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January 17, 2018 Service bulletin

An issue has been identified on certain vehicles within the listed Affected Vehicle Range where the...

Land Rover technical service bulletin N118NAS1 for 2015-2016 Land Rover Range Rover, 2015-2017 Land Rover Range Rover Sport and 2016-2017 Land Rover Discovery and others.

Bulletin number
N118NAS1
Component
Power train: automatic transmission: control module (TCM/PCM/tecm)
Summary
An issue has been identified on certain vehicles within the listed Affected Vehicle Range where the 'Service Required' message will not appear on the Instrument Cluster (IC) if a vehicle has reached its service point and the engine is started normally by pressing the engine START/STOP button with the brake pedal pressed. Turning on the ignition only, by pressing the engine START/STOP button without the brake pedal pressed, will still allow the 'Service Required' warning message to be displayed. In addition, the latest Powertrain Control Module (PCM) software has introduced a concern relating to the ability to reset the service message indicator. The latest IC software will rectify these concerns.

Owners of these vehicles have filed 42 complaints in the transmission category.

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