Thanks Neilly and MarkA-Lanark .... the battery approach has worked perfectly. Really appreciate the help. After a few gear changes and a bit of reversing the Diff Lock light is now out ! (Normal Landrover !) Cheers again for your speedy answers Regards Vince

Thanks both - will try the battery option and get back to you ! Cheers

Hi Neilly - yes tried that and have done that method on previously owned 300 tdi Discovery - but not getting any bleeps at all when going thru the unlock process...? seem to be in a strange state ?? Cheers

On my third Land Rover now. 300 TDi Discovery , then TD5 auto Discovery and now TD5 Defender 2003. The Defender has been the most reliable until yesterday ! Seems to have immobiliser issues. Used to have the same problem with 300 Tdi but a good kick under the dashboard passenger side used to...

2003 Defender TD5 I left the keys in the ignition overnight (ignition off) and now my landy wont start. All ignition lights come on and fuel pump runs but the engine will not turnover. The immobiliser light is solid red (not blinking). Interior lights that are activated by opening the driver's...