Logs? Trunk Open

[ShadowCVL]

I just tried mine several times and I couldn't get the liftgate to open using the kick sensor with the doors unlocked. The button on the liftgate worked though.
The kick worked to open and close when I had the fob in my hand. Setting the fob on a shelf ~10' right and forward of the sensor was enough to disable the kick. So, operating as designed.

damnit now I have to go try

Sponsored

 

[ShadowCVL]

damnit now I have to go try

worked fine both ways.

Car was locked, approached and pushed open button on door, nothing happened, unlocked using the keypad, went around back and "kicked" and open sesame.

kicked it closed and the car locked back up.

Maybe thats one of the things in 1.6 that they fixed? I just got 1.6 a few weeks ago (I know its way behind, I wish I could get one of the newer ones).

BUT, if you are saying that it shouldnt work, and if it doesnt for others, then we can rule out the kick sensor and now we have either a remote command of unshielded interference. If it is unshielded interference Im gonna be annoyed cause the damn car is like a faraday cage inside it.

My car is still plugged in but not actively charging, it hasnt moved since Wednesday

 

[RMoore]

So it sounds like this might be downstream from the sensor? What is the nature of the signal from sensor to car? If hardwired, would that be less subject to various modes of interference vs something on the electromagnetic spectrum?

 

[ShadowCVL]

So it sounds like this might be downstream from the sensor? What is the nature of the signal from sensor to car? If hardwired, would that be less subject to various modes of interference vs something on the electromagnetic spectrum?

What would the cheapest method possible be? Its probably hardwired into a nearby module, then that module talks serially to the main "computer". Only a guess though.

 

[BMT1071]

What would the cheapest method possible be? Its probably hardwired into a nearby module, then that module talks serially to the main "computer". Only a guess though.

It is almost certainly hardwired. Either to the liftgate module or the BCM would be my guess. Maybe one of the guys who has access to the WSM could post the schematic. @SnBGC??

 

[Maquis]

From the manual re: hands-free lift gate:
“Make sure you have the authorized device within 3 feet (1 meter) of the lift gate.”

It should never trigger otherwise even if unlocked. I’ve tested this.
If you can kick to open without your phone or fob on you, something’s wrong and could likely be causing your phantom opening problem.

 

[Mach-Lee]

The sensor uses the principle of electric field proximity sensing, not PIR, camera, or sonar. Because your leg is electrically conductive it perturbs the electric field around the bumper when you kick.

The gate should not open if you don't have a key within about 6 feet. It's supposed to check for the presence of a key fob when it detects a kick before opening. If you don't have a fob nearby it shouldn't open.

I have a theory wind deflecting a garage door in and out might trigger the sensor (could also be a pressure change from opening or closing another hinged door in the garage). It is highly sensitive to nearby metal objects, if they move relative the the bumper it would provide a signal. Opening without a fob is either a software error, or the fob signal is reflecting off the metal garage door like a satellite dish if the fob is stored directly in front of the vehicle.

 

[DevSecOps]

My theory, as I thought originally, of an electrical interference of some sort or large metal object (my dryer) might very well be the cause according to how I read Mach-Lee's comment. In addition, I found this interesting read.

Either way I have a ghost tracking device on it now. We'll see how it goes.

Here's the distance between the dryer and car.



Here's the zwave sensor



And here's my action to notify

 

[DevSecOps]

Quick follow up I've had this happen twice in 2 days. Just right now it happened again while I was about 10 feet from the car. Nothing recorded on video, no clouds in the sky. It's a complete mystery still, but I'll keep trying to figure it out. I'm going to disable the kick sensor and see if it happens again.

An extra piece of info, which I doubt is a commonality is that I have an electronic license plate.

 

[Maquis]

Quick follow up I've had this happen twice in 2 days. Just right now it happened again while I was about 10 feet from the car. Nothing recorded on video, no clouds in the sky. It's a complete mystery still, but I'll keep trying to figure it out.

I’m convinced that this is caused by a malfunction internal to the car.

 

[ShadowCVL]

I’m convinced that this is caused by a malfunction internal to the car.

I think I am too, I had it happen once more, seems to happen when the car is unlocked and in the garage. I dont think its the kick sensor, i turned it off (and forgot when i went to lowes yesterday...) Im starting to wonder if there is something in the bluetooth band or other 2.4 ghz band that is common for this car to respond to with a trunk opening. the car actually backs up to a room in my house with a server rack full of equipment, but the only wireless in there is a zigbee dongle, however I have WIFI all over the house.

 

[DevSecOps]

I think I am too, I had it happen once more, seems to happen when the car is unlocked and in the garage. I dont think its the kick sensor, i turned it off (and forgot when i went to lowes yesterday...) Im starting to wonder if there is something in the bluetooth band or other 2.4 ghz band that is common for this car to respond to with a trunk opening. the car actually backs up to a room in my house with a server rack full of equipment, but the only wireless in there is a zigbee dongle, however I have WIFI all over the house.

I've got more ZigBee and zwave than everyone within a ten mile radius in my house. Unfortunately it's just a time consuming and tedious process to find the answer.

 

[Peter Knight]

I've got more ZigBee and zwave than everyone within a ten mile radius in my house. Unfortunately it's just a time consuming and tedious process to find the answer.

@DevSecOps , after you turned down the kick sensor (hands free) feature have you seen the ghost activation during the last days? I am struggling with the same thing.

I do not think it will be related to wifi signals.

 

[DevSecOps]

@DevSecOps , after you turned down the kick sensor (hands free) feature have you seen the ghost activation during the last days? I am struggling with the same thing.

I do not think it will be related to wifi signals.

I haven't had it happen in a week. I have not disabled kick to open and I still don't have a reason for it. Sorry for the lack of help.

 

[ShadowCVL]

Mine has also not happened again, however my car also licks when I walk away every time except that one

Sponsored