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Yes sir!! That's absolutely right the contactors are open! But again, in my limited knowledge... I would have to start at step one, before I go to step six(just for an example).You’ve got ‘fast charge contractors open’ in the first image - now is it the missing pilot signal or another fault preventing them from closing?
Now think to yourself... what is the ONKy thing that physically changes between wall charging and supercharger?
CP is used as a digital communication path between thecharging system and vehicle. The control pilot uses pulsewidth modulation to communicate charging state and currentin accordance with Annex A of IEC 61851-1. Power LineCommunication is superimposed onto the control pilot linewhile DC charging.
This is excellent! Thanks so much for the explanation!The communication protocol for AC charging, Supercharger DC fast charging, and CCS DC fast charging are all different. I believe what the "Pilot" indicator in service mode is showing is a different protocol for each.
Here's some info:
An Introduction to the SAE J1772 and CCS EV Charging Interfaces
Here’s a field guide to the SAE J1772 EV charging interface, and its dc-capable relative, the Combined Charging System (CCS).www.electronicdesign.com
https://www.tesla.com/support/charging/product-guides#NACS-resources (might not be useful but I did find an interesting tidbit quoted below)
This has me suspicious that the DC charging communications part of your charge port ECU is broken (but the J1772 AC bits are fine). Could be as easy as an ECU replacement.
Since AC and DC charging use all the same pins (in NACS cars at least) it seems unlikely that the inlet itself has an electrical fault (but that's just speculation, don't trust me on that)
I did the complete tear down of the car prior to going to the appointment. When I got there, I let them know it was done... and I was more than happy to unplug the 3 connectors, remove the 10mm bolt that holds it in place, and redownload software.Just curious, were you able to convince Tesla to give you a free ECU and do the repair yourself like you wanted?