300M, Concorde, LHS, New Yorker Discuss the Chrysler LH platform cars within.

programming ecm

  #1  
Old 03-03-2016, 06:24 PM
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Join Date: Jan 2016
Posts: 7
Default programming ecm

just replaced ecm on my Chrysler LHS and the motor will turn over but will not start. do I have to have the used ecm I got at salvage yard reprogramed before it will work? and if so is it just as cheap to buy the programmer and do it myself?
 
  #2  
Old 03-04-2016, 02:18 PM
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Join Date: Sep 2012
Location: Somerset N.J.
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What year is the car and what year was the donor engine??


99-01 engines are the same as are 02-04 BUT they will not work if swapped across year lines. There was a running change in PCM's and you MUST swap some parts for them to work.






Chrysler 300M Enthusiasts Club ? View topic - What to do now!?
 
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