Tesla Model S: Module - Body Controller - BCM (Remove and Replace)
Warning: If the 12V power supply is disconnected, do
not attempt to open any doors with door glass in closed position.
Failure to follow this instruction could result in door glass
shatter.
Note: Before disconnecting the 12V power supply,
ensure that the driver's door window is fully open. Failure to
follow this instruction could result in vehicle lockout.
Removal
- Connect a laptop with Toolbox to the vehicle.
- In Toolbox, save the current hardware configuration:
- Select Views > Firmware and ECU Programming
> Firmware Reflash.
Note: Click the Question Mark icon for
additional information.
- Click the Save button.
- Move the passenger seat fully rearward for access.
- Disconnect 12V power.
- Rear wheel drive (RWD): Refer to
procedure.
- Dual Motor: Refer to procedure.
- Remove the RH center console closeout extension (refer to
procedure).
- Remove the passenger side dash footwell closing trim (refer to
procedure).
- Carefully peel back the carpet for access to the Body Control
Module (BCM) cover.
Caution: Take care not to damage component(s).
- Remove the bolts (x4) that secure the BCM cover to the mounting
bracket (torque 5 Nm).
- Remove the BCM cover.
- Carefully release the BCM from the mount. Disconnect the harness
connectors (x8) and the optical connector.
Caution: Protect disconnected optical connectors from
contamination and dirt ingress.
- Remove the BCM from the footwell.
Installation
Installation procedure is the reverse of removal, except for the
following:
- Perform the VIN learn procedure:
- Connect a laptop with Toolbox 1.7 or later to the vehicle.
- In Toolbox, select Views > Firmware and ECU
Programming > Body and Door Controller VIN Learn.
- Select BDY.
- Click the Start/Play button.
- Relearn all keys (refer to procedure).
- Use Toolbox to reset the immobilizer.
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Removal
Remove the active suspension ECU (refer to procedure).
Remove the RH center console closeout extension (refer to
procedure).
Remove the RH footwell cover (refer to procedu
Removal
Move both front seats to their rearmost positions.
Disconnect 12V power.
Rear wheel drive (RWD): Refer to
procedure.
Dual Motor: Refer to p
Removal
Ensure that the front road wheels are in the straight ahead
position.
Fully extend the column and centralize tilt.
Remove the steering wheel (refer to procedure).
Care
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Removal
Open the hood for access.
Remove the lower carpet from the underhood storage area.
Gently lift up on the hood seal and remove the push pins (x2)
that secure the hood latch cover to crossmember.
Removal
If the vehicle is equipped with 1st generation front fascia
applique, remove front fascia applique (refer to procedure) .
Remove ankle catcher foam, if equipped.
Disconnect motorized vent harness connector.