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 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 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 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 Share on other sites More sharing options...
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