Question about Cars & Trucks
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Posted on Jan 02, 2017
if a new ECM had blown shortly after replacement, the problem is likely to be in power wiring to ECM.
Check all battery wiring to the BCM/ECM for bad connections and shorts, (shorts, corrosion etc.), and test all voltages to ecm.
Check for short to ground in ckt491 (Orange wire), check for Open or Short to Ground in ckt 526 (Brown wire).
Posted on Jul 07, 2008
Okay your talking about the control module,this unit sits flat and the coil packs sit atop it, then theres two connectors on one side and another connector on the other side,here are some pictures of it hope this is the right part,there are no coils on this one but the coils sit on top also here are the connecotrs for it, napa auto parts sells them,they are called ignition control module connectors or plugs, hope this helps.
Posted on Jun 01, 2010
SOURCE: what causes the following faults code on 2004 volvo S40 :ECM-250A LONG TERM-FUEL TRIM:UPPER LIMIT,BCM-0100 COMMUNICATION PROBLEM WITH ECM,EPS-0082 ENGINE STATUS FAULTY SIGNAL,CCM-001 COMMUNICATION CON
Check, test or replace MAF sensor.
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Posted on Jul 09, 2012
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either go on line internet look up engine wire diagram or buy a gm factory manuals they not cheap cost $198.00 or let dealership look up your engine wiring diagram.
Posted on Sep 09, 2012
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