novanet Posted February 25, 2004 Report Share Posted February 25, 2004 I remember reading here awhile back that therer was a sequence of control operations in the cab which would reset the trucks PCM without having to disconnect the battery for 20 minutes. I seem to recall that this info came from someones set of GM manuals on CD's that they obtained. I've searched the forums and cannot find this info again. Can one of you guys please tell me the alternate method? Thanks! Link to comment Share on other sites More sharing options...
SuperDave Posted February 25, 2004 Report Share Posted February 25, 2004 If you want to clear security system codes, you have to disconnect the battery. I was told for an hour, but 30 minutes seems to be sufficient. I recall the post you're talking about, do a search on resetting codes. SuperDave Link to comment Share on other sites More sharing options...
BenKey Posted February 25, 2004 Report Share Posted February 25, 2004 At the bottom of the thread. PCM Link to comment Share on other sites More sharing options...
novanet Posted February 25, 2004 Author Report Share Posted February 25, 2004 Thanks guys, for pointing me to the thread. I swear I thought I searched on every different combination of "pcm", "computer","reset", etc. and couldn't find it. Guess theres no substitute for experience, eh Ben?!! Link to comment Share on other sites More sharing options...
BenKey Posted February 25, 2004 Report Share Posted February 25, 2004 No problem I didn't even realize that I posted that. The search function is capable of doing phrases, you just have to use the "quotation marks." Link to comment Share on other sites More sharing options...
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