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Land Rover Repair/01 land rover discovery ii series

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Question
QUESTION: What is the switch under dash on drivers side?

Car wont start. Codes stated had to do with alarm system and battery. How long does it take for alarm to reset itself. It has been 24 hours. Battery was charged. Still will not start.

ANSWER: The alarm will never reset itself.  If you have a security lockout or a misalignment between the engine ECU and the security module you will have to clear or reset that via the Land Rover test system.  That means you need a dealer or an independent with proper tools.  A generic scan tool will not do this job, so make side the shop you choose knows how to do this before you spend money on a tow

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QUESTION: My 20 yr old son brought this vehicle. However, the gas hand does not work on car as well. Thought maybe it ran out of gas in the drive.  Would that have caused the alarm situation (codes). However, i put gas in it and it still did not start. as mention earlier the alarm codes listed when we had it scan by a friend in the drive. So as as you stated we should have towed to a place that has the tools to clear and resit the system. Would a bad crank sensor cause it to not start as well. When scanned would the sensor have displayed a code machine as well.

Answer
Running out of gas will not set fault codes, certainly not alarm codes.  If you have alarm codes, you have an alarm problem.  

A bad crank sensor will prevent starting but it will not set any codes.  The only way to rule it out in the field is to swap it.  But if you've got alarm codes I think there is more to your truck's story than that

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John Elder Robison

Expertise

I own J E Robison Service in Springfield, MA. We are Bosch Car Service for Land Rover, BMW, Mercedes, and other European lines. I can answer most questions about Land Rover service or repair. I'm known as a car enthusiast, machine aficianado, photographer, writer, and speaker. I've been around Land Rovers and British cars most of my life. Visit me at my car business, www.robisonservice.com or my author website, www.johnrobison.com. Check out my autism and writing blog at jerobison.blogspot.com or my photos on www.pbase.com/robisonphoto John Elder Robison

Experience

I have been a Land Rover service manager since Land Rover returned to North America in 1987. My company is a four-star Bosch Car Service facility, known nationwide for Land Rover service, overhaul, customization, and restoration. In addition to Land Rover our company services BMW, Jaguar, Mercedes-Benz, Rolls_Royce, and Bentley motorcars. We have factory-plus-level service capability for all makes. Visit my company online at www.robisonservice.com > service > land rover Also visit my blog at robisonservice.blogspot.com

Organizations
ASA IATN NPPA PPA

Publications
In the Land Rover world, my writing can be found in various print magazines and online at robisonservice.blogspot,com. In the wider publishing world, my work is published by 20 publishers in over 50 countries. Mt books Look Me in the Eye, Be Different and Raising Cubby have made US and international bestseller lists.

Education/Credentials
I am ASE certified, Bosch Trained, and trained by Omnitec/T4 and Autologic on their Land Rover test systems.

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