SYNC Gen 4 - Loss Of Bluetooth Pairing After A Key Cycle

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NHTSA ID Number: 10210804

Manufacturer Communication Number: SSM 50715

Summary

Some 2021-2022 Mustang Mach-E/F150/Edge/Nautilus vehicles equipped with SYNC Gen 4 may experience a loss of Bluetooth pairing after a key cycle after accessory protocol interface module (APIM) replacement and programming or a software update. This may be due to APIM software. To correct the concern: 1. Perform master reset via settings > general settings > reset > master reset. 2. Make sure customer device is up to date. 3. Reboot customer device. For claiming, use causal part -14G670- and applicable labor operations in Section 10 of the Service Labor Time Standards (SLTS) Manual.

APPLICABLE VEHICLES

2021 – 2022 CAR: DQ CD539N EDGE
2021 – 2022 TRUCK: FD P702N F150
2021 – 2022 CAR: D9 U540N MKX
2021 – 2022 CAR: GW CX727N C-EV

9 Affected Products

Vehicles

1 Associated Document

Manufacturer Communications

SSM 50715 – 2021-2022 Mustang Mach-E/F-150/Edge/Nautilus – SYNC Gen 4 – Loss Of Bluetooth Pairing After A Key Cycle

https://www.nhtsa.gov/recalls?nhtsaId=10210804

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COMSOON Bluetooth Receiver for Car, Noise Cancelling 3.5mm AUX Bluetooth Car Adapter, Wireless Audio Receiver for Home Stereo/Wired Headphones, Hands-Free Call, 16H Battery Life - Black+Silver

【Enjoy Wireless Streaming Music】This car Bluetooth adapter can be connected to non-Bluetooth car audio systems, home stereos, speakers, wired headphones via the 3.5mm AUX adapter; And equipped with a Bluetooth 5.0 chip for stable connection / fast transmission / wide signal range. Just pair it with your phone and start listening to your favorite music!
【Intelligent Noise Reduction Tech】Our Bluetooth audio receiver adopts the latest CVC8.0 Noise Cancellation and Digital Signal Processor (DSP) technologies, which can eliminate echo and block out intrusive background noise (such as wind, traffic, or crowds), providing you with crystal-clear calling sounds.
【Up to 16 Hours of Battery Life】The working time of this aux Bluetooth adapter is up to 16 hours when making calls or playing music. And it takes only 2.5 hours to fully charge the device by using a Type-C fast charging cable (Included in the package). In addition, this Bluetooth music adapter can be used while charging, which is very convenient.
【Hands-free Calling & Navigation】A built-in microphone and one “MFB” button to answer / redial / hang up / reject calls, help you make hands-free calls. And the Bluetooth audio adapter supports broadcasting voice notification from existed navigation App. You don’t have to look down the phone on the move. Make sure you drive safely!
【Dual Connection】The portable Bluetooth stereo adapter can be paired with 2 devices at the same time. You can enjoy your music and never worry about missing any calls. Once paired, the car receiver will automatically reconnect to your last paired Bluetooth devices, as long as they are within the wireless range.

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KAIY Bluetooth 5.3 Receiver for Home Stereo, Optical Low Latency & HD Music Audio Bluetooth to RCA Adapter for Stereo/Speakers/Wired Speakers/Home Audio Music Streaming Stereo System, Support AUX/USB

BLUETOOTH RECEIVER FOR HOME STEREO: Transform your home audio experience! Our Bluetooth receiver for home stereo is the perfect Bluetooth adapter for stereo receiver. It lets you stream music from your phone/tablet/laptop directly to your home stereo/old speakers/car stereo/projector. Whether you have a modern or old-fashioned setup, it's an ideal Bluetooth adaptor for old stereo.
MULTIFUNCTIONAL INTERFACE: This multifunctional Bluetooth adapter for speakers is a dream for audio enthusiasts. With RCA/3.5mm AUX/digital optical outputs and a USB port for USB flash drives, it's an all - in - one solution for your audio needs. As a Bluetooth receiver for speakers, it's compatible with 99% of speakers, ensuring high-quality sound.
BLUETOOTH 5.3 RECEIVER: Revitalize your aging stereo receivers with our Bluetooth adapter for old receiver, featuring Bluetooth 5.3. Enjoy super - fast reception and smooth, lag - free playback. This bluetooth receiver 3.5mm is great for upgrading your audio setup.
IMMERSIVE HIFI HD SOUND: Our Bluetooth to rca adapter, also known as a Bluetooth stereo adapter, uses the latest wireless codec to deliver immersive HIFI HD sound. Whether listening to classical or pop, experience audio at its best.
LONG RANGE WIRELESS CONNECTIVITY: The rca bluetooth adapter offers an impressive 33-foot wireless range, ensuring stable transmission. Move freely around your home without connection drops, perfect for those who want untethered music enjoyment.

