NHTSA ID Number: 11028018
Manufacturer Communication Number: CBR 2516-6 202601
TSB/Document Date: 2026-02-02
Summary
CBR - CMS Black Screen Troubleshooting - VN(4).
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TSB/Document ID: CBR 2516-6 202601
Replacement Service Bulletin Number:
MFR Communication Date: 2026-01-02
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
IJŪıæôŘϽϙĺŘϙVŪıŕôŘϙFÍŘIJôŜŜϙ„ÍŜŜôIJČôŘϙŜĖîôϙϼ„bϭϙ͔͖͗͐͏͔͓͑ϙѭϙ«IbϙIJŪıæôŘϽϙ
installation
o ĺŘŘôèťĖŽôϙÍèťĖĺIJϙϭ͒ϡϙīÍŜŜϙ«ϙiŽôŘīÍƅϙϼ„bϭϙ͓͓͑͏͗͐͒͘ϽϙĖIJŜťÍīīÍťĖĺIJ
Note: Original connectors and harness/cable ſĖīīϙIJôôîϙťĺϙæôϙŜôèŪŘôî per instructions
to obtain èĺŘŘôèťϙŘĺŪťĖIJČϙċĺŘϙIJôſϙĺŽôŘīÍƅϙēÍŘIJôŜŜ/cable and connectors.
Do not overtighten the cable tie for class II/IV and V cable corrective actions.
Note: When installing the IJôſ ĺŽôŘīÍƅϙēÍŘIJôŜŜϙſĖťēϙèÍæīôŜϙťĖôŜ, vinyl tape ϼ(īôèťŘĖèÍīϙ
ťÍŕôϽϙıŪŜťϙæôϙſŘÍŕŕôîϙÍŘĺŪIJîϙÍťϙīôÍŜťϙ͑ϙťĖıôŜϙťĺϙťēe coax cable ſēôŘôϙťēôϙèÍæīôϙťĖôϙĖŜϙ
to be secured and then a cable tie secured at that location. A cable tie should not be
in direct èĺIJťÍèťϙſĖťēϙťēôϙèĺÍƄϙèÍæīôϙinsulation ÍċťôŘϙťēôϙèÍæīôϙťĖôϙĖŜϙŜôèŪŘôîϟ
4.3.1 ĺŘŘôèťĖŽôϙÍèťĖĺIJϙϭ͐ϡϙClass II/IV ĺŽôŘīÍƅϙϼ„bϭϙ͓͓͑͏͗͑͑͘ϽϙĖIJŜťÍīīÍťĖĺIJ
bĺťôϡϙôīĺſϙare the instructions ċĺŘϙŜôèŪŘĖIJČϙôƄĖŜťĖIJČϙèÍæīôŜϙťĺϙťēôϙıÍĖIJϙēÍŘIJôŜŜϠϙîĺϙ
not ĖIJŜťÍīīϙťēôϙIJôſϙèÍæīôŜϙŪIJťĖīϙîĖŘôèťôîϟ
1. ŜϙÍϙŘôċôŘôIJèôϙťĺϙîŘĺŕϙťēôϙĺŽôŘēôÍîϙŜēôīċϙċĺīīĺſϙIıŕÍèťϙĺŕôŘÍťĖĺIJϙ͖͔͒͘-03-02-06
Overhead Harness, Replacement.
28
CMS Black Screen Troubleshooting
November 2025
2. Disconnect original CMS ECU connector (A388.C) and use cable ties to secure it to
the main harness.
3. Secure the passenger and driver side display connectors to existing harness using
cable ties. Remove edge clip from both sides
(repeat process on driver side display connector)
Remove edge clip on passenger side monitor connector.
(repeat process on driver side display retaining clip)
͑͘
CMS Black Screen Troubleshooting
November 2025
4. Secure existing driver and passenger side camera coax cables to the existing
harness using cable ties.
„ÍŜŜôIJČôŘϙŜĖîôϡ Class II/IV
"ŘĖŽôŘϙŜĖîôϡ Class II/IV
bĺťôϡϙIIJŜťÍīīϙťēôϙIJôſϙèīÍŜŜϙIIϯI«ϙcables ÍŜϙŕôŘϙæôīĺſϙĖIJŜťŘŪèťĖĺIJŜ.
5. Connect A388.C connector to the CMS ECU and route cables along the passenger
and driver side following main harness bundle.
