Tesla Model S: HV Battery Charge/Discharge - 3rd Generation Tool (Out of Vehicle)
Tesla Model S (2012-2026) Service Manual / Battery System / HV Battery Charge/Discharge - 3rd Generation Tool (Out of Vehicle)
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Setup
Warning: Only technicians who have been trained in High
Voltage Awareness are permitted to perform this procedure. Proper
personal protective equipment (PPE) and insulating HV gloves with a
Starting/Discharging the System
Starting the System
Press the emergency stop button to disable HV systems.
Pull out the display/keyboard/trackpad tray.
Press the red power button to turn on the on-board PC.
Follo
Charging the Battery
Select Manual Mode from the Charge/Discharge Mode menu.
Type the desired SOC in the Target SOC% field, or drag the
Target SO
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If Vehicle Has No Power
If Model S has no low voltage power, perform the
following steps to open the hood or jump start the
auxiliary low voltage battery.
Jump Starting the Low Voltage Battery
CAUTION: Model S cannot be used to jump start
another vehicle. Doing so can result in damage.
NOTE: If jump starting Model S usi
Traction Control
How It Works
The traction control system constantly monitors the
speed of the front and rear wheels. If Model S
experiences a loss of traction, the system minimizes
wheel spin by controlling brake pressure and motor
power. By default, the traction control system is on.
Under normal conditions,
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