Just sharing recent experience.

For past 2-3 months i have been getting trans failsafe message as soon as key in ignition in the morning or after car stood for a while. Take key out and back in (sometimes twice) and it goes away and no further issue. No issued when driving whatsoever, but this was happening increasingly - from 3 or 4 times a week to every day without fail more recently.

Had local indy clear all codes - he said it had a lot of canbus errors. I have my own scanner and it just kept showing 'gear switch fault' so i was leaning towards ignition switch or inihibitor switch.

However, and i hope sharing this does not tempt fate here....whilst spending last weekend fitting a new android unit i had battery off pretty much for 30 or so hours. Of course i also ripped out the head unit and amp etc to replace with android, but since i did this, not had one single occurence of the error!? Thats now 8 days and counting

So maybe, a good period off battery has cleared something? Dunno, but might be worth a shot if you have this problem.

You may have had a small power drain in your old amp or head unit ? Which was draining the battery !

It's the Android head unit, they come with a "fix your gearbox" app as standard..... Told you they were good...

I think birchyman could have it, it's usually the GPS DVD that causes a drain.... If you use it ever day it will still start but I bet the voltage was in the high 11's which is enough to upset the delicate balance our FF's have....

Glad it's sorted.... hope it continues.... Pete
I now have permission from the boss to use Y.O.L.O. Enjoy life
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2014 L405 Autobiography SDV8 4.4 Loire Blue Ebony interior
2011 L322 Vogue SE 4.4 TDV8 Baltic Blue. Sold
2012 L322 Autobiography 5.0 Supercharged Ipanema Sand Sold
2002 L322 Vogue 4.4 V8 Epson Green (Fatty Offroader) Sold
-Click for Project Fatty off roader-

Well guys, it seems its all down to Pete once again then!

Paul