30
CMS Black Screen Troubleshooting
November 2025
6. Follow below image for routing and cable tie points starting from CMS ECU.
bĺťôϡϙAvoid contact with CB radio. Follow below cable path highlighted.
bĺťôϡϙϙ«ôŘĖċƅϙťēÍťϙŽĖIJƅīϙťÍŕôϙis applied at cable tie locations prior to the cable tie
being pulled tight.
7. Secure the overlay cables with cable ties every 7.8in (200mm) (reference) starting
from the CMS ECU.
bĺťôϡϙϙ«ôŘĖċƅϙťēÍťϙŽĖIJƅīϙťÍŕôϙĖŜϙÍŕŕīĖôîϙÍťϙèÍæīôϙťĖôϙīĺèÍťĖĺIJŜϙŕŘĖĺŘϙťĺϙťēôϙèÍæīôϙťĖôϙ
being pulled tight.
31
CMS Black Screen Troubleshooting
November 2025
8. Ensure cable is tied on red tape marks on main harness. (pictures below for
reference)
Driver sideϡ
„ÍŜŜôIJČôŘϙŜĖîôϡ
͘ϟ Install overhead shelf following impact instructions ͖͔͒͘-03-02-06 Overhead
FÍŘIJôŜŜϠϙ‡ôŕīÍèôıôIJťϙϙϼŘôċôŘôIJèôϽ.
10. Passenger side display connection should resemble images below, ensure 100mm
from clip to the connector heat shrink.
32
CMS Black Screen Troubleshooting
November 2025
11. Passenger side display connection should resemble images below, ensure 100mm
from clip to the connector heat shrink
12. Route coax cable to the driver side junction above the door for connection with the
ſĖIJČϙVŪıŕôŘϙFÍŘIJôŜŜ
13. Repeat on the passenger side
14. Secure the rest of the overlay cables to the existing main overhead harness
following the existing routing and clipping
15. If the CMS ECU was previously removed it should be reinstalled
16. Connect Class II/IV and V cables to the ECU
33
CMS Black Screen Troubleshooting
November 2025
Notes:
o Connectors are fully seated when a click sounds is heard
o Securing the coax cables too tight with the cable-tie can damage the cables.
17. Connect jumper cables to the in-cab overlay on both sides
(Passenger side above)
(Driver side above)
18. Test the CMS system by turning on the power. Image should appear after a few
seconds on both displays without any warning icons on the display on in the IC
͐͘ϟ Reassemble trim panels
20. Clear all fault codes
21. Road test
4.3.2 ĺŘŘôèťĖŽôϙÍèťĖĺIJϙϭ͑ϡϙVŪıŕôŘϙFÍŘIJôŜŜϙ"ŘĖŽôŘϙside (PN# 85170523 ѭϙ«Ibϙ
number) or Vumper Farness Passenger side ϼ„bϭϙ͔͖͗͐͏͔͓͑ϙѭϙ«Ibϙ
number) installation
34
CMS Black Screen Troubleshooting
November 2025
bĺťôϡϙôīĺſϙÍŘôϙťēôϙĖIJŜťŘŪèťĖĺIJŜϙċĺŘϙŜôèŪŘĖIJČϙôƄĖŜťĖIJČϙèÍæīôŜϙťĺϙťēôϙıÍĖIJϙēÍŘIJôŜŜϠϙ
îĺϙIJĺťϙĖIJŜťÍīīϙťēôϙIJôſϙèÍæīôŜϙŪIJťĖīϙîĖŘôèťôîϟ
To remove existing jumper and replace with new one on the driver side follow these
ĖIJŜťŘŪèťĖĺIJŜϡ
1. Truck to be disconnected from all external power sources
2. TŪŘIJϙĺƯϙa"‹ϙswitch, if equipped
3. Disconnect batteries
4. Remove trim panel.
5. Remove the screws.
6. Remove the trim panel.
7. Lift the trim panel.
35
CMS Black Screen Troubleshooting
November 2025
8. Remove the screws.
͘ϟ Remove the panel.
10. Move the seat belt to access the screws.
11. Remove the screws.
12. Remove the seat belt assembly.
13. Remove the washers.
36
CMS Black Screen Troubleshooting
November 2025
14. Remove the screws.
15. Remove the grab handle.
16. Remove the screw.
17. Remove the trim panel.
37
CMS Black Screen Troubleshooting
November 2025
18. Disconnect the air bag module connector, if equipped.
͐͘ϟ Remove the screws.
