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Service bulletin M170512

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10152362
Published by NHTSA2018-12-17
Manufacturer's numberM170512
Manufacturer's date2013-09-01
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's 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."

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine

Vehicles listed
MINI COOPER2014
MINI COOPER COUNTRYMAN2011 to 2013
MINI COOPER S2014
MINI COOPER S COUNTRYMAN2011 to 2012
MINI COUNTRYMAN2014

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
M0102182019-05-20. Service bulletin. N18 THERMOSTAT WITH THERMOSTAT HOUSING: LIMITED WARRANTY EXTENSION TO 10 YEARS/ This Service Information bulletin supersedes SI M01 02 18 dated May 2018.
M1702132018-12-03. Service bulletin. "PERFORM THE PROCEDURE OUTLINED IN THIS SERVICE INFORMATION ON ALL AFFECTED VEHICLES BEFORE CUSTOMER DELIVERY OR THE NEXT TIME THEY ARE IN THE SHOP FOR MAINTENANCE OR REPAIRS. SUBJECT Service Action: Retrofit of Engine Coolant Temperature Sensor. Internal corrosion can 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 can lead to difficulty in the engine starting and/or a ""Service Engine Soon"" lamp being illuminated."
M1101122018-12-03. Service bulletin. The customer states that a small engine oil leak can be seen from the underside of the engine. CAUSE The internal sealing of the oil pump volume control solenoid valve is compromised, allowing engine oil to leak from the oil pump volume control solenoid.
M1108152018-11-13. Service bulletin. Surface Cracks on the Water Pump Drive Pulley. During a repair, service or inspection, the drive pulley on the water pump shows signs of cracking. No part replacement is necessary unless there is another issue found that will be corrected by replacing the drive pulley.