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Richard, ASE Certified Technician
Category: Car
Satisfied Customers: 15554
Experience:  12 years Ford Lincoln/Mercury Jaguar dealership as a technician and shop foreman reparing all makes
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Land Rover LR3: My 2005 Land Rover LR3 SE has an unusual sound

Customer Question

My 2005 Land Rover LR3 SE has an unusual sound coming from the rear differential actuator. I hear the actuator engage when placing the key in the on position, but after I start the vehicle I hear a loud "brrrrt" sound immediately following. Upon turning off the vehicle and removing the key I hear the actuator disengage. Is this software related or an actual failure in the mechanism?
P080A - Clutch position is not learnt
P186D - Clutch actuator stuck
Live Data
Percentage travel remaining on the clutch is 100%
Open differential override status - Active
Differential control override status - Normal
Submitted: 1 year ago.
Category: Car
Expert:  Richard replied 1 year ago.
This is a problem with the differential motor which will need to be replaced. However when replacing it with a new part new software will need to be downloaded into the rear differential control module as part of an update.