PCM locked, PCM in unknown state, seed not accepted ?
06-24-2006, 04:23 PM
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PCM locked, PCM in unknown state, seed not accepted ? I get this message when I try to read the calibraton file from an '01 Corvette, it won't read or write to the PCM, what gives ?
GM just did a recall flash on it for the column lock, they don't lock PCM's now do they ?
GM just did a recall flash on it for the column lock, they don't lock PCM's now do they ?
06-26-2006, 06:58 PM
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Originally Posted by bigredexpress99
can someone elaborate more on what this problem is so others may have a heads up?? Greatly appreciated!!
Its an odd looking tune once you get it out too.
