L322 alarm and keyfob issues

Hello!

I am new to the world of Range Rover as recently purchased L322 4.2 supercharged.

Looks OK but as you can imagine has quite a few issues. I am currently going through them one at a time and have sorted a few but some are still impossible for me at present.

One of them and one of the most annoying one is the key fob and alarm issue.

Remote is not working, tried re-syncing it but without success. Key is not genuine by the way, its aftermarket and I have purchased another one just to make sure its not the key - still the same.

Battery is brand new by the way.

Have replaced the antenna amplifier on the top tailgate as I had a similar issue on my E38 and that have solved it but still nothing.

The other issue is that on my E38 the key unlocked and locked all doors and activated/deactivated the alarm from the drivers door barrel, but on the L322 key only locks all the doors and activates the alarm.

When you try to unlock it inlocks only drivers door and the alarm goes as soon as you open the door - then you have to insert the key in ignition to disarm it.

Funny enough after this if you put the key again in drivers doors and turn it in unlock position all doors gets unlocked.

I am using LAUNCH and SDD to diagnose and there was an error code U0167-00 Lost Communication With Vehicle Immobilizer Control Module, but that might be from when the battery was changed.


Any suggestions?
Thanks in advance!

If you have no communication with the immobiliser control module, then the keys won't synchronise, you need to make sure there's power and communication to the module before going any further.

Graculus said:

If you have no communication with the immobiliser control module, then the keys won't synchronise, you need to make sure there's power and communication to the module before going any further.

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Thanks for your reply. Are you referring the so-called EWS module, located on the side of gearstick lever?

If so I had that disconnected from the car and tried connecting it with AK90 to read it and create another key, but it turned out its not EWS3 but a later version (chip inside is MC9S12DG128, 3L40K), I presume its EWS4 or something else which required either additional adapter to work with AK90 or something else, so no luck there as well.

If not - which module is it and where is it located?

Mine looks like that:

The module you changed on the tailgate, the one everyone thinks is 'just the antenna', off-white with a T30 bolt through the middle, often with a BMW roundel on it. The module you mention above is the one that stores and authorises the keys to start the vehicle, the (for want of a better term) central locking & alarm system is a separate active system altogether, whereas the key access system is a passive system.

Graculus said:

The module you changed on the tailgate, the one everyone thinks is 'just the antenna', off-white with a T30 bolt through the middle, often with a BMW roundel on it. The module you mention above is the one that stores and authorises the keys to start the vehicle, the (for want of a better term) central locking & alarm system is a separate active system altogether, whereas the key access system is a passive system.

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I have tested that "tape module " that I have replaced, there is power to it, checked all relevant fuses as described in the manual, and all seems fine.

Interesting enough SDD cannot connect to VIM module, not sure which one is that - is the "tape" one, or the EWS?

What voltage are you getting on the white/yellow at the tailgate module? test with it disconnected (to check for connection to the GEM) and then check connected. The VIM is integrated into either the GEM or the IPK - I can't remember which, the IPK is a gateway between MS-CAN, HS-CAN, K-Line & I-Line so that'd make sense, I don't think it's the PATS module (sorry - no speaky BMW so that may be what you're referring to as EWS) and it definitely won't be the receiver on the upper tailgate.

Graculus said:

What voltage are you getting on the white/yellow at the tailgate module? test with it disconnected (to check for connection to the GEM) and then check connected. The VIM is integrated into either the GEM or the IPK - I can't remember which, the IPK is a gateway between MS-CAN, HS-CAN, K-Line & I-Line so that'd make sense, I don't think it's the PATS module (sorry - no speaky BMW so that may be what you're referring to as EWS) and it definitely won't be the receiver on the upper tailgate.
View attachment 306468
View attachment 306469

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I had just over 11 volts when I tested it the other day, which seemed strange but don't know if that's the case.

EWS I call the white box I have uploaded in my earlier post which sits right hand side of the gear selector. I thought this is what SDD recognizes as VIM as I thought this is where the immobilisation data is held, unless there is another place.

