Did the key dance a few times and I'm getting some weird codes. Can't find them anywhere in the service manual or Chilton's. Is my ECU crazy?

Codes I got:

12
72
55 (end of codes)

I'll try it once more and make sure..but after 3 times I'm pretty sure that's the codes it's giving me.

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97 GS "Northstar White" - Custom (read: PVC) CAI, GS-T exhaust no cat, 8.5mm Magnecor

72 is one of those oddball codes it throws that aren't in the FSM. It's generally accepted to be a catalytic converter failure code. 12 is "direct power input to the pcm has been disconnected in the last 50 key-ons", but it'll never turn the light on, just an FYI code.

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'95 Eclipse TurboGS (garage deco)
'95 TSi AWD (restoring a survivor)
'97 Talon ESi-T (poor impulse control)
'99 Eclipse RS-T (daily beater)
'13 Evo X (mostly stock)
'17 Sienna (Middle Aged Dad Mobile)



Factory Service Manuals: http://nawdu.de/files/

makes sense enuf, no cat on my car. Resetting the ECU took care of it, thanks for your help.

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97 GS "Northstar White" - Custom (read: PVC) CAI, GS-T exhaust no cat, 8.5mm Magnecor