Ive read that this could be caused my a wiring harness getting wet from the common sunroof leaking problems. There was corrosion on mine. I cleaned and the P0601 went away but the P0606 and U0107 were till active. Ive looked everywhere on line and can’t find how to test the TAC Module specific to my car all the videos I can find are for 2006 and later and the modules on those years look nothing like the 2005 TAC module harness. Has anyone had the same problem, if so what fixed it? If not does anyone know how to test this specific TAC module before I spend $200 on a new pcm
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