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I have a 1998 C5 that the battery ran down and I jumped it off. It ran a short time idling and died and won't restart. I have P0601 and p1518 codes and I sent the Pcm off for repairs with no luck. I have seen previous posts with this problem but no fixes posted. Please help.
Please clarify what no restart means, does it crank over but doesn't fire up or doesn't crank. I would recommend having the battery load tested before you do anything else, as your problem started with the battery being run down, hope this helps solve your problem.
BTW when you title your post something like "Help!!!" many people are not going to bother reading it. Also, If others search the archives because they are having a similar problem the search engine is probably not going to find your thread.
When you get the problem resolved please post what was done to resolve it.
I have a 1998 C5 that the battery ran down and I jumped it off. It ran a short time idling and died and won't restart. I have P0601 and p1518 codes and I sent the Pcm off for repairs with no luck. I have seen previous posts with this problem but no fixes posted. Please help.