NHTSA ID Number: 10199259
Manufacturer Communication Number: 21NA048
Summary
This technical bulletin provides repair information to correct a customer concern of seeing a black screen in reverse.
Condition
Some customers may comment on seeing a black screen with red triangle and red camera with a circle and slash through It when vehicle is in Reverse. This condition may be intermittent.
Cause
The cause of the condition may be that the crimping of the coaxial cable connectors to the cable is causing an excessive resistance that interrupts the video signal and causes the black screen.
Correction
Note: Verify the Condition, then depending on Model and Year, follow the appropriate repair in the list of Repair Procedures below.
Parts Information
| Description | Part Number | Qty |
| CABLE ASM-DIGITAL RDO ANT & NAVN ANT COAX (Acadia) | 86775887 | 1 |
| CABLE ASM-DIGITAL RDO ANT & NAVN ANT COAX (Acadia) | 86775888 | 1 |
| CABLE ASM-DIGITAL RDO ANT & NAVN ANT COAX (XT5 / XT6) | 86775889 | 1 |
| CABLE ASM-DIGITAL RDO ANT & NAVN ANT COAX (XT5) | 86775890 | 1 |
6 Affected Products
Vehicles
1 Associated Document
Manufacturer Communications
Bulletin No.: 21-NA-048
Date: May, 2021
NHTSA ID Number: 10198868
Manufacturer Communication Number: 21NA048
Summary
This technical bulletin provides repair information to correct a customer concern of seeing a black screen in reverse.
1 Associated Document
Manufacturer Communications
Bulletin No.: 21-NA-048
Date: May, 2021
NHTSA ID Number: 10191221
Manufacturer Communication Number: 21NA048
Summary
This technical bulletin provides repair information to correct a customer concern of seeing a black screen in reverse.
1 Associated Document
Manufacturer Communications
Bulletin No.: 21-NA-048
Date: March, 2021
NHTSA ID Number: 10187171
Manufacturer Communication Number: PIC6420C
Summary
This Preliminary information communicates information on coax cable connection concerns that can cause a black screen in reverse.
1 Associated Document
Manufacturer Communications
Bulletin No.: PIC6420C
Published date: N/A
NHTSA ID Number: 10185720
Manufacturer Communication Number: PIC6420C
Summary
This Preliminary information communicates information on coax cable connection concerns that can cause a black screen in reverse.
1 Associated Document
Manufacturer Communications
Bulletin No.: PIC6420C
Published date: N/A
NHTSA ID Number: 10187165
Manufacturer Communication Number: PIC6420B
Summary
This Preliminary information communicates information on coax cable connection concerns that can cause a black screen in reverse.
1 Associated Document
Manufacturer Communications
Bulletin No.: PIC6420B
Published date: N/A
NHTSA ID Number: 10185714
Manufacturer Communication Number: PIC6420B
Summary
This Preliminary information communicates information on coax cable connection concerns that can cause a black screen in reverse.
1 Associated Document
Manufacturer Communications
Bulletin No.: PIC6420B
Published date: N/A
NHTSA ID Number: 10184138
Manufacturer Communication Number: PIC6420A
Summary
This Preliminary information communicates information on coax cable connection concerns that can cause a black screen in reverse.
1 Associated Document
Manufacturer Communications
Bulletin No.: PIC6420A
Published date: N/A
NHTSA ID Number: 10184094
Manufacturer Communication Number: PIC6420
Summary
This Preliminary information communicates information on coax cable connection concerns that can cause a black screen in reverse.
1 Associated Document
Manufacturer Communications
Bulletin No.: PIC6420
Published date: N/A
- ใContinuous Upgraded 1080P AHD Backup CameraใAfter launching three car backup cameras, PixelMan further upgrade and launch the new reversing camera PMD2A-S. This car camera use the latest chip special for reversing camera made in Japan, this chip not only has excellent image output, but also has stunning performance under strong light and dark light. Strict in details and only make the best products is what PixelMan pursues. It is also essential to you, isn't it?
- ใSupport HD and AHD switchingใThis upgraded back up camera even supports HD and AHD switching. Each optimization improves the definition, signal stability, waterproof performance, durability, installation, etc. Our vehicle backup camera can be switched to AHD signal output to achieve 1080P display (Under the premise that the screen supports AHD signal).
- ใ1/2.7in AHD 1080P Large Chip Adopted in This Reverse CamใThe chip size determines the amount of reversing camera output pixels, compared with 1/4in chip used in ordinary backup cam, the most apparent feature is the enhanced brightness and color saturation besides of the sufficient clarity. The colors become more vivid and true, the increased brightness makes the images more clearly, meanwhile, the night vision effect also be enhanced, you can back the car easily without extra light at night.
