My PCS Failure Estimated Fix is July 13

[BeauregardQ]

I brought my cyberbeast (VIN 26XXX) in last Monday (4/20). Had the PCS error a week prior (4/13) made the appointment charging at 24a for two days after initial error then no charging at all. The service center said they ordered the PCS unit on the 4/13 when I made the appointment. After dropping my truck of on the 4/20 they kept it for 5 days waiting to see what to do and then messaged me that they won't get any PCS units for 8-10 weeks. They made an appointment for July 13 to repair the PCS. I had recall notices so they are fixing those(sail, half shaft bolts, etc) now but I think they are going to want me to get my truck back on Tuesday 4/28 when those repairs will be complete and use super charging(not convenient during work week that long of a time, and I also am taking trips where that won't be possible).

I currently have a loaner cybertruck. Do I refuse to pick it up and keep the loaner for 2.5 months? Also the service center doesnt have super chargers and my battery is almost dead at 4%. They don't work today but it must be in mid repair as the frunk and all doors are open. I think by the time they get in tomorrow the battery will be at 0 or 1% what do they do about that?

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[Mini2nut]

July 13th is crazy. PCS failure is the #1 topic on this forum right now.

This might also explain the low CT production numbers at the TX assembly plant right now.

 

[Cayden Thompson]

July 13th is crazy. PCS failure is the #1 topic on this forum right now.

This might also explain the low CT production numbers at the TX assembly plant right now.

That's what I'm thinking. They should issue a formal recall.

 

[UberNoob]

I’m vin 29x and havnt gotten no half shaft bolt recall, I feel left out. I do have an PCS issue June 10 is my day. I do not get the free supercharging yet, maybe I make another ticket, will see after my tailgate actuator issue preventing FSD. They will be very mad and possibility charge you fees if you keep that loaner. Prolly not a good idea to upset the service people.

 

[BeauregardQ]

Do they have low power high voltage DC charger units at the service center? I would buy one but I don’t see any that are commercially sold. I am wondering how they are going to deal with it tomorrow when it will be completely dead.

 

[MyOtherTruck]

Yah I don’t know what to do. I’m in vermont and charging at super chargers isn’t really an option.

 

[Gigahorse]

I brought my cyberbeast (VIN 26XXX) in last Monday (4/20). Had the PCS error a week prior (4/13) made the appointment charging at 24a for two days after initial error then no charging at all. The service center said they ordered the PCS unit on the 4/13 when I made the appointment. After dropping my truck of on the 4/20 they kept it for 5 days waiting to see what to do and then messaged me that they won't get any PCS units for 8-10 weeks. They made an appointment for July 13 to repair the PCS. I had recall notices so they are fixing those(sail, half shaft bolts, etc) now but I think they are going to want me to get my truck back on Tuesday 4/28 when those repairs will be complete and use super charging(not convenient during work week that long of a time, and I also am taking trips where that won't be possible). I currently have a loaner cybertruck. Do I refuse to pick it up and keep the loaner for 2.5 months? Also the service center doesnt have super chargers and my battery is almost dead at 4%. They don't work today but it must be in mid repair as the frunk and all doors are open. I think by the time they get in tomorrow the battery will be at 0 or 1% what do they do about that?

Keep the loaner until the PCS on it goes out, then take your truck back and supercharge as needed until the part comes in after a couple of months.

 

[BeauregardQ]

As I expected the battery is at 0% this morning. How bad is this for the truck? Will they have to tow it to a supercharger or do they have service HVDC chargers?

 

[Coagulation]

So you’ll be at zero percent for months?

 

[UberNoob]

As I expected the battery is at 0% this morning. How bad is this for the truck? Will they have to tow it to a supercharger or do they have service HVDC chargers?

Tallahassee has 4 supercharger stalls onsite behind the building, not sure where yours is. But newer service centers are being built with them. I once was able to sneak in and use it while they was building the building, it’s labeled as service on the truck screen and zero fee. It doesn’t come up in the SC map they have them blocked off with loaners in the way.

 

[Gigahorse]

As I expected the battery is at 0% this morning. How bad is this for the truck? Will they have to tow it to a supercharger or do they have service HVDC chargers?

They can charge it as they have supercharging capabilities at service centers
The downside is it is bad for the battery.....
Especially if it sits like that for a couple of months.

