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Motorhomes (Class A,B,C & Super C) F-53/59, E-Series E-350 / E-450 RV Cutaways, Econoline, Transit, Stripped Chassis, Bus Conversions

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Old Jun 25, 2025 | 02:49 PM
  #1  
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kdinirons
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2000 f53 chassis. P00113 code. voltage too high. The 5.0 volt reference voltage is present at the switch (grey wire) . Grey/red wire is the return and it shows a perfect ground. The switch checked out with the 5 volts to the pin. A little heat and the voltage adjusts accordingly. Switch is good tested by itself. No matter what I do, I get -40 in my live data. I am afraid this means a new PCM. Ouch!! What am I missing?
 
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Old Jun 26, 2025 | 05:15 AM
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charlie g
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welcome to this site,your post has been moved to the proper area to aid you more .good luck
 
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Old Jul 4, 2025 | 12:22 AM
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P0113 IAT voltage too high

Next step is measure voltage at the pin on the PCM.
 
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