Tesla Model S: Module - Air Suspension - ECU (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
- Move the driver seat to its rearward most position.
- Disconnect 12V power.
- Rear wheel drive (RWD): Refer to
procedure.
- Dual Motor: Refer to procedure.
- Remove the center console assembly (refer to procedure).
- Carefully peel back the carpet for access.
Caution: Take care not to damage component(s).
- Remove the bolts (x3) that secure the air suspension mounting
bracket to the body (torque metal bracket 8 Nm; plastic bracket 2
Nm).
Note: The horizontal bolt might be obscured by an
acoustic pad. If it is, carefully move the acoustic pad
aside for access.
- Gently lift up on the bracket and disconnect the harnesses
connectors (x2) at the rear of the ECU.
- Carefully remove the ECU and bracket assembly from the dash
assembly.
- Release the bolts (x3) that secure the bracket to the ECU.
Remove the ECU from the bracket
Installation
Installation procedure is the reverse of removal, except for the
following:
- Run the Toolbox "Air Suspension Variant Coding" procedure.
-
Use Toolbox to update or redeploy the firmware:
- If the vehicle is not running the latest firmware,
run the "Vehicle Firmware Update" procedure.
- If the vehicle is running the latest firmware, run
the "Firmware Redeploy" procedure.
- Perform a ride height calibration (refer to procedure).
READ NEXT:
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
shat
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
shat
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
shat
SEE MORE:
Removal
Use the touchscreen to set the wipers to Service Mode.
Press one wiper arm clip and release the blade.
Remove the wiper blade from the wiper arm.
Place a cloth under the end of the wiper arm.
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,