Question about 1998 Chevrolet K1500
Truck not recognizing the ecm might have to have hooked up and completely reprogrammed call with chev dealer and ask tech about problem when security mode kicks in sometimes only can be reset thru a mech /tech and ecm might have to b programmed to your truck
Posted on Sep 26, 2009
Reprogam security key by turning key on,momentarily engage starter,leave key on for ten min(security light will go off) repeat 3 or more times,after third time attempt to start within 5 seconds of cycling key
Posted on Apr 27, 2013
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Posted on Jan 02, 2017
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