Question about 1998 Dodge Caravan
Changed out BCM and it had VTTS, the horn begun to sound and I removed the bcm and put my old bcm back in and now the van will start and run for about 4 sec. and die, 3 times and then on the 3rd time the starter will not turn over any more. I have unhooked the battery to reset the computer, the fuse to erase the memory, changed the ecm. I am at a loss. I am ready to junk the van, and go back to Chevy!
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Posted on Jan 02, 2017
The BCM Unit had to re-learn the systems when I put another unit in. The Windshield wipers use to come on whenever they wanted to without touching the button and the air conditioning stopped working all together, but now it works like new. Everything works perfectly but the only draw back is that the odometer jumped from 94,521 miles to 120,000 miles when I installed the new BCM Unit. I know that the miles were lower but I am happy that the van is running great and everything works just as they are suppose to. I believe that the air conditioner unit did not get the right signal from the BCM and so the motor started to smoke. I ran the engine for 10 minutes and it went away. Thanks again for the advice and have a blessed day. TED
Posted on Sep 11, 2008
take it to a garage and get them to re program the module to your van,donor van could've had a different options to yours
Posted on Feb 21, 2009
SOURCE: Door locks dont work
2 things I would try before replacing an expensive BCM. Disconnect your battery for 5 minutes or so, then reconnect, and see if that helped at all. I have heard in some cases it worked successfully. If that doesn't cure it, I would go to the plug on the BCM itself, (with battery disconnected) and pull the plug off, inspect it, and clean it & mating pins on BCM very thoroughly with contact cleaner or similar electrical cleaner. Add a little di-electric grease to connection & put it back together nice & tight & see what happens. The BCM is usually located on passenger side in kick panel area,(by right foot when sitting) either behind kick panel or above it.
Posted on Mar 15, 2009
You'll have to call local dealer, or if you want to take a chance with used at auto wreckers, it will have to be exact same part number, but personally I don't recommend that. Here's a number to call for rebuilt BCM's gauranteed, that will, if nothing else give you another option. New is probably $800- $1000 unfortunately. 1-877-388-5889. (http://www.proautotronics.com/index.html )
There is always a chance that removing connectors attached to it, and cleaning well with contact cleaner or electrical cleaner (tuner spray cleaner from radio shack) may jsut be a cure if your lucky as well. I certainly would try that before spending that kind of money on a new module.
Posted on Oct 31, 2009
Hold dodge accountable for 10 or more years of bad bcm's and electrical problems. Maybe there is a class action going on we can contact. I'm going to keep looking.
Posted on Apr 12, 2012
Tips for a great answer:
The ignition is in the ON position.
The vehicle is shifted out of PARK.
The BCM will then unlock the doors when the ignition is placed in the OFF position. Do the exterior lights flash as well as the horn sounding ?
Body Control Module (BCM)
Content Theft Deterrent
system is an internal function of the Body Control Module (BCM) which utilizes class 2 serial data and various switch input information to perform CTD functions. When the BCM detects an unauthorized entry, it activates the horns and exterior lamps.
When the BCM detects an unauthorized entry, the BCM enters the alarm mode. The BCM activates the horns and exterior lamps for 2 minutes. This is followed by a 3 minute time-out with the horn no longer active. If no new intrusions are detected after the time-out, the horn is not active. The system must be disarmed or the intrusion condition removed after the time-out for the system to exit alarm mode.
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