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NHTSA ID Number: 10184509
Manufacturer Communication Number: PIE0582A
Summary
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Head Up Display (HUD) being blank.
SEOCONTENT-START
Subject: Engineering Information – Head Up Display (HUD) Blank, DTC U1518 Set
Attention: Proceed with this EI ONLY if the customer has commented about this concern AND the PIE number is listed in the
Global Warranty Management / Investigate History link (GWM/IVH). If the customer has not commented about this
condition or the EI does not show in GWM/IVH, disregard the PIE and proceed with diagnostics found in published
service information. THIS IS NOT A RECALL — refer to Service Bulletin 04-00-89-053 for more details on the use of
Engineering Information bulletins.
This EI has been revised to add 2020-2021 XT4 and XT5. Please discard PIE0582.
Brand: Model: Model Year: VIN: Engine: Transmission:
from to from to
Cadillac
XT4 2020 2021 – – – –
XT5
XT6
Involved Region or Country North America
Additional Options (RPOs) Equipped with HEAD UP DISPLAY-WINDSHIELD (RPO UV6)
Condition Important: If the customer did not bring their vehicle in for this concern, DO NOT proceed with this EI.
Some customers may comment on the Head Up Display (HUD) is blank. They may also comment that the HUD
could become operational by changing the HUD dimming level or by an ignition cycle.
Technician may find DTC U1518 set.
Cause GM Engineering is attempting to determine the root cause of the above condition. Engineering has a need to
gather information on vehicles PRIOR to repair that may exhibit this condition. As a result, this information will be
used to “root cause” the customer’s concern and develop/validate a field fix.
Correction
If you encounter a vehicle with the above concern, perform the following steps and contact the engineer listed below with your findings.
Verify that DTC U1518 – Loss of communication with Head Up Display is stored in the instrument cluster.
• If the DTC is stored current or history, proceed with this Engineering Investigation PI, gather as much information as possible from the questions below, and
contact the GM Engineer to discuss next steps.
• If the DTC is not stored, then this Engineering Investigation DOES NOT apply. Refer to Head-Up Display Malfunction in SI for diagnostic procedures.
Please discuss the following six questions with the customer to gain details from their experience:
1. When did the condition occur? Example: at startup, after driving, note the driving conditions such as weather, road conditions, day/night, city/highway, etc.
2. Has the blank HUD condition occurred more than once?
2.1. Can the customer reproduce the condition with any specific actions or sequence of events?
3. What was customer doing when the condition occurred? Example: Use of steering wheel controls, HUD controls, adjusting or scrolling any Cluster Settings,
changing Drive modes (normal/sport)?
4. Does the blank HUD condition recover? If so, how is it recovered? Example: ignition cycle or change HUD dimming level.
5. Did customer notice if the instrument cluster went blank, or acted up in other ways before the HUD went blank?
6. Were the steering wheel controls exhibiting any issues around the same time the blank HUD condition occurred?
The remaining questions are for the dealer technician to answer PRIOR to contacting the GM Engineer.
1. With the vehicle running, is the condition of blank/no HUD image and a current DTC U1518 present or reproducible?
2. Record all DTCs, where they are stored, and their status (Current/History).
3. Contact the GM Engineer to provide answers to the questions above.
1
Contact Information
Please include the following information if leaving a message:
– Technician name
– Dealer name and phone number
– Complete VIN and repair order (R.O) number
On the repair order, document the date and time the call was placed (even if the engineer was not reached).
If engineering is unable to return the call within one hour, proceed with diagnosis and repair based on information found in SI.
Warranty Information
If engineer was contacted or required information was provided, use:
Labor Operation Description Labor Time
3487118* Engineering Information – Head Up Display (HUD) Blank, DTC U1518 Set 0.3 hr
* This is a unique labor operation for bulletin use only.
Version 2
Modified Released August 27, 2020
Revised November 04, 2020 – Revised to add 2020-2021 XT4 and XT5.
2
The Contact Information has been redacted.
