E93 boot wont pull closed

[kis2010]

Can anyone help with this issue please.

The soft close that normally electronically pulls the boot lid closed wont operate.
It will mechanically latch and then electronically unlatch using the normal boot lid button but it's ajar.

Anyone know what could be wrong, I have checked for a broken fuse, tried disconnecting the battery for a few minutes and tried to look for codes but my inpa wont read the body modules, it works on the engine module ok as I programmed some injectors recently with it.

The manual part of the mechanism that is visible seems ok, the key will unlatch it too, but nothing makes the electric motor that normally pulls it shut operate, is it a separate motor to the latch/unlatch motor?

Obviously the convertible roof wont operate because the boot isn't shut properly.

[Mrnickyp]

Can anyone help with this issue please.

The soft close that normally electronically pulls the boot lid closed wont operate.
It will mechanically latch and then electronically unlatch using the normal boot lid button but it's ajar.

Anyone know what could be wrong, I have checked for a broken fuse, tried disconnecting the battery for a few minutes and tried to look for codes but my inpa wont read the body modules, it works on the engine module ok as I programmed some injectors recently with it.

The manual part of the mechanism that is visible seems ok, the key will unlatch it too, but nothing makes the electric motor that normally pulls it shut operate, is it a separate motor to the latch/unlatch motor?

Obviously the convertible roof wont operate because the boot isn't shut properly.

Hi, today the same thing has happened to my boot. The last thing I noticed was the usual sound of the auto close mechanism attempting to operate. Did not realise it did not pull the boot fully closed.

When I got home, locked the car, I heard the alarm sounding about 15 minutes later. On inspection of the car noticed the boot slightly open. Opened and closed it and realised the auto close has stopped.

Roof doesn't operate too.

Anyones help woul be really appreciated.

regards.

Nick.

[billyboym3]

Hi, today the same thing has happened to my boot. The last thing I noticed was the usual sound of the auto close mechanism attempting to operate. Did not realise it did not pull the boot fully closed.

When I got home, locked the car, I heard the alarm sounding about 15 minutes later. On inspection of the car noticed the boot slightly open. Opened and closed it and realised the auto close has stopped.

Roof doesn't operate too.

Anyones help woul be really appreciated.

regards.

Nick.


Has anyone had any luck with this? mine has failed today.

[fun2drive]

All I can suggest is getting your car to a BMW indy that can read codes. Meaning all the codes. I assume you are getting the red flashing light rather than the green steady light showing transition? There typically two types of sensors: micro and hall and all I can assume is that one of those has failed or been knocked out of alignment. Question to all of you; have you put anything in the trunk or interior that was large and might have bumped something?

I think if the coded including shadow codes show nothing you are off to the dealership. DO NOT go to a dealer that does not have a technician that has not been to the special BMW hardtop school. You are just wasting your time if you do.

Good luck post what you find regarding a solution so we may all learn....

[jclausen]

Look in the left or right rear fender are for water, there known to collect water in there.

[Mrnickyp]

All I can suggest is getting your car to a BMW indy that can read codes. Meaning all the codes. I assume you are getting the red flashing light rather than the green steady light showing transition? There typically two types of sensors: micro and hall and all I can assume is that one of those has failed or been knocked out of alignment. Question to all of you; have you put anything in the trunk or interior that was large and might have bumped something?

I think if the coded including shadow codes show nothing you are off to the dealership. DO NOT go to a dealer that does not have a technician that has not been to the special BMW hardtop school. You are just wasting your time if you do.

Good luck post what you find regarding a solution so we may all learn....

No luck so far.

I have tested the two micro switches on the soft close mechanism which are ok.

Next im going to locate the soft close hall sensor and test. Failing that I'll locate the CTM Control Module and trace back the wiring to the junction box and soft close motors to see if there are any breaks.

No water in the trunk/boot.

I should really get the codes read too.

cheers for the advice, will keep you updated.

[fun2drive]

Well at least you know what works. The top is usually reliable but very complex.
Love to hear the solution...

[Pmcevey]

Hi,

Did you get the boot issue sorted? I have a similar issue with a 2010 BMW E93 – 325i.

The soft close automation (SCA) has stopped working and instrument cluster displays ‘the Luggage compartment open – symbol’. The mechanical locking arrangement works with the key.
Both the luggage compartment & trunk lid lights have both stopped working as well. I replaced both lights with new OEM parts, however these still don’t work.

