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December 1, 2012 Service bulletin

Service Action: Retrofit of the Engine Coolant Temperature Sensor

MINI technical service bulletin M170612 for 2011-2013 MINI Cooper, 2007-2013 MINI Cooper S and 2009-2012 MINI Cooper S Convertible and others.

Bulletin number
M170612
Component
Engine and engine cooling
Summary
"Service Action: Retrofit of the Engine Coolant Temperature Sensor. Internal corrosion could form in the engine coolant temperature sensor. This corrosion leads to internal bridging of the contacts, which can cause an inaccurate engine temperature reading. This false reading could lead to difficulty in the engine starting and/or a ""Service Engine Soon"" lamp being illuminated."

Owners of these vehicles have filed 559 complaints in the engine category.

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