If you have an X or Instagram account with 100k+ followers if you post that it will likely get taken care of and PCS swapped right away, if not you can try calling the service center, but will likely have to drive down there and talk to the service manager.

 

[rsilvers]

"That's what I'm thinking. They should issue a formal recall. "

Give that they are backed up until July as it is, I am not sure it is the best option to replace units that have not failed before replacing the ones that have.

 

[mongo]

"That's what I'm thinking. They should issue a formal recall. "

Give that they are backed up until July as it is, I am not sure it is the best option to replace units that have not failed before replacing the ones that have.

Nor would they, even if there was a recall.
Recall gets issues regulatory non-conformance or safety defect is found (PCS is neither under NHTSA standards). Owners get alerted after that. Once a fix is created, manufacturer informs impacted vehicles when they can get it.

 

[FDNY278]

Yes , it pops up on screen when phone is left in car and as you walk away from vehicle car beeps and doors do not lock. It’s a feature that was updated a few months ago. Great feature,

 

[LDRHAWKE]

What Tesla Says Happens at 0% and Why It’s a Problem
• “Never allow the Battery to fully discharge. … Discharging the Battery to 0% may result in damage to vehicle components.” tesla.com
• “If you allow the Battery to discharge to 0%, other components may become damaged or require replacement (for example, the low voltage battery). In these cases, you are responsible for repair and/or transporting expenses. Discharge-related expenses are not covered by the warranty or under the Roadside Assistance policy.” tesla.com
• When the displayed charge hits ~0%, the truck enters low-power consumption mode. In this mode, the HV battery stops supporting the onboard electronics and the 48V low-voltage battery. The low-voltage system then drains on its own. tesla.com
• “If Cybertruck is unresponsive and does not unlock, open, or charge, the low voltage battery may be discharged… If you leave it unplugged for an extended period, it may not be possible to charge or use Cybertruck without jump starting or replacing the low voltage battery. Leaving Cybertruck unplugged for an extended period can also result in permanent Battery damage.” tesla.com
Specific Damage You Can Expect After a Couple of Months
1. Low-voltage (48V) battery damage (most likely and most immediate issue)
This is the auxiliary battery that powers the computers, doors, touchscreen, etc. Once the HV battery hits 0% and stops charging it, the 48V battery will fully deplete. Left dead for weeks/months, it can fail permanently (sulfation or cell damage even in modern lithium 48V packs). Tesla states this damage is not covered by warranty if caused by running the HV battery to zero. tesla.com
2. High-voltage (main traction) battery
Tesla explicitly says prolonged unplugged time at 0% “can also result in permanent Battery damage.” Lithium-ion cells (Cybertruck uses 4680 cells) don’t like sitting at absolute bottom voltage for months—risk of copper dissolution, SEI layer degradation, or capacity loss. The BMS tries to protect it, but the manual still warns of permanent damage. tesla.com
3. Other vehicle electronics
Possible issues with the 48V system, contactors, or other components that rely on stable voltage. The truck may become “bricked” (unresponsive) until the low-voltage battery is jump-started and the HV battery is charged.
What Tesla Recommends Instead (for Context)
• For any storage longer than a couple of weeks: Leave it at ~50% charge and plugged in if possible. The car will manage itself and keep the low-voltage battery healthy. tesla.com tesla.com
• Normal vampire drain when parked is ~1% per day (varies with temperature, settings, etc.), but at true 0% the protections kick in—yet the manual still says don’t do it.
Practical Advice for Your Situation
• The dealer has the vehicle, so document everything in writing (email/text) right now: note the date it was dropped off, that it’s already at 0%, that parts are delayed for months, and ask them to confirm they are maintaining proper battery storage/charge. This protects you if damage occurs on their watch.
• When you (or they) finally address it, expect it will likely need a low-voltage battery jump-start or replacement before the main battery can even accept a charge. Then a slow, careful charge.
• If the original service issue is unrelated to the battery, this storage damage is separate and could add repair costs/time (and per the manual, some of it may not be warranty-covered).
Tesla designed the system to avoid catastrophic failure, but the manual is blunt for a reason: months at 0% is outside normal operation and can cause real, non-reversible harm—especially to the low-voltage system. Push the dealer/service center hard on this; they should not be leaving it like that.

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