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AKLLCCR Wireless Induction Audio Bluetooth Speaker 5in1 Phone Holder Emergency Rechargeable (3000mAh) with Colorful Ambient Light 300° Foldable for Tablet iPhone Android, Gifts for Men Women (Black)

[ Wireless Induction Audio Bluetooth Speaker ]: Is a perfect breakthrough from only being able to play through Bluetooth connection. Under Bluetooth mode, it adopts the latest Bluetooth 5.3 technology, with lower power consumption, faster transmission, stable signal and no delay. Under wireless induction mode, you can directly put your cell phone on the direct, through 1-3 seconds of signal induction, you can play normally, also has shocking sound effect, strong bass, tight mid-range, clear treble.
[Features a unique and fun 5-in-1 design]: A multifunctional device that combines wireless induction speaker, bluetooth speaker, charging, cell Phone Stand, and ambient light, with a built-in 5W power speaker that delivers high-definition stereo surround sound at any volume level for an enhanced audio experience. Our upgraded Bluetooth speaker comes with a USB port for charging in case of emergencies.
[Adjustable Stand]: The cell phone stand with wireless sensor/Bluetooth speaker is adjustable that rotate up to 300° horizontally and provides for different horizontal or vertical viewing angles, choose the most comfortable position to watch videos, free your hands, enjoy games, videos and Facetime hands-free and reduce the burden on your neck. It’s a sturdy phone holder as well, has added anti-slip design, including anti-slip base, back plate and groove with anti-slip silicone, which can avoid dropping your phone and use it with peace of mind.
[Colorful Ambient Light]: Bluetooth speaker with LED atmosphere lights has 6 monochrome light and 5 hybrid light modes, and the LED light show along the phone holder is bright and vibrant, lighting modes just add to the whole effect and beauty of this product in a super cool way. Playing in multiple different patterns as almost a soothing mode for watching movies or listening to something.
[Unique Cool Gadget Gifts]: Bluetooth speaker with cell phone stand is perfect For Men Women, Especially the hard-of-hearing elderly.It's small and convenient, the phone holder folds flat against the top of the speaker, is perfect for bedroom, office, camping, hiking, yoga, cooking and more, this cell phone stand has universal compatibility and can stably support most 4-13” smartphones, tablets and e-readers.

Bestseller No. 4

[Upgraded] 1Mii B06 Plus Bluetooth Receiver, HiFi Wireless Audio Adapter, Bluetooth 5.3 Receiver with 3D Surround aptX HD aptX Adaptive for Home Music Streaming Stereo System

【164FT LONG RANGE】With Class 1 Bluetooth technology, the 1Mii Bluetooth receiver can achieve a range of up to 164ft (50m) line-of-sight in open air and up to 50-70ft (20-30m) indoors(without obstacles).
【aptX HD & aptX AD & 3D SURROUND】It features Bluetooth 5.3 chip to ensure high fidelity Bluetooth audio signal for music streaming to those speakers or home stereo systems that doesn’t have the capability. It also supports aptX HD and aptX Adaptive. And the 3D audio can be switched on or off by pressing the “3D” button on the Bluetooth audio receiver. The green LED will be on when switched to 3D audio.
【POWER ON AND RECONNECT AUTOMATICALLY】When plugged into a power outlet, the Hi-Fi Bluetooth audio receiver can power on automatically and reconnect with the previously paired device.
【EASY SETUP, EASY TO USE】Easy plug, pair and play. This updated unit comes with a USB power adapter. Plug into computer speakers, home stereo systems or other speaker systems via the 3.5 mm or RCA cable, then pair with the Bluetooth audio devices such as smartphones or tablet. After that, you can enjoy the music. This product is a receiver only, NOT a transmitter.
【WORKS WITH VOICE COMMANDS】Connect this Bluetooth adapter to your speaker via a 3.5mm jack or RCA cable, pair the receiver with your Echo via Bluetooth on the Alexa app, it is easy to control your music with voice commands. Please make sure to use the audio cable to connect the Bluetooth receiver with your speaker, not with the Echo.

