable Factory Low Voltage Protection Self Tests
Disable running of Low Voltage Protection Self Tests in the factory.
PROC_VCBATT1_X_DISABLE-FACTORY-LV-PROTECTION-SELF-TESTS
Model 3 / Y
Service procedures
Enable Factory Low Voltage Protection Self Tests
Enable running of Low Voltage Protection Self Tests in the factory.
PROC_VCBATT1_X_ENABLE-FACTORY-LV-PROTECTION-SELF-TESTS
Model 3 / Y
Communication checks
Front Vehicle Controller (VCBATT) CAN Communication
Tests communication with the front vehicle controller (VCBATT1) Electronic Control Unit (ECU). Communication is established via Unified Diagnostics Services (UDS) over the Controller Area Network (CAN).
PING-TP_VCBATT1
Model 3 / Y