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ECM Quuestion

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  #1  
Old 08-21-2007, 01:21 AM
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Default ECM Quuestion

What do the letters mean at the end of the ECM Serv. No. BBMD, OR BBMC, or BDJZto name a few.Also can i use a ECM with the same number but not the same letters? thanx
 
  #2  
Old 08-21-2007, 05:03 AM
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Default RE: ECM Quuestion

I assume this for a 95 or older...thats your PROM broadcast code...you can use an ecm as long as the part# is the same,but use your prom
 
  #3  
Old 08-21-2007, 08:40 AM
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Default RE: ECM Quuestion

yes this for a 93 chevy silverado 5.7l. does the prom go bad also? thanx for the help
 
  #4  
Old 08-21-2007, 09:12 AM
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Default RE: ECM Quuestion

The prom will only go bad if the ECM fried it because of a short, (Doubt thats the case) or if it was physically damaged. It doesn't wear out.
 
  #5  
Old 08-21-2007, 01:55 PM
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Default RE: ECM Quuestion

tHE PROM HAS THE TRUCKS SPECIFIC INFO IN IT...just move it to the new ecm
 
  #6  
Old 08-21-2007, 04:40 PM
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Default RE: ECM Quuestion

thanx for all of the help gentlemen
 
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