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Legends Revival part 2
Having discussed the origins of Transformer life and the existence of their souls with Primacron in 2011, Wheeljack begins researching the subject by examining personality components, the part believed to contain a Transformer's essence. By 2025, he succeeds at extracting the elusive spark from his own personality component, proving once and for all that his species does have souls, though to Perceptor's horror the experiment causes Wheeljack's personality program to reset and leaves him without any memories. Finding records of the research results, Perceptor begins wondering what happens to sparks when Transformers die...
*Note this is a huge continuity error, but we'll get to that later.