Tesla Model S: Park Brake Caliper - Release - Harness Tool - Through ECU
Special Tools Required:
-
1030924-00-A EPB RELEASE TOOL, HARNESS
-
1030925-00-A ASY, RELEASE TOOL, EPB CONTROLLER REWORK
-
Chock the front wheels.
-
Remove the RH rear trunk trim
(refer to procedure).
-
Disconnect the harness from the top port of the
electric parking brake controller inside the vehicle. Connect this harness
to the gray male connector on the harness tool.
-
Connect the gray female connector on the harness tool
to the outboard port on the reworked EPB controller.
Note: The center
port on the reworked electric parking brake controller is
not used in this method.
Caution: Ensure that the external
12V power supply is turned off before continuing this procedure. The clamps
on the harness tool are not insulated.
-
Connect the positive and negative clamps on the harness
tool to the corresponding terminals on the external 12V power supply. Ensure
that the positive and negative clamps do not touch each other.
-
Turn on the 12V power supply.
Caution: After the next step, the
vehicle will be free-rolling. Ensure that the wheel chocks are secure.
-
Hold down the button on the harness tool that is
labeled "RELEASE" until the sound of the caliper motor is no longer audible.
This usually takes approximately 4 seconds.
Note: If the
calipers do not release, turn off the 12V power supply, then
turn it back on. Repeat step 7.
-
Turn off the 12V power supply.
-
Remove the positive and negative clamps from the 12V
power supply.
-
Disconnect the harness tool from the electric parking
brake controller inside the vehicle.
Caution: Do
not reconnect the vehicle's harness to the electric parking
brake controller inside the vehicle until the vehicle has
arrived at its destination. Reconnecting the harness might
cause the electric parking brake to re-engage.
READ NEXT:
Note: If the event of a
stuck caliper or motor failure, refer to one of these procedures to
release the caliper:
Rear Park Brake Caliper - Caliper Seized/Motor Failure - Release
Note: In the event of a
stuck caliper or motor failure, refer to one of these procedures to
release the caliper:
Rear Park Brake Caliper - Caliper Seized/Motor Failure - Release
Warning: Be sure to comply
with all local traffic safety laws and only perform such maneuvers in a
suitable location such as a nonresidential side street with little to no
traffic.
Caution:
SEE MORE:
When driving with Autosteer or Traffic-aware Cruise Control engaged, and
Traffic Light and Stop Sign Control
enabled, Model S is designed to respond as follows when approaching
intersections controlled by stop signs, stop
lines, or road markings:
No Traffic Control
Arm of T-junction
M
Removal
Open tailgate to suitable working height.
Carefully release speaker cover clips (x9) from tailgate.
Caution: Take care not to damage component(s).
Remove speaker covers and position aside.