20. Remove the airbag module, if equipped.
21. Remove the shield.
22. Remove the screws.
23. Remove the roller blind, if equipped.
38
CMS Black Screen Troubleshooting
November 2025
24. Remove the screws.
25. Remove the bracket.
26. Disconnect the jumper harness connectors.
27. Remove the cable tie.
28. Disconnect the connector. And the clips to remove the connector.
Driver side jumper harness
͒͘
CMS Black Screen Troubleshooting
November 2025
Passenger side jumper harness
͑͘ϟ Remove camera arm following Corrective action #4 (Camera arm replacement)
30. Install the jumper wiring harness.
31. Install the cable tie.
32. Connect the jumper harness connectors.
Driver side jumper harness connectors
40
CMS Black Screen Troubleshooting
November 2025
Passenger side jumper harness connectors
33. Install the bracket.
34. Install the screws.
35. Tighten the screws to torque.
41
CMS Black Screen Troubleshooting
November 2025
36. Install the roller blind, if equipped.
37. Install the screws.
38. Tighten the screws to torque.
͒͘ϟ Install the shield.
42
CMS Black Screen Troubleshooting
November 2025
40. Install the airbag module, if equipped.
41. Install the screws.
42. Tighten the screws to torque.
43. Connect the air bag module connector, if equipped.
44. Install the trim panel.
45. Install the screw.
43
CMS Black Screen Troubleshooting
November 2025
46. Install the grab handle.
47. Install the screws.
48. Tighten the screws.
͓͘ϟ Install the washers.
50. Install seat belt assembly.
51. Install the screws.
52. Tighten the screws to torque.
44
CMS Black Screen Troubleshooting
November 2025
53. Install the panel.
54. Install the screws.
55. Lower the panel.
45
CMS Black Screen Troubleshooting
November 2025
56. Install the trim panel.
57. Install the screws.
58. Tighten the screws to torque.
͔͘ϟ Test the CMS system by turning on the power. Image should appear after a few
seconds on both displays without any warning icons on the display on in the IC
60. Reassemble trim panels
61. Clear all fault codes
62. Road test
4.3.3 Corrective action #3ϡϙīÍŜŜϙ«ϙiŽôŘīÍƅϙϼ„bϭϙ͓͓͑͏͗͐͒͘ϽϙĖIJŜťÍīīÍťĖĺIJϙ
bĺťôϡϙôīĺſϙÍŘôϙťēôϙĖIJŜťŘŪèťĖĺIJŜϙċĺŘϙŜôèŪŘĖIJČϙôƄĖŜťĖIJČϙèÍæīôŜϙťĺϙťēôϙıÍĖIJϙēÍŘIJôŜŜϠϙîĺϙIJĺťϙ
install the new cables until directed.
bĺťôϡϙ®ēôIJϙĖIJŜťÍīīĖIJČϙťēôϙIJôſϙĺŽôŘīÍƅϙēÍŘIJôŜŜϙſĖťēϙèÍæīôŜϙťĖôŜϠϙŽĖIJƅīϙťÍŕô ϼ(īôèťŘĖèÍīϙ
ťÍŕôϽϙıŪŜťϙæôϙapplied at the location the cable tie is to be installed ċĺŘϙÍîîôîϙ
protection. Wrap vinyl tape at least 2 times around the coax cables. A cable tie
ŜēĺŪīîϙIJĺťϙæôϙĖIJϙîĖŘôèťϙèĺIJťÍèťϙſĖťēϙťēôϙèĺÍƄϙèÍæīôϙĖIJŜŪīÍťĖĺIJϙÍċťôŘϙťēôϙèÍæīôϙťĖôϙĖŜϙ
secured.
1. As a reference to drop the overhead shelf follow IıŕÍèťϙĺŕôŘÍťĖĺIJϙ͖͔͒͘-03-02-06
Overhead Harness, Replacement.
2. Remove the CMS duct to access the brown class V cable
46
CMS Black Screen Troubleshooting
November 2025
3. Disconnect class V cable connector (A388.E) (brown) and use cable ties to secure it
to the main harness.