SEOCONTENT-END
6 Affected Products
Vehicles
1 Associated Document
Manufacturer Communications
PIE0582A
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Bestseller No. 1
Heads up Display for Cars,HUD,Head up Display for Car,HUD Display Car Windshield,USB Cable Plug and Play,Automatic Brightness Adjustment,Large Font Display
- Strong Signal Reception: Our car hud uses dual-mode chip technology—GPS+BDS signals—with a high refresh rate of 10 Hz for rapid, accurate reception. It can pick up to 32 satellite signals, it maintains a stable connection for precise speed data, whether you're driving in urban or rural areas
- Automatic Brightness Adjustment: The hud for cars features intelligent light sensors that automatically adjust screen brightness based on external light conditions. This ensures clear visibility in different lighting situations, whether it's bright daylight or dimly lit environments at night, providing a comfortable display for enhanced driving safety
- Suitable for all Cars with USB Port: Designed with simplicity in mind, our HUD is easy to install and suitable for all cars with USB port, including cars, motorcycles, and trucks. Whether you drive a compact sedan or a large commercial vehicle, installation is effortless, allowing you to enjoy the convenience and safety benefits of our HUD
- Clearer Display: Our HUD defaults to displaying speeds in MPH and features a large font design with metal blackout technology that effectively eliminates excess reflections and ensures a clearer display, making speeds very clear even for older people with weak vision or drivers wearing sunglasses
- Friendly Reminder: The performance of this product is closely related to the car environment, if your car glass with metal explosion-proof film, it may affect the signal reception effect, we recommend that you choose carefully according to the actual situation
SaleBestseller No. 2
wiiyii Car HUD Head Up Display P6, OBD+GPS Smart Gauge, Works Great for Most Cars
- SAFE IS THE FIRST----Just focus on your driving, could read speed at a glance with the digital numbers but without having to look down; This unit simply displays directly to you at whatever angle you set it up, no need to make effort to have a look, which may lead to make distractions or even cause accident.
- NEW DRIVING EXPERIENCE----10 kinds interface, free switch, LCD meter, clear fault code, read data stream; 2 install way with adjustable bracket, put on dashboard or stick to windshield, easy operation, non-destructive installation.
- A MUST HAVE----If you don't want your driving record to have points on it or pat hundreds of dollars in speeding tickets; If on a major highway, you really want to know how fast you are going; If your wife get worried and want to see you're not driving so fast as she feels; Or if you would like to solve your problem of never knowing how fast you are going, this speedometer perfectly matches your need.
- DRIVING MORE COMFORTABLE----When driving normally, the ambient light is blue color(automatically adjusts the brightness according to the environment ); when driving abnormally, such as speeding, the ambient light will be changed to Red color for alarming.
- MORE SMOOTH & STABLE----Common meter only has OBD mode, but ours is dual mode: OBD+GPS 2-in-1, the default display OBD+GPS function at the same time, and data display is more abundant. OBD system, can read more than 100 kinds of data in the car. If the vehicle doesn't have OBD2 protocol, only displays GPS function.
Bestseller No. 3
Liiiyuan M1 White Windshield Projection Heads Up Display, Digital GPS Speedometer with Speed, Travel Direction Function, and Overspeed Alarm, Fatigue Driving Alarm， Suitable for All Vehicles
- 【 M1 hud】：M1 is a GPS mode head up display. Unlike most head up displays on the market, our designers have fully utilized the characteristics of the windshield to create a simple white windshield HUD, which is easy to install and plug and play.
- 【Design concept】The M1's screen design is very simple, the data projected onto the windshield cannot be too complicated, otherwise it will block the driver's view. So we designed it as a very simple speedometer, presenting only the most important data of speed in front of the driver's eyes, at a glance, simple and clear.
- 【Main functions】M1 displays speed, with speeding alarm and fatigue warning function, GPS compass shows direction. Speed is available in MPH and KM/H units, which can be adjusted in the setting. When there is over speed or continuous driving for too long, the product will emit a beeping sound to remind the driver, which is like a safety supervisor, always remind the driver to pay attention to driving safety, placing a mini M1 HUD inside the car will definitely add a lot of fun.
- 【Automated Brightness】The product is embedded with advanced light-sensitive elements, which can change according to the brightness. When the light is strong during the day, the product will automatically brighten, on the contrary, when the light is weak at night, the brightness of the product will also automatically become dark.You can also manually adjust the brightness of the product.
