Can zeroing the regeneration maps damage the EV engine?
I often read on forums that disabling regen (resetting the regen current maps to coast in the chosen car mode, be it Tesla, Nissan, Kia, Taycan etc.) can lead to engine damage. The manufacturers' recommendation not to tow an EV car on wheels is cited as an additional argument.
Of course, we can imagine the phenomenon of auto-induction as a result of unleashing a deactivated engine (although this too is not so obvious and depends on its design) - this also comes up as an argument.
However, this is flawed thinking, as the engine can operate in coasting mode during operation if only when the gear is shifted to the ‘N’ position. Nothing bad will happen.
Why? Well, because the engine is still powered and controlled because the car is on. So you can tow the car running (preferably in N mode), and you can also reset the regen current maps, because they are used when the car is running, not when it is off.
Also - no fear!
Nov 10
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Joe Pirowski
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