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NHTSA ID Number: 10185717
Manufacturer Communication Number: PIC6423
Summary
This Preliminary Information communication requests information from the technician about vehicles that may have Bluetooth or phone projection issues. Dealer should request as much information from the customer on the concern as possible and fill in the questionnaire.
16 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
BUICK | ENCORE GX | 2021 |
| CADILLAC | CT4 | 2021 |
| CADILLAC | CT5 | 2021 |
| CADILLAC | ESCALADE | 2021 |
| CADILLAC | XT5 | 2021 |
| CADILLAC | XT6 | 2021 |
| CHEVROLET | BLAZER | 2021 |
| CHEVROLET | COLORADO | 2021 |
| CHEVROLET | MALIBU | 2021 |
| CHEVROLET | SILVERADO 1500 | 2021 |
| CHEVROLET | SUBURBAN | 2021 |
| CHEVROLET | TAHOE | 2021 |
| GMC | ACADIA | 2021 |
| GMC | CANYON | 2021 |
| GMC | SIERRA 1500 | 2021 |
| GMC | YUKON | 2021 |
SEOCONTENT-START
Bulletin No.: PIC6423
Published date: 12/8/2020
Preliminary Information
PIC6423 Bluetooth and Phone Projection Worksheet and TAC
Template for Service Consultants and Technicians
Models
| Brand: | Model: | Model Years: | VIN: | Engine: | Transmissions: | |
| from | to | |||||
| Buick |
Encore GX | 2021 | All | All | All | All |
| Cadillac |
CT5 | 2021 | All | All | All | All |
| Cadillac |
Escalade | 2021 | All | All | All | All |
| Cadillac |
CT4 | 2021 | All | All | All | All |
| Cadillac |
XT5 | 2021 | All | All | All | All |
| Cadillac |
XT6 | 2021 | All | All | All | All |
| Chevrolet | Blazer | 2021 | All | All | All | All |
| Chevrolet | Colorado | 2021 | All | All | All | All |
| Chevrolet | Malibu | 2021 | All | All | All | All |
| Chevrolet | Silverado | 2021 | All | All | All | All |
| Chevrolet | Suburban | 2021 | All | All | All | All |
| Chevrolet | Tahoe | 2021 | All | All | All | All |
| GMC | Acadia | 2021 | All | All | All | All |
| GMC | Canyon | 2021 | All | All | All | All |
| GMC | Sierra | 2021 | All | All | All | All |
| GMC | Yukon | 2021 | All | All | All | All |
| Involved Region or Country | North America |
| Additional Options (RPO) | With Infotainment system IOR, IOS, IOT, IOU, IOV |
| Condition | This document serves as an aid for what information service consultants and technicians should gather from both the customer and the vehicle before and during the diagnosis of any Bluetooth or Phone Projection concerns, including
Android Auto and Apple CarPlay. If you determine it is necessary to contact GM TAC for Bluetooth or Phone Projection concerns, including Android Auto and Apple CarPlay concerns, please include the Bluetooth or Phone Projection TAC Template in your TAC DCM case. The template is located below the Diagnostic Aids. |
Correction:
Service Procedure
If you experience a Phone Projection issue
- Use these steps to determine if the device is connected over Android Auto, Apple CarPlay, or Bluetooth:
- Steps:
- Open Settings.
- Select System.
- Select Phones.
- The Connected device list shows which connection method is being used. -Android Auto connection
-Apple CarPlay connection
-Bluetooth connection (no connection type listed, just “Outgoing and Incoming calls” or “Incoming calls”) e. If you are still not sure, please take a picture and upload to TAC case through DCM.
- If the connection is Android Auto or Apple CarPlay, note if it is wired or wireless. You can confirm its wired projection:
- Please check Device OS version and app version. (these steps will vary by phone manufacturer and OS version)
- If its an Android Auto issue. Device type. (e.g.: Galaxy 10+) b. Android OS version:
- Open the Settings app.
- Select About Phone.
- Select Software information.
- Android version shows the version of Android running on the device.
Android Auto version:
- Open the Settings app.
- Select Apps.
- Select Android Auto.
- At the bottom of the screen is the app version. (e.g.: Version 5.4.502264-release) If its a CarPlay issue.
