Tesla Model S: HV Battery Charge/Discharge - 4th Generation Tool (Out of Vehicle)
Tesla Model S (2012-2025) Service Manual / Battery System / HV Battery Charge/Discharge - 4th 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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Pull Onto Flatbed Truck From Front
(Using Tow Eye)
NOTE: If Model S has no low voltage power, you need an
external low voltage power supply to open the hood or
use the touchscreen. See If Vehicle Has No Power.
CAUTION: To avoid damage, only pull the vehicle
onto a flatbed truck using a properly-installed tow
eye. Using the chassis, frame, or
Unable to charge - Charge handle too hot
Check charge handle or charge port for debris
What this alert means:
Over temperature protection (latch off).
What to do:
Make sure the connector is fully inserted into the charge inlet in the
vehicle's charging port, is not covered by
anything, and there is no heat source nearby. If the issue per
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