# Service bulletin B620918

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: 10145345
- Published by NHTSA: 2018\-10\-09
- Manufacturer's number: B620918
- Manufacturer's date: 2018\-07\-01
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

HEAD\-UP DISPLAY DOES NOT WORK SPORADICALLY: Sporadically, the Head\-Up Display stops working, but function returns after a terminal change.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10145345-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10145345-0001.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2017 to 2018 BMW X5
- 2017 to 2018 BMW X6

## Recalls for the same vehicles and component

- [24V608000](/recalls/nhtsa/24V608000.md), 2024-08-13: ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS/RECEPTACLES; ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP

## Other bulletins for the same vehicles and component

- [B652925](/bulletins/11026967.md), 2026-01-05, Service bulletin: ELECTRICAL SYSTEM. After updating the vehicle software with ISTA,the Central Information Display \(CID\) willshow only “static”. There was no issue withCID operation before programming.
- [B010924](/bulletins/11015848.md), 2025-03-21, Warranty extension: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. The High\-Voltage \(HV\) Battery Assemblys Cell Modules Temperature Sensors \(Internal NTC repair kit\-specific\) limited warranty for defects in materials or workmanship has been extended to 10 years / 120,000 miles as determined from the original in\-service/first delivery date
- [B510819](/bulletins/10249437.md), 2024-02-01, Service bulletin: VISIBILITY:POWER WINDOW DEVICES AND CONTROLS; ELECTRICAL SYSTEM. The basic conditions for initializing the power windows are not met.
- [B611305](/bulletins/10249027.md), 2024-02-01, Service bulletin: ELECTRICAL SYSTEM. The electrical system of BMW vehicles has been subject to an ongoing development process over the last few years. This has led to increased demands being placed on the battery. This document covers important information for the dealer on how to handle “discharged battery” complaints.
- [B612723](/bulletins/10247578.md), 2024-01-03, Service bulletin: ELECTRICAL SYSTEM. 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.
- [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.
- [B651523](/bulletins/10238090.md), 2023-06-26, Service bulletin: ELECTRICAL SYSTEM. After programming the head unit \(HU\-H2\), activating the FSC \(German word Freischaltcode\) Enabling Codes repeatedly fails.
- [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.
- [B610120](/bulletins/10225115.md), 2022-10-31, Service bulletin: ELECTRICAL SYSTEM. Customer is unable to power up or charge accessories through a plug adapter inserted in the front 12\-volt power socket plug. Alternatively, it will only operate when constant downward hand pressure is maintained.

JSON: [/v1/bulletins/10145345](/v1/bulletins/10145345)

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