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2010 landrover lr4 hse no electrical power dome light comes on when door opens smart key unlocks door push start wont crank tk
 

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Turn on the headlamps then try to crank it...if they go out your battery is dead or weak connection at the clamps
 

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Welcome to the forum
One thread per topic please
 

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Have the battery properly tested and report back
 

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heardlight on still not cranking
if the headlight dont dim at all it means the starter is not engaging so it's something on the starting circuit or the starter is fubar
 

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Here's the code description from the workshop manual:

B1009-63 Ignition Authorization
Circuit/component protection time-out
CAN circuit fault
Instrument cluster fault
Central junction box fault
Battery voltage too low
NOTE:
Only diagnose this DTC if the customer is reporting a start related issue

Clear the DTC and retest. Check for additional ignition related DTCs and rectify as necessary. If problem persists, carry out CAN network integrity test and on demand self test using manufacturer approved diagnostic system. Alternatively, refer to the electrical circuit diagrams and check CAN circuits
 
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