- ใ170ยฐ Wide Angle Optical Glass HD LensใThe lens is the core component of the reverse camera for car. The HD lens used in PMD2A-S wide angle backup camera is very different from ordinary lens in appearance, it has a larger aperture and a stronger sense of technology. High transmittance glass, fish eye appearance, F1.4 aperture, all these features directly determine the wide angle, maximum output pixels and night vision performance of the license plate camera.
- ใBack Up The Car EasilyใWhether it is day or night, you can see almost everything behind the car when reversing, PixelMan camera for car reverse will let your driving easier and safer. Isnโt it what you need?
- PLUG AND PLAY: The backup camera for car takes only 15 minutes from start to finish installation, just 2 steps: โ First connect the camera and monitor through the 4-pin video power cable made of 3.0MM pure copper that comes with the camera. โก Then plug the backup camera system into the cigarette lighter or USB plug (not included), manual switch, plug and play. Or you can also connect it to the reversing lights only as a reversing use, automatically triggering the reversing image when reversing
- STABLE SIGNAL TRANSMISSION: The LK3 back up camera for cars is superior in signal stability compared to other backup camera kit. It will automatically minimize energy loss during transmission, not only will there be no signal delays, interference, fluctuations or intermittent problems, but also realize the transmission of real-time data, providing you with HD 1080P color images at all times, to ensure safer driving
- WATERPROOF & HIGHLY WEATHER-RESISTANT: The backup camera for truck housing is made of ABS-TC material and also utilizes the latest nano-coating sealing technology with IP69 level waterproof performance, which is able to work perfectly and provide clear images in extreme environments from -22ยฐF to 176ยฐF. It is like a brave guardian, not eroded by any water or fine particles, tenaciously resisting the baptism of wind/rain/dust/high and low temperatures, enhancing the safety index and service life
- ULTRA HD PICTURE: The back up camera systems for car adopts advanced optical anti-shaking technology with SC1346 color image sensor chip to avoid the problem of shaky and blurred images when driving on bumpy roads
- UNIVERSAL COMPATIBILITY AND ADJUSTABLE SETTINGS: The backup camera with monitor is universally compatible with most vehicles, including cars, trucks, trailers, RVs, vans, SUVs, campers, and more. It effectively eliminates blind spots on your vehicle, enhancing safety. Additionally, you can adjust various settings such as brightness, contrast, and image flip to optimize the viewing experience for different lighting conditions and personal preferences
- 1 MINUTE MAGNETIC QUICK INSTALL: This backup camera for truck features a base with 6 powerful magnets made from "3rd generation rare earth permanent NdFeB magnets." It remains functional in extreme conditions, withstanding temperatures as low as -452ยฐF and as high as 1166ยฐF without demagnetizing or falling off. The wireless backup camera base is coated with a soft rubber layer, offering excellent wear resistance while protecting your vehicle's paintwork without compromising the magnetic strength
- SCREEN RESOLUTION & HD NIGHT VISION: Pemacom's self-developed algorithm can improve the clarity of the backup camera picture by about 80% compared to the original. The backup camera wireless is also equipped with the most unique CMOS image sensor and 1080P color chip, which can quickly analyze the picture, and also provide clearer picture at night or under low light environment, effectively suppress glare, restore the truest color, reduce safety hazards, and ensure safer driving
- POWERFUL DIGITAL SIGNAL: The back up camera systems for truck features a more powerful digital signal receiver with frequency hopping technology. It supports 2.4GHz WiFi transmission, offering enhanced anti-interference and stability, increasing performance by 70%. The image remains clear, without frame drops or delays. The magnetic backup camera's signal transmission distance reaches up to 33 feet, suitable for trucks, pickups, cars, trailers, campers, small RVs, and hitch trailers
- EXTRA LONG 24-HOUR BATTERY LIFE: This portable truck backup camera features a built-in 15,000mAh rechargeable lithium-ion battery with larger capacity. The solar backup camera also includes a 5W solar panel and a 5V-2A TYPE-C charger, ensuring longer battery life when power is low or sunlight is limited. A full 5-hour charge provides up to 24 hours of use, making it ideal for long-distance travel
- POWER-SAVING AUTO SLEEP MODE: When the wireless backup camera for trucks is not in use, you can turn off the monitor via the cigarette lighter or USB plug, and the rear view camera automatically enters energy-saving sleep mode. This feature unnecessary power consumption, extends battery life, and improves both safety and durabilityโwithout the need for manual shutdown
- UPGRADED 4K UHD CLARITY - Experience stunning detail with the front camera's upgrade to 4K UHD (2160p) resolution, paired with a 1080p rear camera. The extra-large 12" display provides 1.5 times the viewing area of a standard mirror, significantly reducing blind spots for enhanced safety.