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esinkin Bluetooth Audio Adapter for Music Streaming Sound System, Wireless Audio Adapter Works with Smartphones and Tablets, Bluetooth Receiver for Home Stereo

Listen music wireless: Connect with computer speakers, home stereo systems or other speaker systems via the 3.5 mm or RCA cable, then pair with the Bluetooth audio devices such as smartphones or tablet for streaming music.
Easy setup and automatic reconnect: There is a big bluetooth symbol button in bluetooth receiver middle. Pair your bluetooth device to this adapter with a single button press. Click once means Start/Pause. Hold the botton 3 second mean ON/OFF. It can reconnect automatically with the previously paired device.
Wireless range: Indoors(without obstacles) connect rang up 30-40 ft (10-12 m).
Works with most device: Bluetooth enabled device including smartphones, tablets, computers, laptops upon and any powered PC speakers, home stereo systems and A/V receivers.
NOTE: This adapter doesn't have built-in battery, power by AC to DC power adapter or USB cable. This product is a bluetooth receiver ONLY, not a bluetooth transmitter. Only to give Bluetooth capabilities to an existing stereo / powered speaker / PA.

Bestseller No. 6

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High-Fidelity Stereo: Equipped with the latest Bluetooth v5.3 chipset, the 3.5mm Bluetooth adapter offers a 10m stable connection without delay. This car Aux Bluetooth adapter supports SBC codec, delivering clear, functional, and enjoyable sound—both for listening and for speaking.
Hands-Free Calling: Built-in with microphones, UGREEN Bluetooth car aux receiver allows you to enjoy phone calls with hands-free calling straight through the car's speakers. With the help of this compact Aux Bluetooth car kit, you don’t have to look down at the phone on the move. Have a safe journey!
Plug and Play: UGREEN 3.5mm Bluetooth Car Adapter is quite easy to use. Just plug it into the 3.5mm aux jack and power it by the USB port, no need to continually charge the battery! The Aux to Bluetooth adapter will automatically connect with your phone when you turn on the car. This Bluetooth car Aux adapter also can remember up to five devices and allows users to pair and share two devices at the same time without any trouble.
Durable and Portable: UGREEN Bluetooth Car Adapter is made of zinc alloy connectors, which enhanced the durability of Bluetooth 3.5mm adapter. With a 0.3M-1.5M premium TPE elastic cable, the car USB Bluetooth adapter will meet your needs on different occasions. The UGREEN Bluetooth kit will not take up extra space in your car as it's mini size.

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esinkin Wireless Audio Receiver for Music Streaming Sound System Works with Smart Phones, Tablets and Car, Wireless Adapter for Speakers

Listen music wireless:Stream your audio entertainment from your smart phone or tablet.Listen music through your perfect sound system from your smart phone or tablet with perfect sound quality.
Easy to setup: Simply pair your smart phone or tablet to the audio adapter with a single button press.
Works with most speakers: Plug the adapter into any A/V receivers and any powered speakers using standard RCA or 3.5mm jacks. This adater with AC plug and USB power cable, also can use for car audio system.
Long wireless range: Stream and control your music with a reliable connection from up to 15 meters 50 feet, 1 Year warranty.
Superior acoustics: Don’t compromise on sound delivers high-quality acoustics. This product is ONLY a receiver ,not a transmitter.

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Anker Soundcore 2 Portable Bluetooth Speaker with IPX7 Waterproof, 24-Hour Playtime, Wireless Stereo Pairing, 12W Stereo Sound, Bluetooth 5, Bassup, Electronics for Home, Shower, Outdoors, Travel

Outdoor-Proof Speaker: Portable design with IPX7 waterproof protection to safeguard against splashes, waves, and water vapor. Get incredible sounds at home, on camping trips, or for outdoor adventures.
24H Non-Stop Music: With Anker's world-renowned power management technology and a 5,200mAh Li-ion battery, the soundcore 2 speaker delivers a full day of great sound.
Powerful Sound: The speaker features 12W power with enhanced bass from dual neodymium drivers. An advanced digital signal processor ensures pounding bass and zero distortion at any volume.
Intense Bass: Our exclusive BassUp technology and a patented spiral bass port boost low-end frequencies to make the beats hit even harder. The soundcore 2 speaker delivers vibrant audio for home theater nights, beach parties, and sitting around a campfire.
Grab, Go, Listen: A classic design refined with simple controls and effortless portability. Easy to use and take anywhere, and supports wireless stereo pairing.

