Not sure I have ever said the 6395 was better. By large they are the same and $OD and $31 are more refined codes than $E6 or $OE and typically the codes run interchangeably in either PCM minus the 4L80E ISS provision missing in some. I have always seen the circuits in question in a 7427. It was the 6395 that I found missing them and from memory they were both from 93-94 CPI S10 Blazers or Astros.
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