- 【Instructions for use】Our product is easy to install, plug and play, just use the usb cable included inside the product to connect the car and the product, start the engine to power on and use. When you find the small icon on the product is flashing constantly, it means the product is collecting satellites, and the speed will be displayed only when the device searches for satellites.
Bestseller No. 4
ACECAR Head Up Display Car Universal Dual System 3.5 Inches HUD, Speedometer OBD2 GPS Interface, Speed, Engine RPM, OverSpeed Warning, Mileage Measurement, Water Temperature, GPS Mode for All Vehicle
- 🚙【What is HUD?】 Short for Head Up Display. It displays driving data on the front windshield such as speed,RPM,water temperature,voltage single mileage etc. HUD avoids the danger of drivers looking down at the dashboard. It ensures the safety of drivers because of watching the data on the car front window glass, and helps drivers to keep the best state on the way. A variety of operating interface modes and colors can be switched, It will bring more fun and Technological sense to you.
- 🚙【Simple Display】Vehicle Speed + Engine RPM, HD Display, practical function, let you drive more comfortable for a long time. (plug and play -- Available for 95% car with an OBD2/ GPS interface) The Nano - Technology - High clearness projector, to eliminate unwanted reflections and can make the display information more sharper. The Automatic and manual brightness adjustment mode, and more easy to control the HUD.
- 🚙【Multiple functions】: Ambient decorative lighting Engine RPM Fault code alarm Fatigue driving alarm .The Alarm icon Light sensor: HUD can automatically adjust the brightness "according to the environment .Speed unit: KM/H, MPH .Multi-function zone: speed,water temperature,battery voltage,driving distance Water temperature icon ,voltage icon.
- 🚙【Compatible Attention】OBD2 mode is only available for most vehicles manufactured after 2008. GPS mode Perfect Suitable for All Vehicle. ( If your car is not compatible with OBD mode, please toggle the scroll wheel button to the left or right to switch to GPS mode within 5 seconds after the HUD is turned on.)Dual System, OBD2 mode is not compatible with hybrid electric vehicle, diesel car, pickup truck, RV, computer modified car, it is recommended to use the GPS mode.
- 🚙【QUALITY SERVICE】CE FCC RoHS Certification, Superior quality. The chip with powerful performance and compatibility to make sure dual system, dual-run memory and dual-core processor high-speed operat.If you have any questions about this product, please contact us. We will get back to you as soon as possible and help you solve the problem.
SaleBestseller No. 5
AZIJYV Windshield Speedometer Projector, Digital GPS Speedometer with Speed, Overspeed， Heads Up Display for Cars Suitable for All Vehicles
- 【What is M22 hud】M22 is a GPS mode flat screen display, unlike most flat screen displays on the market, our designers have made good use of the windscreen to turn M22 into a new windscreen HUD.
- 【Design Concept】This GPS speedometer is a novel design with a colour scheme for the first time. It presents important speed data to the driver at a glance and is simple to understand.
- 【Main Functions】The M22windshield speedometer projector displays speed, clock, travel time and distance travelled. It also has an over speed alarm function and a GPS compass to show the direction（The compass needs to locate the satellite before it can be used. You can try moving the car to an open road surface.）. Speed is available in MPH and KM/H, which can be adjusted in the settings. When there is an over speed, the product will emit a beeping sound to remind the driver, which is like a safety supervisor, always reminding the driver to pay attention to driving safety, placing a beautiful M22 HUD in the car.
- 【Automated HUD】The advantage of the digital speedometer automation is that it turns on automatically when the car starts and turns off automatically when the car is switched off, which is very convenient and you don't have to worry about the product not being able to turn off. A gentle reminder, if you are not driving for more than a week, please remove the product and put it in the drawer.
- 【Instructions for use】 Our product is easy to install, plug and play, just use the usb cable included in the product to connect the car and the product, start the engine to power on and use. When you notice the small icon on the product flashing continuously, it means the product is collecting satellites, the speed will only be displayed when the device searches for satellites.
Bestseller No. 6
REENKEY 5.5" Windshield Head Up Display for Car,OBDII/EUOBD Interface Plug Car Hud Screen with Water Temperature, Mileage, RPM, Multiple Alarms
- Windshield Head Up Display: Experience a safer and more convenient driving with heads up display for cars. Unlike regular displays, our innovative design projects data directly onto the windshield, ensuring you never have to take your eyes off the road.
