Wednesday, May 22, 2019

p1104 code Subaru Vanagon

On ODB2 EJ22 1996 ECU
Error P1104.

Still researching but looks like TCS pin B84-34 on ECU side needs to be grounded.






1 comment:

  1. Did you ever figure this out? I have the same issue and grounding pin 34 didn't help

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