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P1860 cooling fan wont turn on

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Well code 1860 is for a problem with the torque converter clutch. Code 1258 means the computer saw the overheat problem and put the engine in limp mode.
You need to know if the computer is grounding the fan relay when the fan is needed, and if the relay has power.

Posted on Jul 23, 2013

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How Can I get my 2003 pontiac grand Prix cooling fans to work ?


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1 Answer

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