- Multi-function Speedometer: Stay informed with real-time data.Our heads up display not only acts as a speedometer but also provides RPM, mileage, water temperature, time, driving time, voltage. With the OBD interface, you'll have access to more accurate and up-to-date information than GPS displays.
- 4 Alarm Functions: Drive with confidence knowing that our digital speedometer comes with 4 alarm functions. From overspeeding and fatigue driving to speed and engine failure alarms, our device keeps you safe on the road. Customize the alarm values to suit your needs or comply with the law.
- Automatic Brightness: Our heads up display features automatic brightness adjustment, ensuring clear visibility day or night. The built-in light sensor and sensor system adapt to the surrounding light intensity. You can also manually adjust the brightness for optimal viewing. The display colors aid in making accurate judgments.
- Easy Installation: Compatible with most fuel and hybrid cars with an OBD2/EUOBD interface. Simply plug and play. Please note that this HUD car speedometer is not suitable for cars made in the United States before 2004 and other cars made before 2008. Fine-tune the speed display through the setting mode for precise readings.
Bestseller No. 7
Arestech 5.5 inches A8 OBD2 Windshield HUD Head Up Display with Display RPM MPH Speeding Warning Fuel Consumption Temperature
- Compatible Attention* 5.5 inches colorful large screen head up display. Available for most cars with OBD II or EUOBD, plug and play. It can works gasoline cars produced after 2004 in USA and after 2008 in other countries. It does not work for Dodge, Jeep, Mazda, Suzuki, all France and Italy cars, some KIA and Hyundai. The details of compatibility list please read the description below
- What is HUD?* Short for Head Up Display. It displays driving data on the front windshield such as speed, RPM, water temperature, voltage and single mileage etc. It avoids the danger of drivers looking down at the dashboard. It ensures the driver watching the data on the car windshield and helps drivers to drive safety. HUD has a variety of operating interface and it will bring more fun and technological sense to you
- Simple Display* Head-up-display reflects the driving data of the car on the windshield. Since the windshield is double-layered, there will be a slight ghost in the display. We have provided reflective film which can stick on windshield to avoid this problem. This head up display supports automatic and manual brightness adjustment mode which also use nano-technology to eliminate unwanted reflections and can make display information sharper
- Advance Functions* This HUD supports over speed reminding, the icon of over speed will alarm and flicker when the vehicle exceeds the speed limit which set up in advance. Auto power on and off with vehicle started and shutdown, effective protection of the car battery; while retaining the manual switch mode, and more beneficial to control HUD
- Guarantee* Superior quality. If you have any questions about this product, please feel free to contact us. We will get back to you as soon as possible and help you to solve the problem. If you are not sure if OBD2 mode is available for your car, please contact us before ordering. We will help you to confirm
SaleBestseller No. 8
SinoTrack Digital GPS Speedometer Universal Heads Up Display for Car 5.5 inch Large LCD Display HUD with MPH Speed Fatigued Driving Alert Overspeed Alarm Trip Meter for All Vehicle
- GPS Speedometer Display: Extra large 5.5 inch screen can display the most important MPH data and driving time/mileage/time/direction at the same time, two scales show the speed and the number of satellites respectively, the compass in the middle gives you the direction, satisfying all your data needs during the driving process
- Driving Safety Alert: What is the most important thing about driving? As we all know, life safety is the first, speeding and fatigued driving are not allowed, our car overspeed alarm HUD has two important reminders, speeding alert and fatigue driving alert, when the speed exceeds your set value, it will emit a ticking sound to remind you so as to reduce the speed; driving time over 4 hours will remind you to need a short break, a caring safety butler during the journey
- HD Data Display: Equipped with an automatic light-sensitive screen, no need to adjust manually, it will automatically adjust the most suitable display brightness according to the external light, whether in the daytime or at night you can get the clearest data, no longer worry about the problem of not being able to see the display when the sun is strong
- Technology Processing Chip: SinoTrack digital GPS speedometer hud build-in the chip super performance and compatibility, dual-running memory, and dual-core processor to ensure smooth high-speed operation which offers the data to help your car travel life, effectively reducing the problem of data delay, real-time follow up driving speed