- 5.8GHz WiFi&GPS TRACKING - The included external GPS antenna enables real-time GPS data display directly on the dash cam. Connect to your phone via Wi-Fi and use the "WOLFBOX" app on iOS or Android devices to real-time viewing, playback recordings, and quick sharing of videos.
- LARGER SCREEN & WIDER VIEW - The WOLFBOX G840S mirror camera features a 170ยฐ front lens and a 140ยฐ rear lens, offering a broader field of view to minimize blind spots during driving and reversing. The smart split-screen function allows simultaneous monitoring of both lenses, while the 2.5D curved screen seamlessly integrates with your vehicleโs interior.
- SUPERIOR NIGHT VISION & IMAGE QUALITY - The G840S mirror dash camera is equipped with an upgraded low-reflectivity LCD to reduce daytime reflections. With incorporated WDR & HDR technology for balanced lighting, and a professional-grade sensor paired with a 6-glass lens for superior image quality, nighttime driving or challenging lighting conditions are handled with ease.
- 24-HOUR PARKING MONITOR - Beyond on-the-road safety with loop recording, the WOLFBOX camera also features a 24-hour parking monitor. Time-lapse mode records at a low frame rate to conserve power and storage while ensuring continuous surveillance of your vehicle. (A hardwire kit is required for parking monitoring.)
- LED Night Vision Car Vehicle Front /Rear View / Side View Camera. Eliminating dangerous blind spots. Protect your car around of Kids and little pets.
- High-definition HD color image camera. Angle adjustable parking aid, 12 night vision LEDs, waterproof, universal mounting. Perfect to install on all sorts of vehicles. perfect clarity and functionality during the rainy day.
- Power supply: DC 12V - video cable connection. A wide camera lens viewing angle makes sure that you can see enough to park and reverse safely.
- You will never have to worry about taking your camera on a bad day as it is very weather resistant and will support you through storms.
- The cable length about 6m(20ft), so it is perfect for most cars. Easy to operate.
Last update on 2026-05-27 / Affiliate links / Images from Amazon Product Advertising API
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Service Bulletin Bulletin No.: 21-NA-048 Date: May, 2021 TECHNICAL Subject: Black Screen in Reverse with Red Triangle and Red Camera with A Circle and Slash Through It This bulletin replaces PIC6420D. Please discard PIC6420D. Brand: Model: Model Year: VIN: Engine: Transmission: from to from to Cadillac
XT5 2020 2021 SOP 1GYKNDRS0MZ163846 All All XT6 1GYKPHRS3MZ163843 GMC Acadia 1GKKNRL47MZ163831 Holden Acadia 2020 2020 Involved Region or Country North America, Israel, China, Saudi Arabia, Korea, Germany, Russia, Middle East, Palestine, Japan, S. Korea, Australia and New Zealand. Additional Options (RPOs) Condition 5758378 Some customers may comment on seeing a black screen with red triangle and red camera with a circle and slash through It when vehicle is in Reverse. This condition may be intermittent. Cause The cause of the condition may be that the crimping of the coaxial cable connectors to the cable is causing an excessive resistance that interrupts the video signal and causes the black screen. Correction Note: Verify the Condition, then depending on Model and Year, follow the appropriate repair in the list of Repair Procedures below. Page 2 May, 2021 Bulletin No.: 21-NA-048 Preliminary Service Procedure For 2020 GMC Acadia, Holden Acadia, XT5 and XT6 Model Year vehicles ONLY, do the following check: Note: This issue may be found on a small percentage of vehicles. 1. Verify that the A11 Radio header is not loose. 1.1. To do this, gain access to the IP coaxial cable behind the right kick panel. 1.2. Hold the cable an inch or two below the connection to the A11 Radio and while watching the screen in Reverse, gently move the cable back and forth. 1.3. If you get pink lines on the screen or if it goes black, replace the A11 Radio. Refer to the appropriate Radio Replacement, in SI. 2. Continue to coaxial replacement as shown by model below. Service Procedure – For 2020 and 2021 Model Year vehicles, replace the following coaxial cable(s) XT6 Models โ Replace only the (IP) coaxial cable from the in-line connector to the A11 Radio. 