Question about 2002 Dodge Caravan

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Stereo quits, interior lights quit and I cant lock with fob - is this to do with the BCM

This morning- the lights tailights and head lights came on without car running and sounded the warning sound as if keys were left in ignition-which they werent.

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The dashboard module can also cause this, but it is a good possibility that the bcm is bad. Check for water intrusion around the bcm and under the passenger side of the dash. The drain tube for the a/c can get clogged with debris and cause the water runoff to come back into vehicle and create many problems.

Posted on Dec 04, 2012


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Posted on Jan 02, 2017

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SOURCE: The power door locks quit

Just had the same problem fixed at dealership. Locks had to be reprogrammed? Cost me $90, but they work now

Posted on Sep 06, 2008

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SOURCE: electrical headlights daytime running lights and tail lights quit

where is the dome light bulb located?

Posted on Jan 26, 2009

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SOURCE: 2003 dodge ram1500 no bus now no power without key in on position

Try disconnecting the main plug held down by a screw in the fuse box in the engine compartment, clean it and plug in again. Make sure that the screw is tight. This should bring everything back alive. Sometimes the plug may become loose and you will lose communication in the computer.

Posted on Apr 03, 2009

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SOURCE: the tail lights and interior dash lights have quit in 95 neon

Well, check the fuse box in the engine compartment...then check the fuse on your side panel at the end of the dash...last place, Flashers are located either on the bottom of the fuse block or on a module under the dash. They are replaced by simply pulling them straight out. Note that the prongs are arranged in such a way that the flasher must be properly oriented before attempting to install it. Turn the flasher until the orientation of the prongs is correct and simply push it firmly in until the prongs are fully engaged.

Posted on Jul 16, 2009

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SOURCE: Will not start; Several interior lights also flash

It is your battery. I just had this happen to me, had the battery checked and replaced.

Posted on Aug 16, 2009

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Astrostart quit working on 03 Impala

The BCM and the key FOB have to be programmed to match by a dealer.

Dec 11, 2017 | Cars & Trucks

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I have a 2013 dodge grand varavan and my key fob quit working. I replaced the battery and it worked once and then quit working what could be wrong?

Since you replaced the battery, and it worked once, there seems to be 3 main possibilities. First, the fob itself is not receiving full power from the battery (contact corrosion) or the battery is being drained by the fob by not fully releasing the button. Open and check for this. Use a pen point to manually push the little black (usually) button that the plastic button pushes against. It should click or give some other sign of returning to an 'up' position when released if it's working.
Sometimes with an older fob the mechanical action of the button is worn and off center. A dab of good glue and a bit of cardboard or some other non conductor carefully placed under the button can be kludged to get this fault to disappear.
The second main possibility is that the car's receiver or antenna is faulty, not streaming the signal from the fob to the car's computer ECM or BCM (Engine Control Module or Body Control Module) whichever unit is responsible for triggering the lock/unlock functions.
This is more serious and truthfully the BCM is expensive to replace and check (usually Dealer Only). Try the fob cures first.

Feb 02, 2015 | 2013 Dodge Grand Caravan

1 Answer

What can i do to determine cause for parking lights. tailights and interior lights to suddenly quit working?

Do the fuses have power when the switch is turned on ?
Do you have power coming out of the switch for each circuit ?

Aug 25, 2014 | Cars & Trucks

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What could be the problem

Sounds like you have a problem with the BCM. Almost all manufacturers put all controls now through the BCM, its a really convenient way to get a lot of cash out of you, since any single item in the BCM that goes require the entire BCM to be replaced.

Aug 10, 2014 | 2010 Honda Accord

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What could it be bcm maby ?

If it is that , it's easily removed from just above the glove box. That apart the door, and interior, it's clipped into the plastic cover just above the interior. Couple of screws an you've got it.

Jul 28, 2014 | 2001 Saturn L-Series

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2000 cherokee power windows power door locks inside light & door dinger quit

The body control module (BCM) seems to be the source of all this weirdness. I can't say with certainty that the BCM is responsible but it should be checked out

Oct 01, 2012 | 2001 Jeep Grand Cherokee

1 Answer

The power door locks, windows, interior lights, and radio all stopped working on my 2002 Rendezvous. One morning my key fob would not unlock the car and so I did it manually and the security light stayed...

What kind of place did the diagnostics ? Auto part stores ? The BCM - body control module . Takes a proessional or factory scan tool to pull codes from this module .
The body control module (BCM) is capable of accomplishing multiple body control functions. Components directly connected to the BCM are controlled by the BCM outputs. The BCM can control its outputs based on input information it obtains from sensors and switches that are directly connected to the BCM, or by receiving information from other vehicle systems connected to the class 2 serial data link. The BCM evaluates this information and controls certain body systems by commanding an output on or off.
The BCM is also capable of commanding other vehicle systems to control functions that are not directly wired to and/or controlled by the BCM. The BCM accomplishes this task by sending specific messages on the class 2 serial data link. The vehicle system capable of performing such function will respond to the BCM message.
The BCM controls/monitors the following functions:
• Audible warnings
• Indicators control
• Interior lighting
• Exterior lighting
• Power/automatic door locks
• Keyless entry
• Content theft deterrent
• Personalization
• Serial Power Modes
• Electrical Power Management

Hooking up a Tech 2 factory scan tool to see if the BCM will communicate would be the first step in diagnosing this problem ,also checking codes an to see if the scan tool can bidirectionally control the lock's window's etc.. I would suggest a buick dealer !

Jun 10, 2017 | 2002 Buick Rendezvous

1 Answer


this is the bcm. replace the fuse block/bcm with the same exact numbers. youll need to pull it out first and alot of salvage yards will have these.

Jan 24, 2010 | 2001 Dodge Durango

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