- Device version. (e.g.: iPhone7, iPhone XR)
- iOS version:
- Enter phone Settings.
- Select General.
- Select About.
- Software Version shows the iOS version.
- Please check if its vehicle Demo Mode. (not applicable to RPO IOR)
Cadillac shown, Buick, Chevrolet and GMC similar.
If you experience a wireless CarPlay connection issue:
- Please check if its a newly paired device or reconnection of existing device.
- Reboot the phone and see if the concern continues.
Important: If you experience an audio quality issue, with any connection method, here are some additional checks
- Does the concern happen when parked or only when driving? If so pleased record the location
- If the issue is with music streaming:
- Which music service/app has the concern?
- Is it happening with music stored on the device or streaming from the app?
- If streaming, is the device connected to the vehicle WiFi hotspot or using its own data connection?
- What is the cellular signal strength of the device providing the data connection?
- Is the issue involving a phone call? If so what is the cellular network strength? Diagnostic Aids
- Wireless projection is connected via WiFi. If the vehicle passes a WiFi interference area, audio quality and latency issues can be observed.
- Bluetooth is required to reconnect. The vehicle connects to the phone with Bluetooth then makes the WiFi connection.
Bluetooth or Phone Projection TAC Template
- Which connection method is being used?
- If the connection is Android Auto or Apple CarPlay? (wireless /wired):
- Android OS version – b. Android Auto version – c. iOS version –
- Is it in vehicle Demo Mode? (not applicable to RPO IOR) (Y/N)
If you experience a wireless CarPlay connection issues:
- Is it newly paired or reconnected device?
- Does concern continue after device Reboot? (Y/N)
For audio quality concerns:
- Does it happen when parked or driving? If so record the location.
- If the issue is with music streaming:
- Which music service/app has the concern?
- Is it happening with music stored on the device or streaming from the app?
- If streaming, is the device connected to the vehicle WiFi hotspot or using its own data connection?
- Record the cellular signal strength of the device providing the data connection. (# of bars) –
- Is this issue is involving a phone call? If so record the cellular signal strength. (# of bars) –
Version History
| Version | 1 |
| Modified | 12/08//2020 – Created on. |
SEOCONTENT-END
1 Associated Document
Manufacturer Communications
Bulletin No.: PIC6423
Published date: 12/8/2020
MC-10185717-9999.pdf 104.012KB
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Bestseller No. 1
Twelve South AirFly SE | Bluetooth Wireless Transmitter/Adapter for AirPods/Wireless or Noise-Cancelling Headphones; use on Airplanes and Gym Equipment, 20+ hr Battery Life
- Wireless Freedom - Say goodbye to tangled cords with the Twelve South AirFly. Listen to audio from in-flight entertainment, gym equipment, gaming devices, or any 3.5mm audio jack to your AirPods, earbuds, or wireless headphones.
- Extended Battery Life - Enjoy uninterrupted audio for over 20 hours on a single charge, perfect for long-haul flights. Plus, the AirFly can be used while charging with the included USB-C cable, ensuring you never run out of battery life.
- Compact and Portable - Designed for convenience, the Twelve South AirFly is lightweight and easy to carry, making it an essential travel accessory for anyone who values comfort and high-quality audio on the go.
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1Mii Bluetooth 5.3 Transmitter Receiver for TV to Wireless Headphones, Dual Link AptX Adaptive/Low Latency/HD Audio, Aux Adapter for Home Stereo, Airplane, Boat, Gym
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- Aptx Low Latency: With advanced aptx low latency technologies, it can deliver up 80% lower latency. Whether you are playing video games or watching movies, you'll experience high quality sound without audio and video to be out of sync issue.
- 2-in-1 Transmitter and Receiver: In tx mode, it is very easy to turn a non-bluetooth tv, pc, gym/flight equipment into bluetooth transmitter. In rx mode, it can make music stream to those speakers/car/home stereo systems which without bluetooth.
- Wide Compatibility: 1Mii bluetooth audio adapter supports the devices with 3.5mm aux/2RCA audio jack.
- Long Battery Life: 1Mii bluetooth receiver for home stereo deliver 12 hours in transmitter mode and up to 15 hours in receiver mode, all on one charge.
