TSB M640221 — Mini Service bulletin

M640221 is a service bulletin on file with NHTSA for the Mini Cooper, 2014–2016 model years, filed and re-filed as 2 documents. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. Different air temperatures are felt from left to right out of the front fresh air grilles (air vent). The following fault code is saved in the IHKA (integrated automatic heating/air conditioning system) control unit: 801189 - Engine mixed air right: Initialization fault.

NHTSA's own summary of the document, quoted from the public manufacturer-communications file.

2Documents filed
1Vehicle named
3Model years

Vehicles and model years M640221 names

VehicleModel years
Mini Cooper 2014, 2015, 2016

Every document filed under M640221

Manufacturers re-issue a bulletin as the repair changes, and file separate copies for technicians and for owners. All of them carry the same number.

Document IDFiledType
M640221 September 1, 2021 Service bulletin
M640221 July 1, 2021 Service bulletin

What M640221 covers

Engine, Electrical — the component vocabulary NHTSA files this communication under.

← All Mini Cooper TSB years TSB lookup by model

Questions buyers ask

What is TSB M640221?

M640221 is a service bulletin filed with NHTSA by Mini, covering the Mini Cooper across the 2014–2016 model years. NHTSA's summary reads: Different air temperatures are felt from left to right out of the front fresh air grilles (air vent). The following fault code is saved in the IHKA (integrated automatic heating/air conditioning system) control unit: 801189 - Engine mixed air right: Initialization fault.

Which vehicles does M640221 cover?

NHTSA's file names Mini Cooper (2014–2016). 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 M640221 a recall, and is the repair free?

No. M640221 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 M640221?

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 M640221, its date, and NHTSA's own summary from the public file.

Data updated 2026-08-20 from NHTSA's public records

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 M640221. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.