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Engine light is on 2005 Duramax

GlennIGlennI Member Posts: 1
edited April 2019 in Chevrolet
Went to check the code to see why check engine light is on and there is no power to jack. Any idea why?

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    Mr_ShiftrightMr_Shiftright Member Posts: 64,481
    Were you using a simple code reader or a professional scan tool?

    Before you do anything else, check all your fuses. Some OBD ports are fused, often to the same circuit as a 12V power supply socket, or cigarette lighter socket if your truck has one.

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