Seeing as most batteries have lasted 8-10 years nearly all of the failures are user error. Either ran down to 0, failed charging equipment or trying to fix something while not noting the state of charge. It requires the same kind of fixation I used to give to multi-carb setups. Will I get a 3.0 or equivalent when/if my battery expires. The cost will be pretty much the same as a 2.0 pack and a lot of the cost is the manufacturing process.
The PEM will go wrong at some time, it contains everything. Can it be fixed? Almost always. Will Tesla SC open it to fix it?, absolutely not. They will replace it with a remanufactured one from the Mother ship. There changing PEM’s for bad connectors because they are not allowed to replace those parts. The thing to remember is it’s not under warranty, so a third party can repair the broken part. If you drive your car up to the dealers repair window, drop your keys off With a credit card then I really don’t think a Roadster is a good fit.
Accept it’s a brick, never. There will always be solutions especially as more of them become spare parts vehicles.
So while the issues concern everyone, the reality is the more that is learned about the parts and how it works, the more reliable they can be made. The common issues are always the fan connector, closely followed by the insulation in the PEM, now totally documented and reliably fixed. The Battery’s are what they are, keep them charged and they seem to outperform everyone’s expectations. I only hope other EV’s experience the same longevity the roadsters are having.