My local (indy) BMW garage in Sale Manchester said the SCA failure is due to an error in the FRM (foot-well module) Cost to replace £420 plus labour!
I looked for a second opinion (indy) BMW garage Stockport Manchester – they said it’s a failure with the “Left - Trunk lid lock microswitch”. Cost £450 to change the whole trunk lid assemble.
-
These are two expensive route to make the truck lid close fully. Very interested to know if your issue was fixed

[nebula]

Pmcevey (https://www.bimmerforums.com/forum/member.php?795077-Pmcevey)​ Did you get this problem resolved?

[Elguero]

Any news how this was fixed. My 07 just started doing this. Thanks

[Codes2]

Following thread. Mine isn't doing this yet, but seems one day I'll be looking for this help.

Some of you must have resolved this... you can't all be driving around with open trunks for the last year.

[Elguero]

Bump. Anyone??

[Mrnickyp]

After a long time, I finally fixed my issue with the SCA not actuating.

629236

Number one on the diagram was the cause of the issue. Below shows the break in the blue cable.

The fix was to resolder the wire and reassemble.

I did use BMW ISTA+ software to actuate the SCA motors to see if they were faulty. I was very pleased to see they worked, so I knew the fault was not the motors, but either the wiring loom, hall sensors or microswitches.

Loom checked ok by doing simple continuity checks, which took a long time to do. Then checked the microswitches and found the break. Should have done this first lol.

Anyway, I'm so happy now I have a working boot and roof!! :D


629230629231629232629233

[Codes2]

After a long time, I finally fixed my issue with the SCA not actuating.


Anyway, I'm so happy now I have a working boot and roof!! :D




Awesome Mrnickyp, thanks for the good imagery and info!

[GixerEd1]

Hmmm, I wonder how that wire could've been "broken" apart like that? Any movable parts in that area of the trunk/wiring, or something pinched it?

[Mrnickyp]

There doesn't seem to be much movement around the area of the break, the image shows where the break was located. Very close to the wire strain relief, which could have been the cause.


629460

[markv123]

After a long time, I finally fixed my issue with the SCA not actuating.


Number one on the diagram was the cause of the issue. Below shows the break in the blue cable.

The fix was to resolder the wire and reassemble.

Loom checked ok by doing simple continuity checks, which took a long time to do. Then checked the microswitches and found the break. Should have done this first lol.

Anyway, I'm so happy now I have a working boot and roof!! :D





Hi there
Cheers for posting this up

Just a question, as I've seemed to run into the same problem.
Before doing this would the "soft close" work when:
- boot is open;
- closing the latch physically on left side by pushing it up; and
- then closing the latch physically on the right side by pushing it up

It seems if I do the above, the latch (on the right side) will perform the "soft close".
But it doesn't seem to do it when I shut the boot.

The boot will lock when shut but not perform the soft close procedure.

Just thought I'd ask that before tackling a possible blue wire culprit.

Any reply is much appreciated.

Cheers
Mark

[Mrnickyp]

Hi there
Cheers for posting this up

Just a question, as I've seemed to run into the same problem.
Before doing this would the "soft close" work when:
- boot is open;
- closing the latch physically on left side by pushing it up; and
- then closing the latch physically on the right side by pushing it up

It seems if I do the above, the latch (on the right side) will perform the "soft close".
But it doesn't seem to do it when I shut the boot.

The boot will lock when shut but not perform the soft close procedure.

Just thought I'd ask that before tackling a possible blue wire culprit.

Any reply is much appreciated.

Cheers
Mark

Hi Mark,

my soft close did not work when the boot was open when manually pushing the latches on the left and right sides. The only time I got the motors to work, before the fix, was using the BMW ISTA software.

For the motors or at least one to work, I would think that all the hall sensors and micro switches are functioning, but I would at least check both on the software close mechanism.

There is a hall sensor which detects the boot as open, so if it thinks its closed when really open and open when really closed, then it could be misaligned.

Page 32, hall sensor number 9


https://www.bimmerfest.com/forums/attachment.php?attachmentid=594480&d=1492441136

[markv123]

Thank you so much for the reply Mr Nicky.



my soft close did not work when the boot was open when manually pushing the latches on the left and right sides. The only time I got the motors to work, before the fix, was using the BMW ISTA software.


