Schematics for your unit attached. Refer to pages 8,9,17, and 23 for your alternator. Hope this helps. tech349
Your fault SPN 3226 is for the Aftertreatment Outlet NOx sensor, FMI 12 is "Bad intelligent device or component", FMI 13 is "Out of calibration"....
Your reading the the faults from MID 128 the EECU(Engine ECU). The faults you have listed, are loss of multiple signals from MID 144 the...
Here are the schematics for your truck. Good luck.
tech349New Member Messages: 0 Thanks Received: 0 Joined: Yesterday I have seen a couple posts, that you can repair the 88890020 interface. I work...