With that said I tried to update some of the modules yesterday but there was a problem - my SDD is connected and have successfully downloaded the updates for as built etc. but when I click the option to update VIN as-built I get an error that there is no connection to the server.

Same happens if I decide to update a module - SDD tries to download an update file but it fails - is that the thing requiring TOPix access??

Still trying to get my head around SDD.

Thanks!

The 11V will be about right for measuring data with a DC volt meter, you need to unplug the module and check the voltage at the harness connector to test if there is voltage (and therefore data) coming from the GEM.
What version of SDD are you using and is it a 'patched' version? Personally I wouldn't carry out any updates to anything related to security or immobilisation without a valid Topix connection. I'm not that familiar with the BMW era L322's so wouldn't be confident in recommending a course of action beyond wiring checks etc. Bear in mind that the active security is a separate system to the passive security and it's possible for one to work perfectly but not the other.

Graculus said:

The 11V will be about right for measuring data with a DC volt meter, you need to unplug the module and check the voltage at the harness connector to test if there is voltage (and therefore data) coming from the GEM.
What version of SDD are you using and is it a 'patched' version? Personally I wouldn't carry out any updates to anything related to security or immobilisation without a valid Topix connection. I'm not that familiar with the BMW era L322's so wouldn't be confident in recommending a course of action beyond wiring checks etc. Bear in mind that the active security is a separate system to the passive security and it's possible for one to work perfectly but not the other.

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I have taken the measurements with harness unplugged but now you made me think which colors I have tested, It might not be between yellow and yellow/white.

I'll check again in the morning to see exactly what's what.

Regarding the SDD - yes, its a "patched" version I've purchased on the web, version 164. I am not trying to update the VIM module exactly because of that, hence I've tried the Video Processor Module (I think). It started well but when tried to download the files from the server there was an error and nothing happened.

Regarding the BMW era - that is the problem, being 2006 looks like its just a bit beyond my knowledge as systems get a bit updated, but in my E38 works the same way - antenna amplifier gets power from a fuse, then sends signal to the BCM which is in the LCM there, which arm/disarms the alarm and activate/deactivate central locking. The thing is the E38 was operational from the key turning in the drivers door - alarm arm/disarm and central locking activating/deactivating. It just didn't want to sync the keys for the remote and when I replaced the antenna amplifier it worked straight away.

Problem here is that the L322 have issue unlocking all doors with the key in drivers doors (which I believe is a coding issue, but even so it should open them on two turns instead of one) and not disarming the alarm. But on the other side it locks everything on one turn and arms the alarm - so very strange...

Right, what are you running SDD on? Win7 or 10? I have a working patched version (no need to purchase!) with the vbf files downloaded as 'offline'. I can't screenshot anything as it's at work and I'm not... there are online 'how-to' guides including info here https://www.landyzone.co.uk/land-ro...ted-feel-free-to-add-experiences-help.365631/ which is the reason I signed up to this site...
Have you checked the printed antenna on the rear screen isn't damaged?
The doorlock issue is strange, there's nothing in the lock or the door that would detect a 'valid' key being used as that function is taken care of by the GEM getting a valid unlock seed from the receiver on the tailgate and activating the central locking.

Unfortunately I don't have any L322 'Description & Operation' documents downloaded, which may have helped.

Graculus said:

Right, what are you running SDD on? Win7 or 10? I have a working patched version (no need to purchase!) with the vbf files downloaded as 'offline'. I can't screenshot anything as it's at work and I'm not... there are online 'how-to' guides including info here https://www.landyzone.co.uk/land-ro...ted-feel-free-to-add-experiences-help.365631/ which is the reason I signed up to this site...
Have you checked the printed antenna on the rear screen isn't damaged?
The doorlock issue is strange, there's nothing in the lock or the door that would detect a 'valid' key being used as that function is taken care of by the GEM getting a valid unlock seed from the receiver on the tailgate and activating the central locking.

Unfortunately I don't have any L322 'Description & Operation' documents downloaded, which may have helped.

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Currently on Win 10.