Now that you mention it I’m not actually sure if it’s both left and right sides performing the soft close. I think it may be just the right side (if looking at it front on). Would this change your approach to my problem?



The only time I got the motors to work, before the fix, was using the BMW ISTA software.


Would you be able to describe how to do this? I have the ISTA software but have predominately used it to read codes when trouble shooting. Am definitely interested in wanting to test the motors through ISTA to at the very least cross it off the process of elimination




There is a hall sensor which detects the boot as open, so if it thinks its closed when really open and open when really closed, then it could be misaligned.
Page 32, hall sensor number 9
https://www.bimmerfest.com/forums/attachment.php?attachmentid=594480&d=1492441136

This part of your message is of particular interest. It seems in the attachment (thank you VERY much for) that it is behind the seat. Did you have to troubleshoot this as well? Will attempt to take a look at this too

Thanks again for the food of thought.
Mark

[Mrnickyp]

Thank you so much for the reply Mr Nicky.



Now that you mention it I’m not actually sure if it’s both left and right sides performing the soft close. I think it may be just the right side (if looking at it front on). Would this change your approach to my problem?



Would you be able to describe how to do this? I have the ISTA software but have predominately used it to read codes when trouble shooting. Am definitely interested in wanting to test the motors through ISTA to at the very least cross it off the process of elimination




This part of your message is of particular interest. It seems in the attachment (thank you VERY much for) that it is behind the seat. Did you have to troubleshoot this as well? Will attempt to take a look at this too

Thanks again for the food of thought.
Mark

Hi Mark,

I'll have to check how to test the motors in ISTA. It's in the CTM section and there is an option to trigger open and close. You need someone to watch the locks operate if your PC cable is short.

If you manually lock each latch, left and right, I don't think it should actuate the motors. If it does, I'll check mine, then it sounds like another sensor not working or its one of the motors, or a break to the power to a motor.

I did not check my hall sensor but I did try and locate it unsuccessfully.

If your roof does not operate due to a boot open on the console, you can use the ISTA software to turn off the sensor checking, CTM service mode, so you can put the roof down to look for the other sensors. You can also drive with it in service mode. Remember though, that this mode does not check for sensors so please make sure you have no obstacles in the boot/trunk or you will cause damage.

:)

[Elguero]

Thanks for covering this. I took mine to dealer and they said the SCA needs to be replaced. Funny thing both sides lock when you manually press them and unlock when you hit the trunk release

[Mrnickyp]

Thanks for covering this. I took mine to dealer and they said the SCA needs to be replaced. Funny thing both sides lock when you manually press them and unlock when you hit the trunk release

This is probably because its easier for them to replace it than to diagnose it. And it's very expensive.

When you manually lock each side, do you hear the SCA motors actuate? If they actuate the motors then the SCA microswitches are ok as the CTM, Convertable Top Model, has got the signal.

[Elguero]

Yes you do. What could be the issue than?

[mparmy]

My 2008 320d (same set up as the American spec 328) soft close motor works but it takes about 2-14 attempts for the sensors to know when it's in the right place to stop pulling down or releasing the lid. Which sensors monitor those stop locations and where are they located on the diagram Mrnickyp (https://www.bimmerforums.com/forum/member.php?789621-Mrnickyp) provided above?

[markv123]

Thank you so much for your replies as it has definitely helped with food for thought.

I am relieved to report that it somehow just started to work normally again. Just as I was about to rip the back seat out too lol

I'm thinking I probably have a wire problem somewhere. Maybe in the loom on the part of the boot that is moving up and down

If you have any thoughts that I may look into that would be great.
Otherwise thank you again for your replies previously.
I would still like to know how to test it in ISTA if you were able to confirm how Nick.

From all the way down in Sydney Australia, thanks!

Mark

[Elguero]

Bump

[apollo1965]

When you start ISTA and do a complete identification after it has completed the modules appear on the screen under the Control Unit Tree. Select CTM and then select call up ECU functions, then select component triggering tab and you will find it there. I also have the same problem and when I activate soft closing it works fine so suspect it maybe a sensor issue like the one mentioned earlier by Mrnickyp

[augeuro]

Thank you for the information & pictures. I found the same blue wire & also the black wire broken. I went ahead and repaired all 3 wires.

