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pub:projects:tesla [2026/08/24 10:26] – [Park brake motor] adminpub:projects:tesla [2026/08/24 10:27] (current) – [Park brake motor] admin
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   * Verify if the parking brake pads are stuck or are still be able to move.   * Verify if the parking brake pads are stuck or are still be able to move.
   * Verify if the park brake caliper motor (can be found on Ebay or Amazon) with search terms like PARKING BRAKE CALIPER MOTOR for Tesla Model S X 2012-2021 1621620888C 40C07812 shows signs of wear, corrosion. This applies especially to the visible gears. The motor can be easily removed with three TORX T-25 bolts. Please take care of the rubber O-ring seal and the recess at both the motor itself and the brake caliper, which must be thoroughly cleaned to prevent water ingress. There are [[https://www.youtube.com/watch?v=7Nwb4v55B-I|numerous]] [[https://www.youtube.com/watch?v=LTW1q6BO-6M|videos]] on [[https://www.youtube.com/watch?v=n4jQtndEBH0|youtube]] showing this process.   * Verify if the park brake caliper motor (can be found on Ebay or Amazon) with search terms like PARKING BRAKE CALIPER MOTOR for Tesla Model S X 2012-2021 1621620888C 40C07812 shows signs of wear, corrosion. This applies especially to the visible gears. The motor can be easily removed with three TORX T-25 bolts. Please take care of the rubber O-ring seal and the recess at both the motor itself and the brake caliper, which must be thoroughly cleaned to prevent water ingress. There are [[https://www.youtube.com/watch?v=7Nwb4v55B-I|numerous]] [[https://www.youtube.com/watch?v=LTW1q6BO-6M|videos]] on [[https://www.youtube.com/watch?v=n4jQtndEBH0|youtube]] showing this process.
-  * Replace the Park brake Controller ECU (TPN: 1007618-00-D) which is mounted in the trunk, at the rear on the right side, behind the fabric, as shown with the [[https://youtu.be/82LicdskF24?t=736|following video (beginning at 12:16)]], following the official [[https://service.tesla.com/docs/ModelS/ServiceManual/en-us/GUID-4F9C481D-1296-4031-A557-E301900D2F5D.html|procedure from the Tesla service manual]]. The replacement module was a revision E (TPN: 1007618-00-E) which seems to improve the frequency of the errors being shown. After replacement perform an update of the vehicle firmware via the [[https://service.tesla.com/docs/ModelS/ServiceManual/en-us/GUID-63AD8FEC-5F5E-4DD1-A90C-AAD05CA20BCC.html|service menu]].+  * Replace the Park brake Controller ECU (TPN: 1007618-00-D) which is mounted in the trunk, at the rear on the right side, behind the fabric, as shown with the [[https://youtu.be/82LicdskF24?t=736|following video (beginning at 12:16)]], following the official [[https://service.tesla.com/docs/ModelS/ServiceManual/en-us/GUID-4F9C481D-1296-4031-A557-E301900D2F5D.html|procedure from the Tesla service manual]]. The replacement module was a revision E (TPN: 1007618-00-E) which seems to reduce the frequency of the errors being shown. After replacement perform an update of the vehicle firmware via the [[https://service.tesla.com/docs/ModelS/ServiceManual/en-us/GUID-63AD8FEC-5F5E-4DD1-A90C-AAD05CA20BCC.html|service menu]].
   * Verify the cabling between the park brake caliper motor and the Park brake Controller. (Refer to [[https://teslamotorsclub.com/tmc/threads/electric-parking-brake-wiring.108943/#post-2840226|Tesla Service Manual wiring diagrams]]   * Verify the cabling between the park brake caliper motor and the Park brake Controller. (Refer to [[https://teslamotorsclub.com/tmc/threads/electric-parking-brake-wiring.108943/#post-2840226|Tesla Service Manual wiring diagrams]]
   * Measure current through the motor. When there is no load on the motor, it will draw a current of about 1.2A @ 12.0V.   * Measure current through the motor. When there is no load on the motor, it will draw a current of about 1.2A @ 12.0V.
pub/projects/tesla.txt · Last modified: by admin