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    1992-1993 ECM's are now available from GM!

    So far, so good!
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    1992-1993 ECM's are now available from GM!

    My mechanic just got a remanufactored ECM from the dealer. He says that supposedly there was a problem with a certain component being supplied, but that has been resolved. He ordered one up on Thursday and had it Saturday. Its nice to see that AC Delco sticker on my ECM. Happy days! :happyanim:
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    Help! Newbe post. Another 1992 throwing sys, security, service asr lights.

    The mechanic did his thing, and really went after it when it comes to testing continuity, wiring and the like. The answer? Drumroll please............ ECM. Imagine that. I guess I got a crappy remanufactored unit. He tested all the wires, and scoped the CCM and ECM. He said the CCM was...
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    Help! Newbe post. Another 1992 throwing sys, security, service asr lights.

    The car is currently at the mechanic. We both think that it is a bad connection or grounded wire. I reached the end of my mechanical ability when it came to testing the circuits and whatnot. If he gets it figured out, I will let you know.
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    Help! Newbe post. Another 1992 throwing sys, security, service asr lights.

    Here is the best piece of info I have found for my problem yet. From the FSM for code 72: "CCM Code 41 will likely be set along with this code if the problem is a short to ground or B+ on the serial data circuit" Thats the problem! What's the solution? The ground thing I get. I guess...
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    Help! Newbe post. Another 1992 throwing sys, security, service asr lights.

    Thanks guys. I forgot to mention that I did go through all of the grounds and cleaned them. All the other problems that popped up were do to the eprom popping out of place. Now, everything is back to the way it was, just codes 41 and 72, and a no start when 41 is active. I now have the...
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    Help! Newbe post. Another 1992 throwing sys, security, service asr lights.

    Quick update. Today when I was playing with the car, I grabbed the ecm and wiggled the wires a bit. When I got to the last connector (the one nearest the engine) the idle changed, the service asr and check engine lights came on, and the cooling fans kicked on. The fans might have been because it...
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    Help! Newbe post. Another 1992 throwing sys, security, service asr lights.

    While I have the battery out, I might as well hit those too. Thanks for the heads up! This is exactly what I needed! Thanks!!!!!
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    Help! Newbe post. Another 1992 throwing sys, security, service asr lights.

    FSM's are in the mail! Yeah! I have tracked down about 4 grounds so far. I wire brushed and dielectric greased 3 of them, while that nasty sucker above the filter means I need some deep sockets and weasel piss to get the exhaust off. It feels good to be moving in a direction, even if it doesn't...
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    Help! Newbe post. Another 1992 throwing sys, security, service asr lights.

    When I tested module 4, the screen where the codes are displayed just said Err. It only happened when I was scanning when the car was not starting.
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    Help! Newbe post. Another 1992 throwing sys, security, service asr lights.

    Thanks Hib, I'll start checking grounds. I also forgot to mention that while scanning, I did get an error message on module 4 when the car would not start.
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    Help! Newbe post. Another 1992 throwing sys, security, service asr lights.

    Hello forum! My name is Jon and I am a new member here. I have owned my yellow 92 M6 for 11 years. It has been a great car for me, although recently it has been giving me fits. I am hoping the tech geniuses on here might be able to give me some direction. I been having an interrmitent...
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