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My 1998 Regal GS just died yesterday. I towed it to AAMCO and he said it is throwing a U1255 code which is where the ECM and PCM communication has been lost. Does anyone know how I can fix this myself or how long it will take? I don't know if it's worth putting the $ into it at the shop. It also threw b2417, b2722, b2723, and b2806. I think the worst is the U1255. Any help would be greatly appreciated.
 

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Check all the connectors between the two for corrosion, continuity of the wires, clean any grounds that you can see. These cars are getting older and with the salt(s) etc they put down on winter roads it is a miracle we do not see more problems from it.
Good Luck!!
 
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