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- [TYPE-C & QC USB CHARGER] This FM transmitter Bluetooth fits a 12V/24V car cigarette socket. It can fast charge two devices simultaneously via the USB-C (PD3.0) port and QC3.0 USB port. The USB-C Port can fast-charge devices compatible with Samsung, iPhone, and Google from 0 to 50% in half an hour. The Quick Charge 3.0 USB Port can charge devices from 0% to 80% within 35 minutes.
- [CAR RADIO ADAPTER &MUSIC PLAYER]The Bluetooth radio transmitter connects the car radio via the FM channel. Then you can enjoy music from Bluetooth devices/TF card(≤64GB) /USB flash drive(≤64GB) to the car radio.
- [SAFE TO USE]This FM transmitter Bluetooth for cars has built-in over-current, over-voltage, and short-circuit protection, effectively preventing multiple problems. Worry-free 12-month.
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Avantree Relay - Premium Airplane Bluetooth 5.3 Adapter, Supports 2 AirPods or Headphones with aptX Adaptive, 3.5mm AUX Jack Wireless Audio Transmitter for Planes, Airline, Travel, TV
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- [APTX SUPPORT] With aptX-Adaptive codec support, the Relay transmits high-quality audio when used with applicable listening devices. The Relay also utilizes Bluetooth 5.3 technology for stable, reliable connections.
- [LISTEN TOGETHER] The Relay’s intuitive LEDs allow you to easily connect up to two devices and share the audio with a friend while you fly.
- [LONG BATTERY LIFE] A battery life of up to 20 hours provides sufficient battery life to last throughout your air travels.
- [EASY CONTROLS] Adjust the volume, pair, reconnect, clear pairing history, and show battery level with the Relay’s built-in controls. Monitor your connections and battery levels with its convenient LED indicators.
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Nulaxy 54W Bluetooth 5.3 Car Adapter with 4 Charging Ports [PD 36W & QC3.0 18W], Wireless Radio FM Transmitter with Deep Bass Player & 5 Colors LED Backlit, Hands-Free Calling, Black
- 54W High Power Fast Charging, 4-Port Synchronous Charging: Nulaxy Bluetooth car adapter integrates PD36W and QC18W, offering a high-speed and efficient charging solution. Its innovative four-port design supports parallel charging of multiple devices, effortlessly overcoming battery anxiety and enhancing charging efficiency.
- Technological Leadership, Revolutionary Bluetooth 5.3: The iphone fm transmitter for car radio uses the latest Bluetooth 5.3 technology, significantly improving connection speed and data transmission efficiency. Enhanced sound quality ensures rapid and stable connections, providing a clearer, smoother experience for both calls and music playback.
- Stunning Bass, Colorful Lighting Effects: One-touch activation of stunning bass effects reproduces the true texture of music, offering an unparalleled musical experience. The five-color lighting design provides accurate perception at night, ensuring easy and safe operation, making nighttime driving more relaxed.
- Voice Commands and Precise Touch Control: Our bluetooth cigarette lighter adapter supports smart voice navigation from your phone for truly hands-free driving. Its unique raised button design provides precise, sightless control, ensuring safety and convenience while driving.
