Lexus GS 2006-11 :: 2008 - Trunk Won't Open With Key / Button
May 22, 2013
I have a 2008 GS350 AWD. One day, the trunk stopped working. The trunk button next to the drivers seat doesn't work nor does the button on the key fob work. I already pressed the valet button in the glove box, so I know its not that. Every time I try to open the trunk with the key fob, it'll beep but the trunk won't open. The ONLY way to get it open is to many insert the key that's hidden in the fob.
I read a couple of threads regarding this problem. Some say they went to lexus and was charged 1600 while others say they fixed it themselves.
One person said "They unplugged the wiring harness from the ECU (Electronic Control Unit? I guess). Once the harness was plugged back in the ECU reset and trunk works fine now. However they tell me it could happen again."
Where exactly is the wiring harness/ecu? Any diagram that I could follow?
Another person wrote "Took it to Lexus and they told me it would cost over $1600 to fix. Found your post, opened the trunk to disconnect the cable to the ECU. It would require some dissasembly. Leaving the trunk open, I disconnected the main battery ground and waited 5 minutes and reconnected the ground. This also reset the ECU. I closed the trunk and now everything works fine again."
Where is the "main battery ground"? Is he referring to the same battery that you hook up jumper cables to? if so, how do I disconnect the main battery.
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My trunk won't open with the button on key FOB, interior button, and trunk-lid button. I did check the glove compartment valet button multiple times as well. No luck there. The trunk does open manually with the metal key from the key FOB, just not the other buttons.
EDIT: The key FOB button works in that it makes the long beep noise, but the trunk does not pop. The auto-shut function does not work either. Just checked the driver side panel "TRK OPN" fuse and that's perfectly fine.
Could it be a bad solenoid? Bad latch or fuse?
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When I push the button or use the fob to open the trunk, it opens but the trunk lid does not pop up. I have to pull it up manually. Is there some trick I'm missing? I skimmed the manual but didn't find anything.
I found my answer. Apparently they don't pop open on the older models, which is ridiculous. They started putting that option on cars years ago! Unbelievable.
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I just bought an used 2010 RX350. It has a button on the key that automatically opens the trunk, a button on the left of the drivers side that automatically opens the trunk and the button on the trunk that automatically closes it (so you don't manually close it). But after I bought it, I noticed that when I push the button on the underside of the trunk it does NOT automatically open.
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Push button to open the trunk will not unlock. Push button for top close will not work.
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The button you press to automatically close the trunk on the rear of the car isn't working. When you press it, it just beeps and does nothing.
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I had a flat tire yesterday and when my husband went to change the tire we couldn't open the trunk. I tried pushing the button in the glove box and I still can't open it.
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I am the owner of a 2006 GS430. I went to open my trunk last night and suddenly it will NOT open. I used both the remote and the trunk button inside the car and still can't seem to get anywhere.
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I have a 2006 GS 300. The trunk will not open with the remote or the dash switch. The glove box switch is in the operate position and the fuse is good.
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I went to open my trunk the other day by pressing the button on the trunk, and nothing, key in my pocket with a fresh battery (replaced in June). I then pulled out my key and pressed the trunk release on the fob and again nothing. I then went to the trunk release in the dash, and again nothing. I ended up pulling the key blade out and using that.... so inconvenient. ..
I did also check the fuse for the trunk release and it's still good...
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2007 GS350 48K miles
I don't hear the motor lock the trunk either. I can open it with a broom handle through the back seat ok or with the actual metal key, but pressing the button on the remote or next to the steering wheel does nothing. I checked the fuse, and the glove box switch.
Anything else I can try? It's no worry since its still under warranty, but if it's something simple it would save me the trip.
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I have a 2008 Passat Komfort. About 2 weeks ago I went to open the trunk and nothing happened. Tried using the button next to the gas door open and still nothing, remote doesn't work, button doesn't work neither does pushing the emblem. I have tried both sets of keys and nothing.
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I just bought a 2012 toyota camry se with smart key. The trunk button on the remote opens the trunk, but the smart key button on the trunk lid does not open the trunk. I found a brown module unplugged the the left of the seat release handles in the trunk, I checked the wiring to the switch on the trunk lid.
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I have a 96 SSEI, it has been sitting for one year....I put it back on the road yesterday and done some shopping, and found out the key won't open the trunk so i tried the button on the door and it didn't work either. So how can i get the trunk open, I couldn't find the fuse the the release button.
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Mk IV Jetta. Central locking works fine. All other CCM functions are fine. Replaced CCM recently serial numbers match. When I hit the switch on the door nothing at all happens. When I use the key button the lights flash twice but no other activity. No broken wires between the body and the trunk lid. Actuator works when tested with a 9v battery.
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My trunk doesn't seem to open electrically any more - that is, the button on the driver's side nor the button on the key fob will open the trunk. All I hear when I attempt either of these methods is a click near the fuse box. I do not hear the actuator at all. It worked intermittently for a few months, but now it seems to be completely dead. My google searches led me down two paths - either the actuator itself is broken or the wiring going from the latch to the actuator is messed up.
I removed the actuator from the trunk and tested it using a different power supply. It seems to work fine when I apply 12v through the leads. I also connected my multimeter to the connector that plugs into the actuator (the connector is hooked up to the wires coming from the front of the car). When I push the trunk button on my key, it spikes to 11v, then drops back to 0. To me, this indicates that there is no flaw in the wiring.
I even re-soldered the wires where it tends to kink on the drivers side in the trunk (It looks like they have been previously DIYed so I thought something may have come loose there), but that doesn't seem to have worked. As far as I can tell, the wires seem to be working fine by testing through the multimeter, and the actuator seems to be fine by testing from an alternate supply.
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When I press trunk release button on dash or the trunk button on key, I hear the mechanism but trunk will not pop open. I press the button and pull up on the trunk, it is still latched. The key will not go all the way in lock on trunk, I assume it is seized.
I have sprayed 3 in1 penetrate in lock mechanism. Key still will not go in far. I cannot get back seat down. I am wondering if something got caught in latch that is restricting movement.
2012 sonata gls 84,000 km.
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I'm having some trouble opening the trunk of the Tiguan and I'm wondering if this is a known or common problem. When I hit the open button on the remote control, sometimes the trunk door doesn't fully un-hitche and it remains locked. I can completely close the door again and try again and it still won't open.
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My 2008 Prius needs a new panel that holds the license plate lights and the trunk release and lock buttons. Needed to properly replace the release button several years ago but was just using electric tape as a stop gap but now the entire panel broke off, not just the push screws but part of the panel broke. What this part is called?
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