# Service bulletin B640621

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.

- Type: Service bulletin
- NHTSA id: 10201145
- Published by NHTSA: 2021\-09\-07
- Manufacturer's number: B640621
- Manufacturer's date: 2021\-07\-01
- NHTSA component: EQUIPMENT: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

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10201145-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10201145-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Equipment and accessories, Heating and air conditioning

## Vehicles listed

- 2020 to 2021 BMW 228I
- 2014 to 2021 BMW I3
- 2020 to 2021 BMW M235I
- 2016 to 2021 BMW X1
- 2016 to 2017 BMW X1 SAV
- 2018 to 2021 BMW X2

## Recalls for the same vehicles and component

- [18V652000](/recalls/nhtsa/18V652000.md), 2018-09-20: EQUIPMENT:ELECTRICAL

## Other bulletins for the same vehicles and component

- [B610524](/bulletins/10249032.md), 2024-02-01, Service bulletin: EQUIPMENT:ELECTRICAL:INFOTAINMENT; ELECTRICAL SYSTEM. The Central Information Display goes black intermittently due to resets of the Head Unit \(HU\-H3\). FaultB7F8F9 â“ âHU\-H: Resetâ will be stored in the HU\-H3.
- [B653423](/bulletins/10245422.md), 2023-12-06, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM. Customers may state that the alarm system \(DWA\) is not active after locking their unoccupied vehicle. Depending on the vehicle’s equipment and settings, no acoustic or optical confirmation \(folding the mirrors/blinking confirmation\) is noticeable. Additionally, the red anti\-theft alarm LED in the interior mirror does not briefly flash every 2 seconds, indicating the alarm is armed.
- [B612723](/bulletins/10245377.md), 2023-12-06, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT. When using the Key Reader to retrieve CBS information from the customer key, no current vehicle data is available, or the data does not match the maintenance schedule.
- [B652823](/bulletins/10242874.md), 2023-10-01, Service bulletin: EQUIPMENT. Customers may be experiencing one or more of these following issues with Bluetooth operation: Bluetooth cannot be switched on or off in the head unit \(HU\-H4\) Paired mobile devices cannot be deleted Customer is unable to make phone calls or stream music with mobile device Customer is unable to connect a new mobile device via Bluetooth Mobile device does not automatically reconnect via Bluetooth in the next drive cycle \(after short sleep cycle\)
- [B120323](/bulletins/10239601.md), 2023-07-24, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. BMW AG has issued a Delivery Stop effective June 6, 2023 on certain Model Year 2023 \- 2024 BMW vehicles that were produced between October 26, 2022 and May 8, 2023.
- [B841422](/bulletins/10235206.md), 2023-05-01, Service bulletin: LANE DEPARTURE:LANE KEEP:NAVIGATION SYSTEM/SOFTWARE; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM\(GLOBAL POSITIONING SYSTEM\). Customer is shown an incorrect GPS location in the vehicle \(i.e., Nav Map, coordinates\).
- [B840822](/bulletins/10235205.md), 2023-05-01, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM. The 3G network in the US has been shut down. This means that only the 4G network will be available. In the 4G network, voice calls will be transferred via the Voice over LTE \(VoLTE\) function. For this purpose, the SIM card must perform an IMS registration in the mobile communication network. Due to a production error, the telematics control units were delivered without an IMS configuration. The Connected Drive voice services \(Concierge Call, BMW Assistance, and emergency call voice\) can no longer be used regionally in the US in vehicle with telematics control units ATM\-1 and TCB\-4G. Voice control of the vehicle and all other telephone \(paired mobile devices\) functions are not affected. Emergency call location data is unaffected.
- [B651623](/bulletins/10235203.md), 2023-05-01, Service bulletin: EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Customer states there is no audio playback \(telephony, navigation, radio\) and system sounds \(PDC, turn indicators, acoustic signals\) may also have failed.
- [B841422](/bulletins/10230740.md), 2023-01-30, Service bulletin: EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM\(GLOBAL POSITIONING SYSTEM\). Customer is shown an incorrect GPS location in the vehicle \(i.e., Nav Map, coordinates\).
- [B651622](/bulletins/10227928.md), 2022-12-19, Service bulletin: EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. The Sirius\(r\) Satellite Radio is inoperative.

JSON: [/v1/bulletins/10201145](/v1/bulletins/10201145)

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