- Comprehensive Safety Assurance and Wide Compatibility: FM modulator bluetooth for car provides all-around safety protection, including over-current, over-voltage, overheating, and short-circuit protection, ensuring the safety of you and your devices. Its wide compatibility supports 12V to 24V vehicle voltages, suitable for most cars. Nulaxy continues to innovate, offering industry-leading car Bluetooth adapter that ensure safety and compatibility. (Please compare the size between the transmitter and your car cigarette lighter )
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Ankilo Aux Bluetooth Adapter for Car, Bluetooth 5.0 Transmitter Receiver, Portable Wireless Adapter, 2-in-1 Aux Audio Receiver for Laptop, Radio, Headphones, Speakers, TV
- Bluetooth 5.0 and Stable Connection: The Aux Bluetooth Adapter for Car can receive Bluetooth signal within 10 meters, lossless music playback and stable call signal, so you can have a pleasant music environment while driving
- Super Battery Life: This Bluetooth 5.0 Transmitter Receiver has a very long battery life, built-in 250 mAh battery, can last 6 hours of use, standby 60 days, using the USB port charging, fully charged in just 2h, can be used while charging, flexible use
- Compact And Convenient: Product size 64*37*12 mm, weight 11 g, compact size, easy to carry, accept/transmit two-in-one, can be converted with one key; You can easily carry this Portable Wireless Bluetooth Adapter with you for car
- Lossless Sound Quality: This Bluetooth adapter supports A2DP,AVRCP,HFP,HSP and other specifications of audio resolution, using CVC energy noise reduction technology to remove noise, clearer sound quality, so you can enjoy the lossless sound quality of music; Also can convert non-Bluetooth devices to Bluetooth devices for wireless connection, suitable for cars, speakers, stereo systems and headphones
- Easy to Operate: This Wireless Bluetooth Adapter connects to the AUX port of other devicess and talk or listen to music through Bluetooth connection; just press the power switch to answer/hang up the phone, play/pause music, and also support volume adjustment and song switching
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Syncwire Bluetooth 5.4 FM Transmitter Car Adapter 48W (PD 36W & 12W) [Light Switch] [HiFi Bass Sound] [Fast Charging] Wireless Radio Music Adapter LED Display Hands-Free Calling Support USB Drive
- [Humanized Ambient Light Switch Design] - Indulge in a delightful driving experience with our trendy rainbow light design. Immerse yourself in fun while having the convenience of easily turning off the light by double pressing the red "B" button when not needed. Enjoy the captivating ambiance of the rainbow lights and have full control over your driving atmosphere.
- [Upgraded Bluetooth 5.4 Technology] - The latest Bluetooth 5.4 technology, optimizing the transmission delay and connection defect problems, Bluetooth 5.4 will bring you a faster, more stable and smarter connection with less sound quality loss, uninterrupted calls and music experience. It takes only 1 second to complete pairing, and no need to repeat pairing after the first successful pairing with your device.
- [Intelligent Dual USB Ports & Fast Charging] - Coming with 2 USB ports(PD 36W and USB A 12W), can charge two devices simultaneously. Built-in over-current protection, over-voltage protection, intelligent temperature control, short circuit protection, it will effectively ensure safe charging.
- [Great Clear Music Streaming] - Bluetooth 5.4 provides a stable connection, while Noise Suppression (CVC) technology and echo-cancellation grant an amazing hands-free calling experience. In addition, this Bluetooth car adapter supports Bluetooth connection and USB stick connection (≤64GB).
- [Hi-Fi Deep Bass & Backlit] - Just press the button "B" and you will enjoy powerful deep bass and immersive stereo sound. The high-fidelity Hi-Fi sound quality will also make the music more dynamic and pleasing to the ear, taking your passion for music to a new level.
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LENCENT FM Transmitter Car Bluetooth Adapter, Wireless Radio Music Adapter Car Kit with 2 USB Charging, Audio Receiver Car Charger MP3 Player, LED Display Hands-Free Calling Support U Disk & TF Card
- Crystal Clear Music Streaming: LENCENT T25 is anti- statics designed, and equipped with noise and wind suppressed by CVC technology that can achieve full duplex sound quality. You can stream music on your car stereo via Bluetooth/ USB Flash Drive (≤32GB) / microSD Card (≤32GB). WMA MP3 WAV APE FLAC music formats are all supported.
- Intelligent Dual USB Ports & Safe Charging: Coming with 2 USB ports(5V-2.4A and 5V-1A), you can charge two devices simultaneously. Built-in over-current protection, over-voltage protection, intelligent temperature control, short circuit protection, it will effectively ensure safe charging.
- Hands-Free Calling & Voice Navigation: Bluetooth provides a stable connection, while Noise Suppression (CVC) technology and echo-cancellation grants an amazing hands-free calling experience. Besides, you can also get clear voice navigation from your phone’s app, which means driving will be more safely.
