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  • The final cut of TMC Podcast #34 is available now with topics timestamped. We covered Tesla's rollercoaster prices, Toyota pushing junk science, Mike's new Model 3, Optimizing track mode for snow driving, FSD V11 apparently coming by the end of this week, and more. You can watch and check out the chat replay on YouTube.

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  1. AlphaTango11

    Failed Model 3 HV Battery - Out of Warranty - DIY

    Not particularly. The car was never a salvage title and honestly I'd say it's just as safe to work on as any other Model 3. Regardless, they could easily (and maybe do) track this battery replacement as having been done outside of a service center, but disabling cars for such a repair would be...
  2. AlphaTango11

    Failed Model 3 HV Battery - Out of Warranty - DIY

    The only thing needed was a software update (or reinstall) to match the BMS and PCS firmware with the rest of the car. I am not sure what would be necessary in alternative scenarios like using the original high voltage controller or PCS, but I think it would mostly be the same, a firmware...
  3. AlphaTango11

    Failed Model 3 HV Battery - Out of Warranty - DIY

    Sorry, I just saw this. It leads to the DC charging busbars. It is easily removable.
  4. AlphaTango11

    Failed Model 3 HV Battery - Out of Warranty - DIY

    So far it's doing great. I plan to provide a more in-depth update after a longer period (probably after a year) but essentially: Driven 7,500+ miles, multiple road trips (probably 10-15 supercharging stops total), reaches 250kW and tapers like normal, rated range fluctuates around 303 miles...
  5. AlphaTango11

    Vendor Preventative Maintenance regarding Battery Failures in early Model S vehicles (2012-2014)

    As usual, thank you for being such an informative and contributory resource about these packs. My P85D (660XX) was made in late December and the AC condensation line definitely dumps directly onto the pack fuse cover (genius ideas all around, it seems). It sounds to me like the umbrella valves...
  6. AlphaTango11

    Failed Model 3 HV Battery - Out of Warranty - DIY

    Tesla changed the warranty for vehicles 5 years ago. See Vehicle Warranty Older vehicles have the 8 year warranty you mention.
  7. AlphaTango11

    Failed Model 3 HV Battery - Out of Warranty - DIY

    Once the lid was sealed and installed, I was able to start putting the penthouse components back in. Honestly, the penthouse is a beautiful work of engineering. The only thing that scares me about it are the PCS coolant lines, because a leak from those would probably be a bad time, but they are...
  8. AlphaTango11

    Failed Model 3 HV Battery - Out of Warranty - DIY

    Wanted to provide an update since it's been over a month and some progress has been made. The pack I bought had damage to a coolant port at the front that would require lid removal to repair, and some heavy scratches and dents to the bottom of the pack casing. Not sure how much of it was from...
  9. AlphaTango11

    Failed Model 3 HV Battery - Out of Warranty - DIY

    The four modules are in series, as are the 23 or 25 bricks that make up the modules. The 46 cells in each brick are in parallel.
  10. AlphaTango11

    Failed Model 3 HV Battery - Out of Warranty - DIY

    No, but I honestly don't expect to get much from that. Maybe $2-3k. Car was $23k, battery was $9k, shipping and taxes added up to $3k. Best-case is probably $32k and many, many hours of learning. :) This is not a solution, unfortunately, as explained above by @wk057 - anything short of entire...
  11. AlphaTango11

    Failed Model 3 HV Battery - Out of Warranty - DIY

    Just wanted to give a quick update on this. @wk057's company had a battery that was cheaper than Tesla, but I ultimately went with a LRRWD pack I found on eBay for $9,000. Using dimensions from the old pack and some wood, we made a battery stand that raises the pack above the wheel wells of our...
  12. AlphaTango11

    BMS_w035 alert popped yesterday and this morning

    I recently got those, too. They are HV isolation errors. It could be your battery heater going bad, especially if it was in the cold and the heater was on, otherwise it is likely to be an issue with your drive unit (either connector or internal). Either way, the car thinks that HV might be able...
  13. AlphaTango11

