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2001 300 m pcm

  #1  
Old 03-22-2015, 11:42 AM
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Default 2001 300 m pcm

I have a code p0601, I know this is an internal problem in the pcm. so I went to the salvage yard and got a matching pcm, put it in and after three starts it would not do any thing because of the security link. Put the old one back in for now. my problem now is finding a dealer to flash the pcm, does the pcm have to be in the car to flash it ? I can go on the internet and buy one that is preflashed with my vin.no. and mileage. just trying to do it the cheaper route, one dealer told me he cant flash the one from the salvage yard. is he just giving me the run around or what? thanks for any help.
 
  #2  
Old 03-22-2015, 01:30 PM
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they are correct you can not erase the software in teh old pcm to match you car its a security system if you could simply do that they why have an alarm in teh first place.

New a brand new one or a pre programmed one from a location that sells them with you info already programmed into teh pcm.
 
  #3  
Old 03-22-2015, 02:55 PM
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You will need a matching set, PCM, SKIM & Key. 99-10 300M can sometimes be found here : Chrysler 300M Enthusiasts Club ? View forum - Buy/Sell/Trade
Note 02 and up are not compatible with earlier years.
 
  #4  
Old 03-22-2015, 03:21 PM
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thank you.
 
  #5  
Old 03-23-2015, 11:07 AM
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Question pcm replacment

Kevin, just got off the phone with another dealership and asked him about this and he told me that they can reprogram the matching pcm and skim to my car, Just wondering if there is some thing he does not know that you do. and if it is a security thing why can I go on the internet and buy one all ready flashed(plug and play) with just me giving my vin no. mileage. mine is 2001, says the newer models you can not.
 
  #6  
Old 03-23-2015, 10:53 PM
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you talked to a service writer not a tech unless he knows first hand that it can be done or does it him self how can he know? I been there for 15 years and Iv never been able to change the software in a pcm and change it over to something different.
The programmed ones set things up with the right software and skim code already in the pcm .
 
  #7  
Old 03-24-2015, 10:08 AM
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Kevin, thank you for your time and effort have learned a lot from you. Thanks again.
 
  #8  
Old 03-24-2015, 04:22 PM
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any time that's what im here for
 
  #9  
Old 03-27-2015, 12:15 AM
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firem: thank you for your input. Went back to the junk yard and was so lucky to find matching computer, skim, key and ignition lock. for my 300m, Worked perfect, can't thank you enough.
 
  #10  
Old 03-27-2015, 11:32 AM
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You are more than welcome.
Take a peek at us at Chrysler 300M Enthusiasts Club - A Club for Chrysler LH Platform Enthusiasts
For even more help in keeping your M on the road for years to come.
 
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