- Easy to Use&USB connection: One key operation, press for 2 seconds to enter the setting menu, short press to switch the display mode, left to switch the speed and driving direction angle, right to switch the time, number of satellites, driving distance, driving time, etc. Not only do we offer a quality auto heads-up display but also 24 hours online service, please feel free to contact SinoTrack Team
Bestseller No. 9
Yaouzicn Heads up Display for Cars, Obd2 Display with Speed、 Fuel Consumption、Water Temperature、Over-Speed Alarm， Speedometer Suitable for All Cars
- [HUD display]:The heads up display C1 displays your car's data directly on the 3D mirror. The transparent reflector has no ghosting and the angle of the product can be freely adjusted to suit your driving habits. The product also features automatic brightness adjustment and manual brightness adjustment, so you can see the projected image clearly, day or night
- [OBD display function]:vehicle speed, water temperature, voltage, fuel consumption, speed, single mileage, total mileage accumulation, driving time, driving direction, number of stars searched, altitude, system time, intake pressure, oil temperature, air-fuel ratio , Turbo pressure, intake pressure, acceleration test, brake test, clear DTC, read data stream
- [GPS display function]:Vehicle speed, travel time, satellite time, altitude, number of satellites, driving direction, single mileage, voltage, acceleration test, brake test
- [Product compatibility]:[Product Compatibility]: The OBD mode of this product is only available for cars using OBD2 protocol and EU-OBD protocol (09 onwards). This product does not support JOBD and OBDI.The OBD model is not compatible with hybrid electric cars, diesel cars, pickup trucks, RVs and computerized conversion cars. However, GPS models are available for all vehicles. The following brands are not compatible with the OBD2 system:Renault/Peugeot/Citroen/Fiat/DS/Lamborghini/Jeep/SIMCA/Suzuki/Maserati/Dodge/Jazz.Dodge/Jazz/CRV/Hammer Note: If you want to use OBD mode but don't know if your car is compatible with OBD, you can ask us
- [Gift Ideas]:This HUD screen is powerful and affordable. This is a great gift for most people who want to be safe and have a very comfortable driving experience. Not only can you give it as a gift to yourself, but you can also give it to your wife, husband, family, friends or roommates
SaleBestseller No. 10
Yaouzicn Heads Up Display, GPS Speedometer M23, Universal Car HUD with Speed MPH, Compass Direction, Overspeed Alarm HD Display, USB Cable Plug & Play (Yaouzicn-M23)
- {What is HUD}: HUD is an acronym for Head Up Display, which means “Heads Up Display”, or you can also call it “Flat View Display”. Drivers don't need to look down to see the important information they need, reducing the frequency of drivers needing to look down to check their gauges, avoiding interruptions in concentration and loss of awareness of the state they are in, and improving driver safety. This M23 can fulfill these requirements
- {Application range}: This M23HUD is a GPS+Beidou system, he applies to all vehicles, as long as the satellite can be searched where it can work, easy to operate, easy to use, the vehicle information is quickly accessed to improve the quality of travel and safety
- {Multi-function display}: GPS + Beidou dual-mode chip design,GPS speedometer can accurately obtain your driving distance, speed and speeding alarm function to meet your different data needs, drivers do not have to watch the road in the distance and close to the digital speedometer between the adjustment of vision, to avoid eye fatigue, improve the coefficient of safety and driving safety
- {Automatic adjustment}: Driving at night has always been a concern for drivers, but The integrated design of this hud hood covers the excess light from the head-up display, so that driving at night is not blinding, and it can also automatically adjust the display according to the intensity of the outside world. Even in the dark night HUD light machine has a soft light, no background light transmission. Able to present a perfect transparent display of information
- {Installation and Service}: We provide instruction manual, USB cable, anti-slip mat, USB plug and play design, when you use M23 speedometer, connect the USB cable directly to the USB port or cigarette lighter car charger port, you can quickly start the device. No need to read the manual or bother with installation procedures. It's worth noting that if you have any questions about this head-up display, you can contact us directly and we'll be happy to answer any questions you may have
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