Question about 2005 Dodge Caravan

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05 odoge caravan power locks

All power lock switches not working,does not appear to be isolated to one switch,possible fuse problem? can't find fuse for power locks,is there even one?

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  • Anonymous Jul 21, 2008

    have same problem with power door locks. same solution, pull fuse and reinsert. works until next time.

  • Anonymous Aug 20, 2008

    Power door lock are stuck in the unlocked position. There are no power door fuses in the fuse box under the hood. In the owners manual it says to reset the locks by closing all the doors, put the key in the ignition and turn the key into the on and off mode without turning over the engine 4 times ending in the off position and within 10 sec click the door lock switch into the lock position. A chime will sound and the locks should reset. This worked for about a week and it happened again, this time the reset did not work. Help.

  • stu prince May 11, 2010

    what does the 20 amp IDO fuse stand for.........problem with my power locks on the 2005 Dodge Caravan SXT..........or should i pull out the 40amp BCM first

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I did the thing pulling the 20am IOD fuse out and it seemed to work great! I was going to go back to the dealership.... stupidness....
My dad is a mechanic and he said that the fuse may just have to be replaced.

Posted on Sep 01, 2008

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The solution is simple, take your vehicle to a dealer and have your body control module reprogrammed. You do not need to replace the controller. I have performed this repair numerous times. I don't know what other dealers charge but i usually charge a one hour labor charge. Price will vary depending on labor rates. I've never had one come back for the same problem after performing the flash.

Posted on Sep 27, 2008

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Hi, The overall problem is with the Body Control Module (BCM). The dealer may offer to re-flash it as it's a software problem. BUt you need the BCM replaced. The cost ranges depending upon your dealer butif you are out of warrantly and the cost is over $150 - $175 USD, call Chrysler 1-800-992-1997 and tell them your ordeal. Chrysler will ask the dealer to send them your BCM so they can program your milage into the module and then return it to you. Then ask the Chrysler rep (Or dodge person) to reduce the cost as this is their software issue, and it was bad from the start. This will Work!!!

Posted on Aug 11, 2008

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Try to reset on board computer....... remove the battery cable (negative). let it unhook for awhile or one hour.
Install again the cable, test your power lock.

THis should work fine.

Eric

Posted on Aug 10, 2008

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I did it 4 time in last two month pulling out 20 amp IDO fuse and don't know how many time I have to keep doing it in future. Is there a permanent solution for this? Will it corrupt the program set in the car or damage other system?

Posted on Aug 06, 2008

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Go under the hood, into the fuse box, pull the 20amp IDO fuse for 20 seconds, plug it back in and it should be fine. Or, take it the dealer and pay them $100+ to basically do the same thing. No guarantees how long it will last (weeks, months?) but it will get you through and it's free. It may be triggered by a power lock actuator going out, but I'm not sure. I'm still trying to figure this out on my own 05 GC. Hope this helps and saves you a trip to the dealer.

Posted on May 27, 2008

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1 Answer

2007 Saturn ion 3 door locks fuse location


Power door lock's are controlled by the BCM - body control module . Are you familiar with automotive electronic's ?
Door Lock System Components
The power door lock system consists of the following components:
• Driver door lock switch--Uses a single signal wire for both lock and unlock switch activations
• Front passenger door lock switch--Uses a single signal wire for both lock and unlock switch activations
• Body control module (BCM)--Class 2 module which requires programming when replaced
• Reversible door lock actuators in each of the doors
• Body control module PWR 15A fuse--Located in the body control module fuse panel, supplies power for the door lock system

Door Lock and Unlock Operation
The BCM PWR fuse supplies battery positive voltage to the BCM for the door lock system.
The BCM supplies and monitors a reference voltage to the door lock switch through the door lock switch lock/unlock signal circuit. The door lock switch also receives a constant ground source. If a door lock switch is placed in the lock position, the reference voltage is taken directly to ground and the BCM senses 0.0 volts on the signal circuit. If a door lock switch is placed in the unlock position, the reference voltage is taken to ground through a 1.5K ohm resistor that is internal to the door lock switches and senses approximately 2.9 volts on the signal circuit. This is how the BCM determines what portion of the door lock switch was activated.
The BCM, upon receipt of a door lock switch lock or unlock signal, will switch the appropriate door lock actuator control circuits to battery positive voltage. The opposing side of the door lock actuators are connected to ground internally within the BCM through the other door lock actuator control circuit and the doors will lock or unlock appropriately.
Vehicles without keyless entry have two internal drivers in the BCM to control the door lock actuators. All door lock and all door unlock. Vehicles equipped with keyless entry have three internal drivers in the BCM. Driver door unlock, passenger door unlock and all door lock. This is done to isolate the driver door lock actuator so it can be unlocked by itself using the keyless entry transmitter.

