Mar 6, 2022 · Lastly: Check the resistance between pin # 6 of the DLC (C251) and pin # 13 of the PCM connector C1381a (left side plug when facing the PCM). It should be less than 5 ohms. Check the …

Apr 21, 2020 · If it doesn't work, verify that you have B+ (battery voltage) to pin #16 of the DLC (Data Link Connector - OBDII port). This terminal should be powered at ALL times.. The top row of pins …

Sep 2, 2011 · You've checked the grounds (Pins 4 & 5) on the DLC and they are good. You've checked for power at Pin 16 of the DLC and no joy. Is all that correct? Is there power at the Cigar Lighter in …

May 30, 2017 · I have no check engine codes or any other engine issues other than the coolant temp sensor not having power going to the connector and always reading cold. Is there anything that I am …

Jan 3, 2023 · Troubleshooting - OBDII port (DLC connector) does not... Wanted to put some thoughts down on troubleshooting the issue with "no communication" at the DLC (OBDII port, connector C251).

Sep 23, 2010 · Hey guys big issue, mikes trucks obd port stopped working after the truck was robbed, we just found that out tonight, anyone know of a fuse somewhere in the truck that we can find thanks

Mar 1, 2025 · You can monitor the ground wire at the CJB connector (for my 2006: pin 10 LB/OG wire on connector C270f) or at the PCM connector (pin 5 LB/OG wire on connector 1381a). In that fuel …

Jul 26, 2013 · currently working on a 2002 f250 with a 7.3 in it. customer was driving down the road and truck shut off and will not start since, crank but no start. has edge evolution installed in it and chip …

Jul 24, 2022 · What diagrams are you looking at? The PCM provides the ground to the relay and it gets its power from the key on. It has always been this way. If you look at a 7.3 Powerstroke PCM pin out …

Jun 23, 2017 · I finally found the plug to connect the code reader underneath the dash, but it will not communicate. I have checked the fuse and it's good. Had the guy...