Kstanbach Posted January 5, 2012 Share Posted January 5, 2012 I have a CXN613 2005. I'm getting code 10-4 and stored codes 5013-07 m128 and 5211-04 m128. It also has low power. I'm not sure what sensor supply voltage #2 means. Quote Link to comment https://www.bigmacktrucks.com/topic/22493-help-with-codes-and-no-power/ Share on other sites More sharing options...
Mackpro Posted January 5, 2012 Share Posted January 5, 2012 With key off, unplug all 3 engine ECM connectors and check for oil of antifreeze in the harness connection. especially the top right one. This code is a low voltage code for the Behr electric engine fan. Check the engine fan connection plug and wires. Does the fan ever disengage? Quote Link to comment https://www.bigmacktrucks.com/topic/22493-help-with-codes-and-no-power/#findComment-96831 Share on other sites More sharing options...
Kstanbach Posted January 7, 2012 Author Share Posted January 7, 2012 No, it is always on. The plug is connected; but, the truck threw a belt a couple of months ago and disconnected the plug, which might of damaged it. I don't know how to verify if the fan clutch is working correctly; I do not have a wiring diagram, or a service manual. I will check the condition of the plugs on Monday for dirt and debris. Quote Link to comment https://www.bigmacktrucks.com/topic/22493-help-with-codes-and-no-power/#findComment-96936 Share on other sites More sharing options...
Kstanbach Posted January 7, 2012 Author Share Posted January 7, 2012 Thanks for the help. Quote Link to comment https://www.bigmacktrucks.com/topic/22493-help-with-codes-and-no-power/#findComment-96937 Share on other sites More sharing options...
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