Nov 26, 2017 | Saturn Cars & Trucks

1 Answer

Door lock dont always work


What door lock doesn't always work ? One or all of them . This is a complex set up for these door locks ! The switch is an input to the BCM - body control module . There is logic involved in the microprocessor , there are relays built in to the BCM ! Could have a DTC - diagnostic trouble code stored in the BCM ! Could be a bad connection at the BCM or master window switch ! A bad ground !
The power door lock system consists of the following components:
?€¢
Body control module (BCM)


?€¢
DOOR LKS fuse


?€¢
Driver door lock actuator


?€¢
Driver door lock switch


?€¢
GMLAN serial data link


?€¢
Keyless entry transmitter


?€¢
Passenger door lock actuator


?€¢
Passenger door lock switch


?€¢
Remote control door lock receiver (RCDLR)


The DR LCK fuse supplies battery voltage to the body control module (BCM) for the power door lock system. The BCM supplies and monitors a reference voltage to the driver and passenger door lock switches through the door lock switch lock/unlock signal circuit. Each door lock switch receives ground at G300 which is also the ground for the door lock and unlock relays located in the BCM. When a door lock switch is placed in the lock position, the reference voltage is switched to ground and the BCM senses 0.0 volts on the door lock/unlock signal circuit. When a door lock switch is placed in the unlock position, the reference voltage is switched to ground through a 1.5k ohm resistor that is internal to each of the door lock switches and the BCM senses approximately 2.9 volts on the door lock/unlock signal circuit. The BCM interprets what position the activated door lock switch was placed in based on the voltage drop.
The BCM, upon receipt of a lock or unlock switch signal, will switch the appropriate door lock/unlock relay coil control circuit to ground causing the appropriate door lock/unlock relay to energize. With the relay energized, voltage is applied to the door lock actuator control circuit causing the door to either lock, or unlock depending on what command was received from the power door lock switch or remote control door lock receiver (RCDLR). When a power door lock/unlock relay is not energized, the switch contacts are normally grounded through the BCM which provides ground to the appropriate door lock actuator for the lock/unlock function being performed. The power door lock/unlock functions are performed by reversing the flow of voltage through the door lock actuator control circuits. The BCM has three internal drivers for the power door lock system. Driver door unlock, passenger door unlock and all door lock. This is done to isolate the driver door lock actuator so it can be unlocked separately from the passenger door. For additional information concerning keyless entry, refer to Keyless Entry System Description and Operation.
This is one you may want to take to dealer or some other ASE certified repair shop ! To do this right you need a Tech 2 scan tool !
Ignition ON, observe the scan tool Door Lock Switch parameter while using the driver and passenger door lock switches. The parameter should change from Idle to Lock and Unlock.
?‡'
If the value does not change, refer to Door Lock Switch Malfunction.

Command the doors to LOCK and UNLOCK with the scan tool, the door lock actuators should LOCK and UNLOCK when changing between the commanded states.
?‡'
If one or more doors do not LOCK or UNLOCK, refer to Door Lock Malfunction.

Aug 12, 2015 | 2009 Pontiac Solstice Convertible

2 Answers

No electric power to left door Fuse and relay are good


Check the wire lume that runs from the body to the door inside a rubber bellow. the wires can break from constant moving and I'm not sure what vehicle you have, but this is a defect for a few vehicles out there the wire can be to short in some cases from cost saving manufacturing. It may be necessary to remove the door panel and remove the harness through the wire opening to be able to move the boot far enough to access the broken wire or even just to check it in some cases.
How I like to repair it, is to put a new wire through the entire pivot point and join it inside the door and body where the wire does not move constantly.

Hope this helps

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Hello I have a 1997 Honda civic ex coupe manual trans, my issue is that the power lock won't work and the passenger side window doesn't work either, the only one working is the driver side power window...


Most probable cause , ,,, when you open & close the door, the wires in the rubber boot (accordian like) harness in between the door hinges, get cut and will cause alot if issues, without burning a fuse !

Oct 25, 2014 | 1997 Honda Civic

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My power locks will not work all the time and sometimes I can't even lock them manually. Sometimes it makes the noise and sometimes it doesn't The power windows work fine and its not the fuse. Please help...


It could be the switch. It's possible that it let's just enough electricity through to "make the noise", but not enough to function the lock actuator. Hope this helps. Please let me know.

May 20, 2014 | 2000 Pontiac Grand Am GT

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Where is the door lock relay located?


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Nov 28, 2012 | 1992 GMC Yukon

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The automatic locks are not working and the turn signals are no longer blinking. They just stay lit. I have checked the fuses, and there doesn't seem to be a problem.


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  1. If there is only ONE door lock not working, the problem is more than likely isolated within that particular door, barring some unusual wiring issue.
  2. If all the door locks work with the passenger side door lock switch, but not the driver's door lock switch then the problem is more than likely the driver's switch.
  3. If a single door lock only works in one direction, either to lock or unlock but not both, then the problem is likely to be the door lock actuator.
  4. If ALL door locks work only in one direction, ether to lock or unlock but not both, then the problem is likely to be a bad door lock switch.

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If i use the drivers switch or the keyless entry, or even manually try to switch the lock, it will not unlock. It is stuck locked. HELP!


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