- Car Battery Voltage Detection & Blue Ambient Light: The FM transmitter will display car’s voltage when plugged into the cigarette lighter. Keep abreast of car battery health at all times to avoid problems when driving. With the circle of blue backlight around this car charger, it will greatly simplify your operation for safer driving. (Please compare the size between the transmitter and your car cigarette lighter )
- Wider Range & Compatibility: This Bluetooth transmitter is well compatible with most of the smartphones and more devices that equipped with bluetooth function. It will automatically connect to its memorized paired Bluetooth device when power on. Also, with the wider range from 88.1MHz - 107.9 MHz, you can get more stable and consequent music experience without interference
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Bluetooth Transmitter Receiver for TV, Audio Adapter for Home Stereo with RCA 3.5mm AUX & Display, Bluetooth Transmitter for Headphones/Speakers/Airplane/Home Theater/PC/Car, TF Card Output
- Bluetooth Audio Adapter: This Bluetooth transmitter receiver can add Bluetooth functionality to your device, allowing you to enjoy wireless audio on devices that previously did not support Bluetooth(such as TV/PC/gaming device/mp3/mp4, vintage stereo, home stereo, speakers, car stereo). You will be able to enjoy the convenience of the Bluetooth feature but not have to replace them.
- 2-In-1 Bluetooth Transmitter Receiver: In transmitter mode(Tx), the Bluetooth adapter is plugged into an audio source such as a TV/PC/MP3/MP4 player and transmits audio to Bluetooth headphones/speakers. In receiver mode(Rx), Bluetooth audio adapter can receive audio from a phone/tablet and play music on a wired speaker/stereo.
- RCA & AUX to Bluetooth, TF Card Play: This Bluetooth audio transmitter receiver not only supports RCA(L/R) & 3.5mm(AUX) audio output, but also allows you to insert a TF card into the Bluetooth audio receiver(in receive mode), and then just turn on the speakers and let the music flow. Plug and play, easier to use.
- Practical LCD Screen & Easy to Use: Makes your operation more intuitive and easier: The Visual screen shows you which mode this Bluetooth adapter is in, the pairing status, the name of the connected device, the volume, etc. you will not connect by mistake.
- Portable Size Bluetooth Adapter: This Bluetooth receiver & transmitter is smaller and more portable. Working range up to 33ft, not limited by wires. Support Devices: Home stereo, speakers, headphones, earbuds, audio music streaming sound systems, car stereo systems, TVs, PCs, projectors, MP3, MP4, etc.
SaleBestseller No. 10
Bluetooth Transmitter Receiver, 2-in-1 Bluetooth 5.4 Adapter for TV, Airplane, Gym Equipment, Cars, PC, Supports to 2 Wireless Headphones, Cell Phones, Wireless Receiver for Car, Home Stereo- Black
- 2-in-1 Bluetooth Transmitter & Receiver: Enjoy seamless TX & RX dual-mode functionality with one device. In TX mode, connect non-Bluetooth devices like TVs, gaming consoles, and in-flight entertainment to Bluetooth headphones or speakers. In RX mode, upgrade wired home/car stereos or speakers to wireless. With one-button mode switching, experience smooth and effortless operation for all your audio needs.
- Bluetooth 5.4 for Stable & High-Fidelity Sound: Powered by Bluetooth 5.4, this Bluetooth adapter delivers a faster, more stable connection with low-latency transmission for smoother audio syncing. Ideal for watching TV, playing games, or enjoying wireless music, it offers an extended range of up to 33 ft (10m), ensuring a strong and uninterrupted signal.
- Dual Device Pairing – Share & Switch with Ease: Connect two Bluetooth devices simultaneously for added flexibility. Pair with two headphones to share a movie or music with a friend, or connect to two smartphones for easy audio switching. Works with TVs, gaming devices, gym equipment, laptops, home/car stereos, and more, making it the perfect universal Bluetooth adapter for everyday use.
- Compact & Travel-Ready with Universal Compatibility: Designed for convenience, this lightweight and pocket-sized Bluetooth transmitter receiver fits easily into your bag for travel or daily use. Compatible with TVs, PCs, headphones, speakers, car audio systems, and airplane entertainment, it connects via 3.5mm AUX and RCA cables, ensuring wide compatibility without complicated setups.
- Long Battery Life & Effortless Operation: Enjoy up to 24 hours of continuous use on a single charge. The Type-C fast charging gets you back to full power in just 2 hours. Featuring intuitive button controls and auto-pairing technology, this Bluetooth audio adapter ensures a hassle-free experience every time.
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