As we know thanks to other members the DWA (back up/alarm/immobiliser) is situated immediately behind the OBD2 port immediately above the battery . There are no screws to undo to access it in situ. Remove the left hand panel, slide the OBD2 off to the side to remove it, disconnect the two electrical connectors and depress the plastic post which prevents the DWA from moving out. The DWA very easily just slides out.
My issue is being in dear old Blighty, the top of the DWA is the siren/sounder for the alarm was packed full to the top with dried mud. Around 3/8" worth! Then the screws were rusted out (the bike is 2.5 yrs old). They were difficult to remove. They are 10mm long screws with a 1mm thread (coarse for the size) with a 5mm head and a OD of 3mm. They are ungalvanized mild steel. In my case the original Panasonic batteries were still fitted. They were at full charge. I changed them anyway as I was there. The whole DWA was very dirty and needed a good clean. Without issues it should be a 10-15 min job.
When re-fitted the siren is now at normal volume. I do not think that this was my issue, so will make contact with the dealer.
The very first step is to disable the alarm. With the screen versions, go to Settings - Vehicle Settings - Alarm and then uncheck all of the options and exit the menu. Once you have done this you can then proceed with the DWA removal.
I have photographed the steps for future reference and they are below.
1. DWA in situ, OBD2 moved and both connectors removed. Just over the top of the OBD2 "dock" and below (arrowed) you will see the plastic retainer for the DWA.
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2. The retaining post. Pull the post towards you (I used fuel line removal pliers) and you can then tip the DWA up to remove it. There are no more fixings or wires.
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3. The DWA removed. Note the very badly rusted screws, the siren FULL of mud and the DWA housing/shelf location showing the dirt that accumulates there:
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4. All cleaned up with the screws removed...eventually!
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That's it. Change the batteries and reinstall. It's a 15 minute job if the screws are okay.
) and a new front tyre. No faults found on the bike software and no TFT/connectivity issues could be replicated. I guess we'll just have to wait and see what happens. The dealer cheerfully stated that there were no DWA codes stored and I said "there wouldn't be, I told you that I had changed the batteries!"