Bestseller No. 9

[Upgraded] 1Mii B06Pro Long Range Bluetooth Receiver, HiFi Wireless Audio Adapter, Bluetooth 5.1 Receiver with 3D Surround aptX HD Low Latency Optical RCA AUX 3.5mm Coaxial for Home Stereo System

【DUAL ANTENNAS&LONG RANGE】With dual antennas and class 1 Bluetooth technology, the 1Mii B06 Pro Long Range Bluetooth receiver can achieve a range of up to 197ft (60m) line-of-sight in the open air and up to 50-70ft (20-30m) indoors(without obstacles). NOTE: operation range can be affected by Wi-Fi routers or antennas on the stereo receiver, etc.
【APTX LOW LATENCY&HD&3D AUDIO】1Mii B06 Pro Bluetooth receiver for home stereo features Bluetooth 5.1 chip to ensure high fidelity Bluetooth audio signal for music streaming to speakers or home stereo systems that doesn’t have the capability. This Bluetooth adapter also supports aptX Low Latency and aptX HD. And the 3D audio can be switched on or off by pressing the “3D” button on the Bluetooth audio receiver. The green LED will be on when switched to 3D audio.
【VOLUME & TRACK ADJUSTMENT】Press the volume button on the 1Mii B06 Pro Bluetooth receiver to volume up and down. Press and hold the volume button for 2 seconds to do next or previous track. (NEW FUNCTION)
【OPT&AUX&COAXIAL, EASY SETUP】Easy plug, pair and play. Plug into computer speakers, home stereo systems or other speaker systems via the 3.5 mm, RCA, coaxial or optical cable, then pair the Bluetooth receiver with the Bluetooth audio devices such as smartphones or tablet. After that, you can enjoy the music. NOTE: This product is a receiver only, NOT a transmitter.
【WORKS WITH VOICE COMMANDS】Connect this 1Mii B06 Pro Bluetooth audio adapter to your stereo via a 3.5 mm, RCA or optical cable, pair the Bluetooth receiver with your Echo via Bluetooth on the Alexa app, it is easy to control your music with voice commands. Please make sure to use the audio cable to connect the Bluetooth receiver with your stereo, not with the Echo.

Bestseller No. 10

Daakro AK45 Stereo Audio Amplifier,300W Home 2 Channel Wireless Bluetooth 5.0 Power Amplifier System, Home Amplifiers FM Radio, USB, SD Card, with Remote Control Home Theater Audio Stereo System

【300W POWER】Daakro AK45 Digital Audio Amplifier Fully upgraded design, 300W+300W peak power and 40W+40W rated power, perfectly suitable for 4-16 inch passive speakers.This little BT amplifier which is perfect for karaoke, home theater, and acoustic sound systems. It's great for small apartments, bedrooms, offices, basements, and garages. Its compact size design fits easily into your bookshelf or A/V cabinets.
【Bluetooth 5.0 】Built-in bluetooth 5.0 core, no pop, no audible noise when Bluetooth connection is established, designed for the customers who pursue HiFi sound. (NOTE: Please keep the distance within 30ft/10m between the device and amplifier without any wall blocking. But if you are connecting whith TV or PC devices, please keep the distance within 15ft/5m.)
【USB 2.0/SD Card Input 】The sound amplifying mixer device features a USB/SD card input to support flash drives or SD card. Allows you to play your favorite audio files from your computer's media library when you connect it directly to the amp.
【Bass & Treble Control】Designed with volume, treble and bass control knobs for more delicate adjustment of the sound, much fun and high playability. Include controller for distant audio adjustments. Note: There is an isolation plastic sheet at the bottom of the remote control, which needs to be removed before use.
【Wide Application】Compatible with mobile phones, computers, tablets, laptops, etc. Recommended for home audio, computer game audio systems, tower speakers, garden speakers. The small and simple design is also suitable for car audio systems. (Note: AK45 is only for passive speakers, not for active speakers)

Last update on 2025-04-20 / Affiliate links / Images from Amazon Product Advertising API

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MAKE	MODEL	YEAR

FORD	EDGE	2021-2022
FORD	F-150	2021-2022
FORD	MUSTANG MACH E	2021-2022
LINCOLN	MKX	2021
LINCOLN	NAUTILUS	2021-2022

SYNC Gen 4 – Loss Of Bluetooth Pairing After A Key Cycle – 2021-2022 Ford & Lincoln

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