    Failed Model 3 HV Battery - Out of Warranty - DIY

    This would be great, especially as more and more Model 3 and Y have battery issues out of warranty in the next few years. Rich/EG, Gruber, and even Elon's tweets have led people to think that module replacement or repairs are viable alternatives to a pack replacement, when it really doesn't seem...
  14. AlphaTango11

    2021+ Model S and Model S Plaid Refresh Issues Thread

    Yeah, so that basically confirms the wiring harness issue. It would also apply to RCM2_a064, as that is just like your error (open circuit), just for the stage 1 squib instead of stage 2. A little dangerous, since the airbag might not go off unless stage 2 is activated. "Electrical stability...
  15. AlphaTango11

    2021+ Model S and Model S Plaid Refresh Issues Thread

    @MAHahh @SailorDave Not sure if this applies to Plaids, but for older S/X, this alert has the text "RCM2_a070_passABStg2Open" which I interpret as Passenger Airbag Stage 2 Open. Note that this is only if your alert is specifically a070, which you will only know from tapping on the alert icon or...
  16. AlphaTango11

    "charge limit"

    Sometimes the BMS doesn't have a completely accurate prediction of the energy in the pack. Usually your indicated range is based off of the predicted pack energy remaining divided by an internal rated Wh/mi range factor. The prediction could be off for a few reasons, but the few miles of...
  17. AlphaTango11

    Failed Model 3 HV Battery - Out of Warranty - DIY

    Yeah, not sure what happened, but I only have the initial default response. No worries though! At this point all I'd need to know anyway is if you have any packs you'd be willing to sell (which we could discuss privately if so). Right. That makes sense. I'm using a FLIR One Pro and there's...
  18. AlphaTango11

    Failed Model 3 HV Battery - Out of Warranty - DIY

    I am currently facing an interesting problem that I thought might be worth sharing with the community. A few weeks ago, I bought a clean title Model 3 LRRWD with FSD and 143k miles for $23k. The main catch was a HV battery with significant imbalance (one brick was 3.50V with all others at...
  19. AlphaTango11

    Supercharger - Newnan GA

    My friend stopped by but he didn’t have a Tesla. It looks like at least the Superchargers are functional now, but I cannot confirm for sure.
  20. AlphaTango11

    Firmware Image Request - APE HW2.0

    Hi there, I realize that this is a bit of a longshot, but I am in need of either a recent (2020.32-now) ape firmware image or a way to manually install a regular cid firmware image without an ape image on an AP2 MCU1 vehicle. If there is anyone on here that would be able to contribute, that...
  21. AlphaTango11

    Firmware Image Request - APE HW2.0

    Hi there, I realize that this is a bit of a longshot, but I am in need of either a recent (2020.32-now) ape firmware image or a way to manually install a regular cid firmware image without an ape image on an AP2 MCU1 vehicle. If there is anyone on here that would be able to contribute, that...
  22. AlphaTango11

    2015 Model S 90D Problems. Any others similar experience?

    Yes, that is almost certainly an isolation fault related to the battery heater. You can't really see the values but the resistance is constantly monitored in the background and typically as the heater fails it causes this value to throw a code. It would be ideal for you to wear some HV gloves...
  23. AlphaTango11

    Bizarre Tesla App issue

    Do the unlock and keyless driving features work? Typically this is just an account/app issue that requires service to refresh the remote key. It can be done remotely, so I'd suggest putting in a service request through the app.
  24. AlphaTango11

    Front License Plate Removal - Paint Damage!