[so.stenungsund]

Hello, I have the same problem with the softclos and wonder if your luggage lighting worked or was off, my lights are not lit at any time now, can it be the same switch as mentioned or is there anyone else?

[apollo1965]

Had the exact same problem and the exact same cause Mrnickp so many thanks for the pics and info

[Pmmeany]

After a long time, I finally fixed my issue with the SCA not actuating.

629236

Number one on the diagram was the cause of the issue. Below shows the break in the blue cable.

The fix was to resolder the wire and reassemble.

I did use BMW ISTA+ software to actuate the SCA motors to see if they were faulty. I was very pleased to see they worked, so I knew the fault was not the motors, but either the wiring loom, hall sensors or microswitches.

Loom checked ok by doing simple continuity checks, which took a long time to do. Then checked the microswitches and found the break. Should have done this first lol.

Anyway, I'm so happy now I have a working boot and roof!! :D


629230629231629232629233
i appear to have the same symptoms. When the SCA was not working due to the broken wire, when you unlocked, did you hear the motor engage for the unlock cycle? Thanks

[gautamaumala]

Thank you for your post Mrnickyp. From the 4 pictures you posted, does the micro switch with cable come as a separate part? And can we unplug and replace it with another one, since in my case the left side micro switch isn't working.

Coming to the problem with my 2012 BMW 328i Convertible (3.0L L6), i am facing similar issue. Trunk open warning light started showing couple days after i kept a stroller which was touching the top part of the trunk but it did locked fine and no issues on that day. Pretty sure that triggered this problem.

I see the trunk is getting locked and cannot be opened without unlocking the trunk, but, i can clearly see the trunk is not completely closing and there is a clear gap between bumper and trunk. I can also hear the trunk shaking little bit and the trunk open warning light keeps showing on uneven roads or when accelerating from complete stop!

I took it to one of my local mechanic and they said my left trunk latch micro switch is not working which is causing this problem and he will get back to me with an estimate on the part. I thought it shouldn't be a big ticket item until i head back from the mechanic giving me an estimate of $1350 with part being $845 (the whole trunk latch part # 51247353615) and 500 for labor which takes 3 to 4 hours.

Checked with BMW dealer as well on the part for micro switch, but even they say it won't come as a separate part which is kind of insane.
Let me know if there is any alternative for this.

Appreciate your help guys!

--Anumala

[anpart]

All, had the same failing soft close on my E93, boot open warning and no abilty to operate the roof. Removed the soft close unit as previously suggested and found the same broken cable point on the near side of the unit. The green wire was completely broken and the black one was wearing through. Anyway, soldered back together and wrapped up and I can now enjoy roof down motoring again!

Thank you to all who posted pictures and information it's clearly a fault point on these units. It's a pity the wire quality isn't as good as the sheathing that is meant to protect it!

[gautamaumala]

Hello Guys, Was able to fix my convertible which had same issue as well. 2 wires (black and blue) out of the 3 are disconnected as shown in 1st image.
I connected them back and it worked!!

654471 654472 654473

Thank you very much all for your great inputs, saved me $1400.
You guys ROCK!!

[simbaRR]

This just happened to me in the middle of nowhere in northern Norway on my vacation trip. Are the broken wires in the boot lid?

[bjmueller]

Hi Mrnickyp. Thanks for posting. Same thing happened to me - except all three wires were sheared through. Did you solder the wire back together or did you get a new microswitch?
How did you get the microswitch out of its white plastic prison?

Thanks,

Bjmueller

[SpeediM]

Thank you very much! I had one sleepless night because of this issue.
Cables looked ok until you check if the micro switches were working or not.
I was a bit worry it might be the micro switches. Finally checked the cables carefully and found the broken wires hid inside the black tube!!
You need to remove the cover and then you can access to the main unit. You need to remove six screws and one cable in order to remove the whole unit from the boot lid.
Took me just over an hour and it's definitely worth it!!

Save me lots of money! Thank you from New Zealand!

[JDStrickland]

This is very interesting. I have an E36 that I am thinking of replacing with an E93, and my E36 also has wires that lead from the body (left side fender) into the trunk lid that break due to flexing as the trunk is opened and closed. I don't have the soft close, but the symptom set I get is that the roof does not know that the trunk is closed, so the roof will not move. I also get issues with the lighting on the back of the car. My point is, this has been an issue since at least the E36.

