TSB M170912 — Mini Service bulletin
M170912 is a service bulletin on file with NHTSA for the Mini Cooper, 2011–2013 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. "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…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years M170912 names
| Vehicle | Model years |
|---|---|
| Mini Cooper | 2011, 2012, 2013 |
Every document filed under M170912
| Document ID | Filed | Type |
|---|---|---|
| M170912 | July 12, 2019 | Service bulletin |
What M170912 covers
Engine — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB M170912?
M170912 is a service bulletin filed with NHTSA by Mini, covering the Mini Cooper across the 2011–2013 model years. NHTSA's summary reads: "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…
Which vehicles does M170912 cover?
NHTSA's file names Mini Cooper (2011–2013). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.
Is TSB M170912 a recall, and is the repair free?
No. M170912 is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.
How do I get the full text of M170912?
Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under M170912, its date, and NHTSA's own summary from the public file.
Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under M170912. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.