I've had the same problem with this esc but only a quick squirt Of full throttle kind of glitch that only lasts for a second. It was really bad at 1% dead band on esc. Better but still there on 3% (default) and totally fine on 5%. Tried a power cap , still had issue so fitted a external bec to power servo and rx. Also i have switched off theremal cut off and Lipo low voltage protection. car is now fine. Have you recently upgraded to a more powerful servo?
I think it was dead band mostly but the other changes seed to help too
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