How does the trunk lid deal with opening from each end relative to routing the wires? I could answer this question myself by buying a car...

[vsmack]

I checked my cables and they were fine. The two motors seem to be working except the latch in the middle. I saw them working but I have not been able to unlock it unless I use my key. Any idea what it can be triggering it? I noticed that it started happening when my settings changed from unlocking one door instead of two and when I drive it didn’t lock the doors automatically. I haven’t used the car in a while either. Any suggestions?

[florinsf]

good job ! Thanks for posting !

[florinsf]

Good job ! Thanks for posting !

[SFBaySailor]

After a long time, I finally fixed my issue with the SCA not actuating.

629236

Number one on the diagram was the cause of the issue. Below shows the break in the blue cable.

The fix was to resolder the wire and reassemble.



629230629231629232629233

The photos are awesome, and I have the assembly hanging down now. I'm trying to figure out how to pull out the microswitch so I can check the wires. I'm ham-fisted, and I don't want to snap something off...

Did a lot of jiggling and prodding, and finally just slit the black (tough!) sheath. Green wire was busted. Soldered a jumper into place, taped it up, and my wife has a convertible again!

[Mrnickyp]

The photos are awesome, and I have the assembly hanging down now. I'm trying to figure out how to pull out the microswitch so I can check the wires. I'm ham-fisted, and I don't want to snap something off...

Did a lot of jiggling and prodding, and finally just slit the black (tough!) sheath. Green wire was busted. Soldered a jumper into place, taped it up, and my wife has a convertible again!

Great news! :)

[Louialive]

Is the mechanism in your photo part of the boot lid or what the two plungers in the boot lid touch inside the boot.

l have same issue boot open warning light coming on and roof won’t open

[Mrnickyp]

Is the mechanism in your photo part of the boot lid or what the two plungers in the boot lid touch inside the boot.

l have same issue boot open warning light coming on and roof won’t open

Hi. Louialive.

The two plungers are for adjustment. The mechanism is part of the boot lid.

thanks.

[Jozef1983]

Hello. Same thing happenned to me just now. The trunk won’t pull close & noticed that the trunk light suddenly doesn’t work.
Please inform me how you got this resolved.
Cheers

- - - Updated - - -


Hello, I have the same problem with the softclos and wonder if your luggage lighting worked or was off, my lights are not lit at any time now, can it be the same switch as mentioned or is there anyone else?

Hello. Same thing happenned to me just now. The trunk won’t pull close & noticed that the trunk light suddenly doesn’t work.
Please inform me how you got this resolved.
Cheers

[Davey1982]

Followed the screenshots ns can confirm I had the same problem on a 2016 4 series convertible. Blue wire had snapped. Looks like it had snapped underneath the pressure from the white clip. The blue wire looked a lot shorter than the other two wires. Silly manufacturer fault!

[AshbourneMan]

Great news! :). Got the same problem with my E93 2009. Two broken wires !! thank you Mrnickyp for the post. It wa most helpful

[m3wingzero1996]

Hello everyone.

E93 M3.
I might be experiencing the same issue. Hopefully not a broken wire.
I close the trunk (normal closing). I dont hear the SOFT Closing Actuator closing the trunk. The trunk is consider still opening according to the YELLOW warning light on the dash
However, if push down with a little force on the RIGHT side.. I will hear a Click...and and 2nd click click...which I assume is the SCA working.

Now I can open my top or close my top. I can drive without the yellow warning light.

If it was a true broken wire, that means SCA will NOT work, which means the trunk is never closed....which means you cant open/close the vert top, correct?

I would have to push down on slightly to the right of the center of trunk to get the Soft closing accut. to pull the trunk in.....so that it is completely secure.

If I close the trunk and leave it in the down close position, SCA doesnt grab the trunk....i have push it a little harder to get the SCA to pull the trunk in.

Is this normal operation or do I have a fault?

Thanks

I checked the wire..didnt see any pressure on the wire cable (inside the black shealth). It appears symetrical on the outside. No pressure marks.
(LEFT SIDE/DRIVER SIDE/USA) #1 in the picture above.

[Bradyminton10]

After a long time, I finally fixed my issue with the SCA not actuating.

629236

Number one on the diagram was the cause of the issue. Below shows the break in the blue cable.

The fix was to resolder the wire and reassemble.

