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Reset of PCM

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Old 08-01-2018, 12:17 PM
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Default Reset of PCM
I have performed a reset of PCM after changing plug wires. Before that I had a code of P0601. Truck will not start now but will turn over. Any ideas. My thought is I will have to get a new PCM? Any ideas! 1997 Ram SLT 5.9 magnum
 
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Old 08-01-2018, 12:43 PM
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Do you have any codes?
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Old 08-01-2018, 01:44 PM
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no code but scanner has password 2000
 
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Old 08-01-2018, 02:32 PM
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601 code indicates an internal failure in the PCM.......
 
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Old 08-01-2018, 02:34 PM
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Why did you perform a "reset" of the PCM just because you changed plugs? What exactly did you do to reset the PCM? Changing plugs does not require any sort of reset of anything. "Scanner has password 2000"? What does that mean?
 
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Old 08-01-2018, 02:37 PM
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Because of code 601 I wanted to reset to see if that code would go away
 
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Old 08-01-2018, 03:06 PM
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A code P0601 in most cases means the PCM has gone bad. This is possibly due to a short-circuit inside the PCM. Or, if you disconnect the wires/connector from the PCM while the battery is still connected, that may also cause this code.

Read more at: https://www.obd-codes.com/p0601
Copyright OBD-Codes.com
 
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Old 08-01-2018, 03:49 PM
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Oh crap. How did changing the plugs fry the pcm?
 
Last edited by jkeaton; 08-02-2018 at 07:33 AM.
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Old 08-01-2018, 03:57 PM
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I think the pcm was trashed before the plugs were changed.....
 
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Old 08-01-2018, 11:42 PM
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+1 - the PCM likely just took a dump. Sounds like its time to replace it. I once performed a bad flash to my PCM using an SCT box. After the bad flash of my PCM, the starter would turn over, but the truck would not start. I replaced the PCM with a used unit off eBay and the truck fired right up.
 
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