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  #1  
Old 01-16-2010, 10:51 AM
divahunter divahunter is offline
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Default doors lock when engine is cranking

When I turn over the engine to start my truck it causes the passenger side door locks to lock sometimes the drivers side door locks as well. It seems to do this more often during cold weather. As truck warms up it tends to do this less often. Any ideas would be helpful.
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  #2  
Old 03-21-2010, 12:08 AM
cacher cacher is offline
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Default Re: doors lock when engine is cranking

I have no idea, but that is spooky creepy.
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  #3  
Old 03-21-2010, 04:22 AM
mcpink mcpink is offline
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Default Re: doors lock when engine is cranking

Mine did that a few times in the cold this winter. I was thinking that it had something to do with my battery about to die. Every time it did it the battery was barely able to crank the engine.
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Old 03-25-2010, 01:21 PM
divahunter divahunter is offline
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Default Re: doors lock when engine is cranking

thanks for the posts, I am still trying to figure it out, not happening as often in the warmer weather. It is a very annoying problem, and the Ford dealership has never heard of this happpening.
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  #5  
Old 03-25-2010, 01:35 PM
Vrod21 Vrod21 is offline
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Default Re: doors lock when engine is cranking

Maybe unplug the battery for 10-15 min. Reset the ECU, might work.....Damn computers.
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  #6  
Old 03-29-2010, 05:46 PM
divahunter divahunter is offline
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Default Re: doors lock when engine is cranking

thanks for the info I will try it out.
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  #7  
Old 11-11-2010, 12:42 PM
mrernst mrernst is offline
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Default Re: doors lock when engine is cranking

Hey Divahunter....I am having the same problem as you with my door locks locking when I turn over the engine but mine does it to both door locks about 95% of the time. Did you try disconnecting the battery like a previous poster indicated? No one I have talked to has ever heard of this problem before. I am glad I am not the only one. Thank you.
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Old 11-15-2010, 08:02 PM
divahunter divahunter is offline
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Default Re: doors lock when engine is cranking

So glad there is someone else out there with the same problem, so far during the warm weather I haven't had the problem, but now that the cold weather is approaching I am sure it will start doing it again. Quite a few people on this site have suggested I try to disconnecting the battery for about 15 minutes, so I will try this. Ford has told me they have never had this problem, but I don't believe them. Thanks again for responding, let me know if anything you try helps.
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  #9  
Old 12-06-2010, 10:37 PM
takethepowerback takethepowerback is offline
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Default Re: doors lock when engine is cranking

I have an '02 Ranger EDGE with the 4.0. I have had this same problem, both the driver and passenger doors will lock when it is cold outside. Especially lately, (it is in the upper teens right now). It's been doing it for at least a couple years now. I think it may be a short somewhere or possibly a bad ground. I think it might be ground related b/c I ALWAYS have trouble with trailer lights. When my friends borrow my trailer and pull it with their trucks, no problem with the lights. I hope someone out there has fixed this and knows what direction to point us in!!!
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  #10  
Old 12-06-2010, 10:46 PM
mransr mransr is offline
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Default Re: doors lock when engine is cranking

mine did that for a couple weeks or so right before the battery failed
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  #11  
Old 12-08-2010, 12:01 PM
takethepowerback takethepowerback is offline
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Default Re: doors lock when engine is cranking

hmmm. i know my battery is getting weak but it has done this for at least the last two winters all with the same battery i've always had.
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  #12  
Old 12-08-2010, 12:12 PM
01_ranger_4x4 01_ranger_4x4 is offline
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Default Re: doors lock when engine is cranking

Quote:
Originally Posted by mcpink View Post
Mine did that a few times in the cold this winter. I was thinking that it had something to do with my battery about to die. Every time it did it the battery was barely able to crank the engine.
^^this. when my battery is about dead my doors lock when i start the truck. its caused me to lock my keys in my truck more than once.
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  #13  
Old 12-08-2010, 12:15 PM
takethepowerback takethepowerback is offline
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Default Re: doors lock when engine is cranking

ya, i've locked my keys in there a couple times b/c of this too. guess i need to look into a new battery
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  #14  
Old 12-12-2010, 08:58 AM
rangerstranger rangerstranger is offline
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Default Re: doors lock when engine is cranking

Sounds like some kind of inbeded "run home to mama/protect mode"program that ford is afaraid to admit.IDK JK
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  #15  
Old 12-12-2010, 09:02 AM
FoMoCo FoMoCo is offline
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Default Re: doors lock when engine is cranking

i have never had this problem, hell i wish i had power door locks
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