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Originally Posted by 974door
I have a 99 chevy 3500. I noticed Sat. that the security light was on. Stopped and started fine all day. Got up Sun. to move truck, turned the key, it turned over, started for a split second, and died. Does this everytime. Thought I was having a fuel problem( it is the famous 6.5 diesel) 120 bucks later, still the same thing. Talked to a guy earlier from passlock2.com and he told me to turn the key forward for 10 minutes and then turn it off and then it should start. It didn't. I have the batteries unhooked for the night to see if I can reset it that way. Anyother suggestion on how I can get it started?
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go back through all of my posts, i have posted one on similar situation few days ago. they say to turn key on until dashboard lights come up; let it sit until security light stops flashing and goes solid; attempt to start; it should start and die, security light should start blinking. do not remove or turn key, let it sit in the ignition station for as long as it takes for the security light to stop flashing and GO AWAY. procedure is called passlock relearning, and is said to sometimes last up to 30 minutes.
good luck. it has something to do not with ECM, but with BCM - body control module, thus resetting ECM does not change anything. scope for codes, there's a specific security code for it, something like P1631, some like that. 1361?
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06-30-2008, 09:12 PM