I did use BMW ISTA+ software to actuate the SCA motors to see if they were faulty. I was very pleased to see they worked, so I knew the fault was not the motors, but either the wiring loom, hall sensors or microswitches.

Loom checked ok by doing simple continuity checks, which took a long time to do. Then checked the microswitches and found the break. Should have done this first lol.

Anyway, I'm so happy now I have a working boot and roof!! :D


629230629231629232629233

And how exactly in ISTA+ did you activate the SCA function??

[Baggiebird]

My first post on this forum. I joined yesterday as Google flagged it when I searched for E93 Convertible boot lock. Anyway my partner has a 2008 E93 320d and the boot lock had stopped working properly. The boot lid could be locked even though it had not been 'drawn down into the closed position'.
Anyway having read this thread I decided to investigate further. I have done a fair amount of DIY on cars in the past 40 years but the locking system did look complex at first glance. Having removed the boot trim, handle and emergency triangle, I was able to remove the 6 T30 Torx screws and drop the locking mechanism down to enable all the electrical connections to be unplugged. Some of this need a bit of patience with a small screwdriver to release locking tabs on the clips. The operating cable from the latch can then be released and the whole locking mechanism removed for inspection.
Once I had removed the left hand (near side in the UK!!) microswitch it was clear the the green wire had parted (in fatigue?). I was able to fairly crudely splice in a short length of new wire and solder before insulating and reassembly. The white clip over the microswitch needs care when removing and replacing. After re-fitting the locking mechanism and re-connecting all the cable clips and operating cable, I kept my fingers crossed and luckily it now works. I also tested that the convertible hood can be raised and lowered.
This forum has, even if temporarily, saved the cost of a new part, which was quoted at £467 from the local BMW franchise. Thanks to everyone that has contributed, and I hope that my post adds some more useful information also?

[Mingos]

Hi guys!! I have the same problem and its just the 2 simple 20220408_204225wires like other owners talked right here!!!! I dissassemble all interior trunk and thats it and costs me zero euros!!!!! Thank a lot !!! If anyone needs help please contact me Ct5jwy@hotmail.com , i have a lot of fotos to help you all !!!!! Thanks!!!!

[lutz1982]

same issue on my e93 (9 years old now), i will try asap your suggestion looks promising

[lutz1982]

amazing fix it works!! just 3hours of work
but was so incredibily easy and so much money saved!!
thank u all
here the pictures of my fix on e93
https://drive.google.com/drive/folders/126rYelguYwEL-MWbz_I56idnj7AeYtUt

[francynet]

:clap:clap:clap:clap:drink1:drink1:drink1:drink1:u rtheman:urtheman:urtheman:urtheman:urtheman:handcl ap:handclapsame problem on my e93 .... I solved it thanks to you ... ANGELS !!!!

[rantatoni47]

Thanks for the awesome and easy tips on it, i modified the whole connector so it might not break the cables again.

[jc83]

Really good photos. Did you disconnect the battery before doing this work? Thanks

[Dogrich]

Just read this thread as my e93 330i 2007 has a similar issue. Mine seems to be slightly different as my boot light and boot lid light are both working . Also the soft close motor/solenoid keeps cycling and trying to close the boot, if you look carefully the boot pulls down slightly but it just keeps cycling and trying for so many attempts.
I didn't want to pull off the assembly and look for broken wires if that isn't my problem. Can I ask if any body had the same issue as me? I can't make out from reading the previous posts if their motor was constantly cycling or it wasn't at all. I hope that makes sense! Cheers

[JDStrickland]

Just read this thread as my e93 330i 2007 has a similar issue. Mine seems to be slightly different as my boot light and boot lid light are both working . Also the soft close motor/solenoid keeps cycling and trying to close the boot, if you look carefully the boot pulls down slightly but it just keeps cycling and trying for so many attempts.
I didn't want to pull off the assembly and look for broken wires if that isn't my problem. Can I ask if any body had the same issue as me? I can't make out from reading the previous posts if their motor was constantly cycling or it wasn't at all. I hope that makes sense! Cheers



It sounds as if your issue is a mechanical one, not an electrical one. The OP in this thread identified an electrical issue where the soft close didn't turn on, You have said that your motors try but fail to pull the trunk lid down, this sounds like a mechanical linkage issue rather than an electrical problem.