4. Secure original passenger side Class V camera coax cables to main harness using
cable ties. (as seen below)
47
CMS Black Screen Troubleshooting
November 2025
bĺťôϡϙIIJŜťÍīīϙťēôϙIJôſϙèīÍŜŜϙ«ϙèÍæīôŜϙÍŜϙŕôŘϙæôīĺſϙĖIJŜťŘŪèťĖĺIJŜϟ
5. Connect A388.E connector to the CMS ECU and route new cable along the
passenger side following main harness bundle.
bĺťôϡϙŽĺĖîϙŜēÍŘŕϙæôIJîŜ or kinks, this may damage the cable
6. Secure the overlay cables with cable ties every edge clip starting from the CMS ECU.
Do not overtighten the cable tie.
bĺťôϡϙϙ«ôŘĖċƅϙťēÍťϙŽĖIJƅīϙťÍŕôϙĖŜϙÍŕŕīĖôîϙÍťϙèÍæīôϙťĖôϙīĺèÍťĖĺIJŜϙŕŘĖĺŘϙťĺϙťēôϙèÍæīôϙťĖôϙ
being pulled tight.
48
CMS Black Screen Troubleshooting
November 2025
7. Ensure overlay class V cable is tied on red tape marks on main harness. (picture
below for reference)
„ÍŜŜôIJČôŘϙŜĖîôϡ
8. Install overhead shelf following impact instructions ͖͔͒͘-03-02-06 Overhead
FÍŘIJôŜŜϠϙ‡ôŕīÍèôıôIJťϙϙϼŘôċôŘôIJèôϽ.
͘ϟ Connect the class V cable to jumper harness.
10. Test the CMS system by turning on the power. Image should appear after a few
seconds on both displays without any warning icons on the display on in the IC
11. Reassemble trim panels
12. Clear all fault codes
13. Road test
4.3.4 Corrective action #4ϡ Camera arm replacement
1. Remove the lower cover.
͓͘
CMS Black Screen Troubleshooting
November 2025
2. Remove the upper cover.
3. Remove the cable tie.
4. Disconnect the connector.
50
CMS Black Screen Troubleshooting
November 2025
5. Disconnect the camera connector (driver side).
OR.
Disconnect the camera connector (passenger side) with optional class V curb side
camera cable (grey).
6. Remove the jumper harness connector from locking clip (2 clips for passenger side).
51
CMS Black Screen Troubleshooting
November 2025
7. Remove the camera mounting screws.
8. Remove the camera arm along with the jumper harness by pulling on the camera
arm.
͘ϟ Remove the jumper cable from the camera arm
52
CMS Black Screen Troubleshooting
November 2025
bĺťôϡϙIIJŜťÍīīϙťēôϙIJôſϙĤŪıŕôŘϙēÍŘIJôŜŜϙèÍæīôŜϙÍŜϙŕôŘϙťēôϙĖIJŜťŘŪèťĖĺIJŜϙæôīĺſϟ
10. Feed new jumper harness connectors through the opening in the camera arm
11. Example of a correctly installed grommet below.
12. Inspect mounting gasket and replace as necessary
13. Install camera arm to the truck.
53
CMS Black Screen Troubleshooting
November 2025
14. Install camera mounting screws
15. Connect the jumper harness connector (driver side).
OR.
Connect the jumper harness connectors (passenger side) with optional class V curb
side camera cable (grey).
54
CMS Black Screen Troubleshooting
November 2025
16. Connect the connector.
17. Install the cable tie.
18. Install lower cover
͐͘ϟ Install the upper cover.
55
CMS Black Screen Troubleshooting
November 2025
“ÍČŜϡ
mack volvo vn4 vn 4 pr 4 pr4 an4 an 4 cms camera camera monitoring system black screen
red popup
List of DTCs to be added to tags
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CMS - U3000-04 - Electronic control unit – System Internal Failures
CMS - U3000-01 - Electronic control unit – General Electrical Failure
CMS - U3000-A2 - Electronic control unit – System Voltage Low
CMS – U3000-61 – Electronic control unit – Signal Calculation Failure
CMS - B1005-͏͘ϙ- Passenger Side View Monitor Circuit – Component Failures
CMS - B1005-2B - Passenger Side View Monitor Circuit – Signal Cross Coupled
CMS - B1005-41 - Passenger Side View Monitor Circuit – General Checksum
Failure
CMS - B1004-͏͘ϙ- Driver Side View Monitor Circuit – Component Failure
CMS - B1004-41 - Driver Side View Monitor – General Checksum Failure
CMS - B1004-00 - Driver Side View Monitor Circuit – No Sub Type Information
CMS - B1004-2B - Driver Side View Monitor Circuit – Signal Cross Coupled
CMS – B1004-26 - Driver Side View Monitor Circuit – Signal Rate of Change
Below Threshold
CMS – B1004-44 - Driver Side View Monitor Circuit – Data Memory Failure
CMS – B1005-00 - Passenger Side View Monitor Circuit – No Sub Type
Information
CMS – B1005-02 - Passenger Side View Monitor Circuit – General Signal Failure
