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Service bulletin M640221

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 id10201152
Published by NHTSA2021-09-07
Manufacturer's numberM640221
Manufacturer's date2021-07-01
NHTSA componentEQUIPMENT:APPLIANCE:AIR CONDITIONER

NHTSA's summary

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.

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

Equipment and accessories, Heating and air conditioning

Vehicles listed
MINI CLUBMAN2017
MINI COOPER2014 to 2021
MINI COOPER S2014 to 2017
MINI COOPER S2019 to 2021
MINI COOPER SE2021
MINI JCW CONVERTIBLE2017 to 2018
MINI JCW CONVERTIBLE2021

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
SIM0103172022-07-05. Service bulletin. Mini - Dangerous goods (DG) part return program - The warranty department together with labelmaster has established a process for shipping claim-related "return requested" parts which asre classified as "Dangerous Goods" (DG)
M3601192022-01-24. Service bulletin. New RDC wheel electronics will be introduced with future generation MINI models. The new wheel electronics are identified as Huf Generation 5. These new wheel electronics will need to be programmed using the new tool when replaced or when depressurized (0 psi) for more than 2 minutes.
M6510152021-12-13. Service bulletin. The Headunit High (HU-H), also called NBT came in vehicles with option 609. This uses map North America NEXT. The Headunit High 2 (HU-H2), also called NBT-EVO, superseded the NBT HU and came in vehicles with option code 609. This uses map North America EVO. The ENTRY Media/Navigation (HU-B) is the low line business version of the navigation system and came in vehicles with option 6UM. This uses map North America ROUTE. The ENTRY NAV EVO (HU-B2) replaced Entry Media/Navigation as the low-line business version and came in vehicles with option code 609 or 6NP . This uses map North America WAY.
M3101152021-08-09. Service bulletin. A groaning and/or squeaking noise from the front axle occurs when turning at low speeds or idle
M5201192020-12-21. Service bulletin. NOISE DURING FORWARD / BACK SEAT ADJUSTMENT OVER THE ENTIRE LENGTH OF TRAVEL: A loud screeching noise can be heard from the front driver's or passenger's seat during forward/back seat adjustment.
M6402202020-11-23. Service bulletin. CONDENSATION FROM AIR CONDITIONING LEAKS INTO PASSENGER FOOTWELL: Condensation from the air conditioning systems evaporator drips, below the instrument panel, into the passenger's footwell. During assembly, the cover of the fresh air intake was not fully seated when the screws were tightened. This cover can then leak condensation out through the existing gap.
M6401202020-11-23. Service bulletin. BUZZING NOISE IS HEARD WHEN AIR CONDITIONING IS DEACTIVATED: A buzzing noise is heard when the air conditioning (A/C) is deactivated while the vehicle is in park or neutral. Prior to turning off the A/C, the system was functional and cooling properly. A/C compressor, or The power supply to the A/C compressor is too low.
M6402202020-11-16. Service bulletin. CONDENSATION FROM AIR CONDITIONING LEAKS INTO PASSENGER FOOTWELL: Condensation from the air conditioning systems evaporator drips, below the instrument panel, into the passenger's footwell. During assembly, the cover of the fresh air intake was not fully seated when the screws were tightened. This cover can then leak condensation out through the existing gap.
M6401202020-11-16. Service bulletin. BUZZING NOISE IS HEARD WHEN AIR CONDITIONING IS DEACTIVATED: A buzzing noise is heard when the air conditioning (A/C) is deactivated while the vehicle is in park or neutral. Prior to turning off the A/C, the system was functional and cooling properly. A/C compressor, or The power supply to the A/C compressor is too low.
M6602202020-08-31. Service bulletin. KAFAS (CAMERA-BASED DRIVER ASSISTANCE SYSTEMS) LIMITATIONS: KAFAS camera-based assistance system (without radar) is not operating up to customer expectations. Customers can report system errors such as: Vehicle equipped with camera-based ACC, brakes without apparent reason and then does not accelerate When ACC is active, the vehicle does not brake, although it is obvious it should brake; or it even accelerates KAFAS system deactivates independently, due to system limitations that are not clear to the customer KAFAS system cannot be activated due to system limitations that are not clear to the customer When accelerating from a standstill, the vehicle does not automatically start in "Follow mode" Road signs are sporadically not detected Lane departure warning sporadically fails to function For the situations described in this service information bulletin that pertain to normal system limitations, ISTA diagnosis does not show any relevant fault codes stored.