So if these files are already in the SDD folders it doesn't need online download? As I said still a bit confused about how the program works, but for me it was very strange that it downloaded all Range Rover files as an update from the servers without an issue but when I selected VIN As-built update and module update in cannot download them. If its possible to work with these updates already downloaded - do you know where I can download them from? And aren't they module specific?

I have tested resistance on the antenna cable that is soldered to the rear screen and it looks OK.

I

Win 10 has issues apparently, I'm happily running on Win7 x64. I've definitely been able to download As-Built data for mine & a couple of other LR's & Jaaaaags.
Have you tried checking continuity from the connector to the far end of the printed antenna?

Graculus said:

Win 10 has issues apparently, I'm happily running on Win7 x64. I've definitely been able to download As-Built data for mine & a couple of other LR's & Jaaaaags.
Have you tried checking continuity from the connector to the far end of the printed antenna?

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I am waiting for a battery for my other laptop and will try to install it there to see it will make a difference, its a Win 7.

What do you refer a far end of the printed antenna? I've checked the soldering points which I presume are the two ends of it and they are soldered to the cable that goes to the amplifier.

Right, little update - so I've measured between white - yellow/white and I have just under 11V.

Decided to measure the red/black, which I presume is the power - tested it between the pin and the bolt that helds the "tape" antenna to the body for ground - nothing. Took out pin connector C2022 which is in the rear fuse compartment, checked the pin (24) - just over 12V, so I presume there is something wrong with the cable from there to the plug.

Will go to the scrapyard to get a similar connector for the pin to make a temporary connection to try and power it up (the antenna) to hopefully get it sorted.

If that is the case at all...

OK managed to get power pin 1 (black/red) - still no luck though, did the relearn procedure a few times and no luck.

I am starting to believe it has something to do with coding messed up - otherwise why would key not disarm the alarm or open the other doors?

Anyone that might any info regarding this?

Persevere with the re-learn, it took me about six attempts to teach-in a new key!
If you didn't have the 12V supply to the receiver / amplifier then that would explain your previous failed attempts, it may be worth clearing any DTC's before trying again.
What procedure are you using to sync the keys - is it this? https://rswsolutions.com/index.php/mkiii-repair-videos/557-range-rover-mkiii-key-sync-procedure

Graculus said:

Persevere with the re-learn, it took me about six attempts to teach-in a new key!
If you didn't have the 12V supply to the receiver / amplifier then that would explain your previous failed attempts, it may be worth clearing any DTC's before trying again.
What procedure are you using to sync the keys - is it this? https://rswsolutions.com/index.php/mkiii-repair-videos/557-range-rover-mkiii-key-sync-procedure

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Well I've tried like 15 times now, still nothing. Either there's a problem in the BCM or a coding issue or who knows what...

Any idea where I can find an existing CCF file for a similar model to see what has been coded for it and what for mine - just to compare if there's been anything coded incorrectly or deactivated?

Have you tried the 'offline' method of downloading all the files for your VIN? from memory, it creates a batch or executable file on removable media which you can then plug into another computer with full internet access, download the files, then upload to your SDD PC - although as I said, Win10 has issues running SDD.

Graculus said:

Have you tried the 'offline' method of downloading all the files for your VIN? from memory, it creates a batch or executable file on removable media which you can then plug into another computer with full internet access, download the files, then upload to your SDD PC - although as I said, Win10 has issues running SDD.

Click to expand...

That's about the only thing I haven't tried

As a last resort I was thinking to install the unpatched version of SDD and pay for a day session on TOPix and do it that way, but was hoping to get it sorted beforehand.

Funny thing is that I have searched throughout the web and I couldn't find anything regarding the central locking thing regarding that its not even working with the key itself.

OK - so I've tried the offline method, created that folder in a USB drive, plugged it in another computer - still same thing, when trying to download the file it gives error code 620 when downloading from DFSM server.

I've also tried to update all options which are related to alarm, locking/unlocking in the CCF file, funny enough some of them get updated (DRL), but some don't and the SDD also throws an error: Module 0x5B, Code -40.

I have also noticed that it is trying to edit the Instrument Cluster Module rather than the BCM.

Is there anything I am missing?