CMS – B1005-44 - Passenger Side View Monitor Circuit – Data Memory Failure
CMS - B1000-04 - Passenger Camera Unit – System Internal Failures
CMS - B1000-͏͘ϙ- Passenger Camera Unit – Component Failure
CMS - B1001-͏͘ϙ- Side Camera Unit – Component Failures
CMS - B1001-04 - Side Camera Unit – System Internal Failures
CMS – B1002-͏͘ϙ- Driver Side Camera Circuit – Component Failures
CMS – B1002-04 - Driver Side Camera Circuit – System Internal Failures
CMS - U1002-08 – Lost Communication With Passenger Side Kerb (Curb)
Camera – Bus Signal/Message Failures
CMS - ˜͐͏͏͘-08 - Lost Communication With Passenger Side Camera – Bus
Signal/Message Failures
CMS - U1001-08 - Lost Communication With Driver Side Camera – Bus
Signal/Message Failures
CMS - U1004-08 - Lost Communication With Driver Side View Monitor – Bus
Signal/Message Failures
56
CMS Black Screen Troubleshooting
November 2025
o CMS - U100A-08 - Lost Communication with Passenger Side View Monitor –
Bus Signal/Message Failures
o CMS - B1000-13 - Passenger Camera Unit – Circuit Open
o CMS - B1001-13 - Side Camera Unit – Circuit Open
o CMS - B1002-13 - Driver Side Camera Circuit – Circuit Open
o CMS - B1005-13 - Passenger Side View Monitor Circuit – Circuit Open
o CMS - B1004-13 - Driver Side View Monitor Circuit – Circuit Open
o CMS – B1000-͐͘ϙ- Passenger Camera Unit – Circuit Current Above Threshold
o CMS – B1001-͐͘ϙ- Side Camera unit – Circuit Current Above Threshold
o CMS – B1004-͐͘ϙ - Driver Side View Monitor Circuit – Circuit Current Above
Threshold
o CMS – B1004-1C - Driver Side View Monitor Circuit – Circuit Voltage out of
Range
o CMS – B1005-02 - Passenger Side View Monitor Circuit – General Signal Failure
o CMS – B1005-͐͘ϙ- Passenger Side View Monitor Circuit – Circuit Current Above
Threshold
o CMS – B1005-1C - Passenger Side View Monitor Circuit – Circuit Voltage Out of
Range
o CMS – B1002-͐͘ϙ - Driver Side Camera Circuit – Circuit Current Above
Threshold
57
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- 【Your Personal CEL Doctor – Read & Clear Engine Codes】The NT301 OBD2 scanner lets you read diagnostic trouble codes (DTCs), check em-issions readiness, turn off your Check Engine Light (CEL) or MIL, reset monitors, and view live data streams. It retrieves your vehicle's VIN instantly. Like all standard OBD2 scanners, it clears codes only after repairs are completed—if the issue persists, the code will return. Designed for DIYers who want to understand what’s really going on under the hood.
- 【Easy Code Reading – Just Plug & Play】Simply plug into the OBD2 port, turn the ignition to “ON” (engine off), and select the correct menu: Select OBDII-> Wait for seconds-> Select Read codes. For accurate results, ensure your vehicle is compatible and the OBD2 port is free from damage or wiring issues. No batteries needed— powered directly by your car.
- 【Live Data Graphing & Accuracy for Most OBD2 Vehicles】View and log live sensor data in graph form—monitor oxygen sensors, fuel trims, coolant temp, RPM, and more. Spot trends and suspicious values in real time. Compatible with most 1996+ gasoline cars, light trucks, and SUVs sold in the U.S., as well as many 2000+ European and Asian models. Also works on 12V diesel vehicles equipped with OBD2.
- 【S-mog Check Helper – Know Your Readiness Status at a Glance】With dedicated I/M readiness hotkeys and a simple Red-Yellow-Green LED indicator, you’ll instantly know if your vehicle is ready for em-issions testing. Built-in speaker provides audio feedback. No guesswork—just confidence before you head to the test center.
- 【A Must-Have Tool for Every Home Mechanic】Compact, rugged, and ready to use right out of the box. The 2.8” color screen is easy to read, even in daylight. No charging or setup required—just plug into the 16-pin DLC and start diagnosing. Recommended by professional mechanics on YouTube and trusted by DIYers worldwide.
Last update on 2026-03-25 / Affiliate links / Images from Amazon Product Advertising API
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