    Hi all, I was taking the front license plate off of my 2016.5 Model S and was just curious if anyone else had this happen to them. Pictures below. The screws were easy to get, and the border adhesive came off just fine even when cold. But there are two dots of what seem to be almost epoxy in...
  25. AlphaTango11

    2014 P85 Gets a 2017 facelift using OEM parts

    Very nice. Any issues with water intrusion? Do you have a list of the parts you used?
  26. AlphaTango11

    Vendor Instructions for facelift bumper/fascia installation on nosecone Model S

    Hi, I have a P85D that I am hoping to do an OEM bumper + hood refresh on. I feel mostly confident about the bumper portion, but I have always seen some custom work to make the new hood work well. My main concern is with water intrusion (my car has already had a fun history of that). I am...
  27. AlphaTango11

    2014 P85 Gets a 2017 facelift using OEM parts

    I am definitely interested in this. My primary concern is with frunk sealing. I wonder how much easier/harder it is for the D frunks with single latches to seal correctly. Yes, that would probably be easier. I have not done the cost calculations fully but I suspect the OEM hood + bumper will...
  28. AlphaTango11

    2014 P85 Gets a 2017 facelift using OEM parts

    Hi everyone, I have a P85D that I am hoping to do an OEM bumper + hood refresh on. I have a few quick questions that hopefully a few of you will be able to answer. My frunk is a single latch, does the new hood require changing the latch in order to work properly? Maybe the striker can be...
  29. AlphaTango11

    2014 P85D - Flood Salvage Questions

    Thanks, Greg! We're pretty lucky that the seller was so honest and helpful the vehicle. ;) By the way, there aren't any errors now and the car is amazing. I had forgotten that the nosecone has parking sensors, so if that's not attached and plugged in, obviously you'll have an error. :)
  30. AlphaTango11

    2014 P85D - Flood Salvage Questions

    Hi everyone, just wanted to provide a final update. My father and I cleaned out the HV plug port and reconnected the battery. The car now shifts into drive and charges. The only remaining error is "Park Assist Unavailable" but I am hoping that will go away when driven. I still plan on opening...
  31. AlphaTango11

    Salvage Car Owners Support Group.

    Hi everyone, just wanted to provide a final update. My father and I cleaned out the HV plug port and reconnected the battery. The car now shifts into drive and charges. The only remaining error is "Park Assist Unavailable" but I am hoping that will go away when driven. I still plan on opening...
  32. AlphaTango11

    2014 P85D - Flood Salvage Questions

    Removed the battery pack from the vehicle today. HV connectors were full of water. There was no voltage here, so I'm assuming the contactors are open. When measuring voltage at the main pack fuse at the front of the battery, the voltage fluctuates between 50-80 volts. Not a good sign at all...
  33. AlphaTango11

    Salvage Car Owners Support Group.

    Removed the battery pack from the vehicle today. HV connectors were full of water. There was no voltage here, so I'm assuming the contactors are open. When measuring voltage at the main pack fuse at the front of the battery, the voltage fluctuates between 50-80 volts. Not a good sign at all...
  34. AlphaTango11

    Salvage Car Owners Support Group.

    Agreed, that didn't make much sense to me either. Currently, I have it ready to be lifted but the air suspension has leaked down all the way and the compressor is not running to refill it. I didn't have any jacks low enough to fit under the car, but hopefully tomorrow or the next day I will. I...
  35. AlphaTango11

    Salvage Car Owners Support Group.

    Hi everyone, I recently purchased a salvage title December 2014 P85D linked here, with a somewhat interesting situation. About a month ago, the original owner drove through a "6-8" puddle" and the car displayed a few error messages: "Immediate Service", "12 volt battery”, Car may not start”. He...
  36. AlphaTango11

    2014 P85D - Flood Salvage Questions

    Hey everyone, just providing a quick update. Jumped car with 12V to get door handles to deploy. Hear some clicking, I'm assuming it's the contactors? Mutliple errors about "Car needs service" but not really any specific mentions. Car obviously unable to start. After a few minutes I smelled a...
  37. AlphaTango11

    2014 P85D - Flood Salvage Questions

    Hi everyone, I recently purchased a salvage title December 2014 P85D linked here, with a somewhat interesting situation. About a month ago, the original owner drove through a "6-8" puddle" and the car displayed a few error messages: "Immediate Service", "12 volt battery”, Car may not start”. He...

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