6th Gen ('00-'05): Pcm
#4
If you're thinking about trying to fix it yourself, that problem shouldn't be terribly hard to diagnose. Get the pin out for the pcm, find the power wire to confirm it's not getting juice. Then backtrack that wire via the wiring diagram to the next place that wire goes - likely the fuse box. If it has power there (after the fuse), but not at the pcm, then you've got a wire break somewhere in between. If it doesn't have power at the fuse box and the fuse is ok, then you'll have to trace back from there - likely a break inside the box assuming everything else works.
As mentioned above, they could just mean the pcm isnt powering up which could also be a ground issue. Again, with the pcm harness pin out you can locate and check continuity/resistance to battery ground from the terminal.
It's not terribly complicated to diagnose with a DVOM and the wiring diagrams, but the fix may or may not be easy.
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