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Message: <blockquote data-quote="Toneybrown07" data-source="post: 1054730" data-attributes="member: 77523">Hello everyone I'm back!  So, my previous check engine light from 2022 seemingly went away on it's own without ever getting a code.  Here I am in 2025 and that bastard is back.  Instead of doing the auto parts store scanner, I went to a repair shop.  Their assumingly better scanner still could not pull a code. So, today I broke out the multimeter.  With the key on I have 12v to the power/body ground, power and both grounds at the obd2 port.  Out of curiosity I check every Obd2 connection point and they all had voltage with the power from 7-11 volts.  I checked the fuses under the hood for the pcm and the relay which both seemed completely fine.At this point I don't think there could be a wiring problem at the obd2 port.  However, something is keeping it from communicating with the computer.  Does anyone have an idea of where I could look next to solve this problem?I keep going back to my previous post about the ignition.  Today on the way home from work I was driving at about 60 mph and the truck instantly died.  I pulled off the road, put it in park and tried to restart.  When I turned the key nothing happened.  I pushed up on the gear shift again, to make sure it was in park and it started right back up.  I was able to drive home with no more issues.  Also, my check engine light was gone, as if I had disconnected the battery.  These things seem related, but I don't have the knowledge to put the pieces together.  Help!  My wife wants me to buy a new truck, but this thing is still under 170K!</blockquote>

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