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Chrysler Repair/1994 chrysler concorde, BCM

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Expert: - 10/26/2011


Question
1994 Chrysler Concorde, only 60K miles: won't start anymore. I am told by my mechanic that the Body Control Module needs to be replaced, part # 4759227. He has spent many hours trying to disable or get around this problem with no luck. He has also searched for the part from the manufacturer and used part dealers. Any ideas? The car will be junked without new part.

Answer
Hi Russ,
I an not clear what exact symptom you have when you try to start. Does it try to 'catch', does it run for a few seconds and die, or does it not turn over by the starter motor?
In any case, I would try for a fault code readout using the ignition switch: turn it "run-off-run-off-run and leave in the run position", doing that in 5 seconds or less elapsed time. Then watch the check engine light, which remains 'on', to see if begin to flash, pause, flash, etc. Count the number of flashes before each pause. Then repeat the process to be sure you have an accurate set of flash counts. Tell me the counts in the order of appearance and we'll go from there. I questiom how the bcm would prevent starting unless it has to do with the anti-theft system. The fault codes may be instructive.
Roland
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Roland Finston

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I specialize in Chrysler/Dodge/Plymouth cars, minivans, and SUV's for the model years 1982-2008 based upon my 50-year DIY experience, factory shop manuals and wiring diagrams. I offer fast repair advice to help you minimize repair costs by helping you diagnose and do it yourself. Problems with electronically controlled engines and transmissions as well as body wiring problems are my specialty.

I take questions one at a time between 8am and 10pm CT and attempt to answer within 20 minutes. "Maxed Out" means I am answering another question of otherwise busy, so try again later.

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Five decades as a 'do-it-yourselfer' on domestic and imported cars

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Yahoo Autos Group called The Chrysler Lebaron Club (co-moderator)

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Degrees in Physics/bruised knuckles.

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"Top expert of 2010" and "2011" at Allexperts. Among top 50 experts for years 2006-2009 at Allexperts.

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