Tesla Model 3: Harness - HV Battery to Rear Drive Unit (Remove and Replace)
Tesla Model 3 2017-2024 Service Manual / High Voltage System / HV Harnesses / Harness - HV Battery to Rear Drive Unit (Remove and Replace)
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Harness - HV Battery to Rear Drive Unit - Remove
SPECIAL TOOLS
Lever Lock, HV Connector, Model 3 (1140311-00-A)
Remove
Remove the rear subframe as
Harness - HV Battery to Rear Drive Unit - Install
Install
Fully raise the handle on the rear drive unit HV
electrical harness.
External Charging Connectors
Mobile Connector
Firmware Update - CHAdeMO Charging Adapter
CAN Setup
Connect the USB-CAN dongle to a laptop that is equipped with Toolbox
Connect the CHAdeMO CAN programming connector to the USB-CAN
SEE MORE:
Flood Ports - 2nd Generation (Remove and Replace) - Remove
Remove
Connect a laptop with Toolbox 3 to the vehicle.
In Toolbox, click in the Search field, and then click Tools.
From the Tools menu, click Active Alerts.
Click Read Alerts and check for a BMS_a123, BMS_a151, or a BMS_a035
alert
If:
Any of the alerts are present - Investigate and cor
Service Intervals
Your vehicle should generally be serviced on
an as-needed basis. However, Tesla
recommends the following maintenance items
and intervals, as applicable to your vehicle, to
ensure continued reliability and efficiency of
your Model 3.
Brake fluid health check every 2 years
(replace if neces
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