2020-2021 XT6 IP Coaxial Cable Routing (DRZ & UV2) 5757456 Bulletin No.: 21-NA-048 May, 2021 Page 3 1. A11 Radio 2. IP Coax 3. IP to Body Coax In-line Connection Replace the short (IP) coaxial cable from the in-line connection to the A11 Radio, located behind the right kick panel. For XT5 and Acadia Models, replace the (Body) coaxial cable from the Video Processing Module (VPM) to the in-line connector AND the (IP) coaxial cable from the in-line connector to the A11 Radio. XT5 2020-2021 XT5 IP and Body Coaxial Cable Routing (DRZ & UV2) 5757457 1. A11 Radio 2. IP Coax 3. IP to Body Coax In-line Connection 4. Body Coax 5. To Headliner 6. To Liftgate Harness 7. VPM Note: The long cable will be an overlay routed with, and affixed to, the body harness. The original body coax will just need the ends off and can be abandoned in the main body wiring harness. Note: On XT5, the (Body) cable runs from the VPM to the In-line connection to the (IP) short cable behind the right kick panel. It also routes to the liftgate coaxial connector and to the coax at the top of the left “D” pillar headliner area for the rearview mirror. 1. Replace the long Coaxial cable (Body) from the VPM in the left rear of the vehicle, to the In-line connection to the (IP) short cable behind the right kick panel and to the liftgate connector and connect to the cable to the rearview mirror in the top left โDโ pillar headliner area. 2. Replace the short (IP) coaxial cable from the in-line connection to the A11 Radio, located behind the right kick panel. Page 4 May, 2021 Bulletin No.: 21-NA-048 GMC Acadia 2020-2021 GMC Acadia IP and Body Coaxial Cable Routing (UV2) 5757468 1. A11 Radio 2. IP Coax 3. IP to Body Coax In-line Connection 4. Body Coax 5. To Liftgate Harness 6. VPM Note: The long cable will be an overlay routed with, and affixed to, the body harness. The original body coax will just need the ends off and can be abandoned in the main body wiring harness. Note: On GMC Acadia, the (Body) cable runs from the VPM to the In-line connection to the (IP) short cable behind the right kick panel and to the liftgate coaxial cable connector. 1. Replace the long Coaxial cable (Body) from the VPM in the left rear of the vehicle, to the In-line connection to the (IP) short cable behind the right kick panel and to the liftgate coaxial cable connector. 2. Replace the short (IP) coaxial cable from the in-line connection to the A11 Radio, located behind the right kick panel. Bulletin No.: 21-NA-048 May, 2021 Page 5 Holden Acadia 2020 Holden Acadia IP and Body Coaxial Cable Routing (UV2) 5838142 1. A11 Radio 2. IP Coax 3. IP to Body Coax In-line Connection 4. Body Coax 5. To Liftgate Harness 6. VPM Note: The long cable will be an overlay routed with, and affixed to, the body harness. The original body coax will just need the ends off and can be abandoned in the main body wiring harness. Note: On Holden Acadia, the (Body) cable runs from the VPM to the In-line connection to the (IP) short cable behind the left side of the IP near the glove box. 1. Replace the long Coaxial cable (Body) from the VPM in the left rear of the vehicle, to the In-line connection to the (IP) short cable behind the left IP near the glove box and to the liftgate coaxial cable connector. 2. Replace the short (IP) coaxial cable from the in-line connection to the A11 Radio, located behind the left IP near the glove box. Parts Information Causal Part Description Part Number Qty X CABLE ASMDIGITAL RDO ANT & NAVN ANT COAX (Acadia) 86775887 1 X CABLE ASMDIGITAL RDO ANT & NAVN ANT COAX (Acadia) 86775888 1 X CABLE ASMDIGITAL RDO ANT & NAVN ANT COAX (XT5 / XT6) 86775889 1 X CABLE ASMDIGITAL RDO ANT & NAVN ANT COAX (XT5) 86775890 1 Page 6 May, 2021 Bulletin No.: 21-NA-048 Warranty Information For vehicles repaired under the Bumper-to-Bumper coverage (Canada Base Warranty coverage), use the following labor operation. Reference the Applicable Warranties section of Investigate Vehicle History (IVH) for coverage information. Labor Operation Description Labor Time 3487258* Replace (IP) Coax Cable from In-line Connector to the A11 Radio (XT6 Only) 0.5 hr 3487248* Overlay Body Coax Cable from VPM to In-line Connector and Replace the IP Coax Cable to the A11 Radio 2.0 hr *This is a unique Labor Operation for Bulletin use only. Any additional time for component R and R to gain access, or repair time greater than 2.0 hours, must be submitted as Other Hours and requires appropriate authorization. Version 2 Modified Released March 05, 2021 Revised May 18, 2021 โ Added 2020 Holden Acadia Model, Repair Section and Graphic, Removed Date Breakpoint and Replaced with 3 VIN Breakpoints.
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