Door locks acting funny
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Post Fiend
Joined: Mar 2007
Posts: 26,966
Likes: 50
From: Texas
Door locks acting funny
Driving home tonight in the rain, I was coasting down the road in neutral (ZF-6 so I can just flip it into neutral slowing down if I want) as I hit a slight bump in the road and touched the brake pedal, all my doors locked.
Never had that happen before and I coast down this same road coming home every day (pretty much since I've had the vehicle when new in 02). Not the first time it's rained and not the first time I've hit that bump.
I'll have to watch and see if this happens again. Anyone had similar issues or have any ideas?
Never had that happen before and I coast down this same road coming home every day (pretty much since I've had the vehicle when new in 02). Not the first time it's rained and not the first time I've hit that bump.
I'll have to watch and see if this happens again. Anyone had similar issues or have any ideas?
FTE-Spread The Knowledge
Joined: Feb 2008
Posts: 2,285
Likes: 240
I have had long delays on the 4 door auto-lock on my 02. Sometimes it is in the trip pretty good when they all lock. Not sure if it is the timer pulse or relay. It is very seldom though, and does not seem to follow any pattern.
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Post Fiend
Joined: Mar 2007
Posts: 26,966
Likes: 50
From: Texas
I don't have auto-lock and I had been driving for around 30 minutes or so. Just getting ready to turn on my street when it happened.
Perhaps the truck is just scared of my wife now. She did take it to the store this weekend.
Perhaps the truck is just scared of my wife now. She did take it to the store this weekend.
Freshman User
Joined: Nov 2014
Posts: 30
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From: Co Springs
GEM module is my knee jerk reaction. I recently replaced mine due to it being compromised and it had similar + numerous other symptoms. Just the other day while plowing the door locks triggered along with the cab light coming on and the door ajar light popping on.
our similarity is the wet windshield factor possibly leading to water dripping onto the electrical connections at the GEM.
our similarity is the wet windshield factor possibly leading to water dripping onto the electrical connections at the GEM.
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Post Fiend
Joined: Mar 2007
Posts: 26,966
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From: Texas
Mine's an 02, so no GEM on the back of the fuse panel. I've got the VSM under the radio. Not to mention I've had half a dozen windshields.
My remote keyless entry is aftermarket though, and I'm starting to think that might be the issue. Truck locked itself overnight with a slight rain, then unlocked itself once today with no rain.
I checked with a place and they said 2 hours at least to install a new alarm system with keyless entry. Guess I need to find a place that does this that's close to a bar so I don't have to sit in some waiting room and watch Oprah.
My remote keyless entry is aftermarket though, and I'm starting to think that might be the issue. Truck locked itself overnight with a slight rain, then unlocked itself once today with no rain.
I checked with a place and they said 2 hours at least to install a new alarm system with keyless entry. Guess I need to find a place that does this that's close to a bar so I don't have to sit in some waiting room and watch Oprah.
Logistics Pro
Joined: Aug 2009
Posts: 3,609
Likes: 324
From: Arizona
hmmmm... that's just one of the symptoms of the VSM going out. Not saying you should jump to that conclusion right away though, like you say it could be the aftermarket alarm.
My VSM failure began with door locks randomly locking & unlocking but it gradually progressed to where the remote stopped working, the door ajar light stayed on, radio stayed on with key off, windows worked with key off, courtesy lights did some weird stuff and my auto headlights quit working automatically. A new VSM fixed it all but is wasn't cheap as the dealer installed and programmed it. So if you start to see any of those symptoms appear start saving up.
My VSM failure began with door locks randomly locking & unlocking but it gradually progressed to where the remote stopped working, the door ajar light stayed on, radio stayed on with key off, windows worked with key off, courtesy lights did some weird stuff and my auto headlights quit working automatically. A new VSM fixed it all but is wasn't cheap as the dealer installed and programmed it. So if you start to see any of those symptoms appear start saving up.
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Post Fiend
Joined: Mar 2007
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From: Texas
I don't have auto headlights, but I'll keep an eye on the radio, dome light and windows. Thanks for the tip.
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Post Fiend
Joined: Mar 2007
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From: Texas
Looks like it was the aftermarket set up. Removed the old one and got a new one installed and no issues in the last few days.
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