NHTSA ID Number: 11022343
Manufacturer Communication Number: SF724-DLR LTR
TSB/Document Date: 2025-09-02
Summary
Field Service Campaign for Adaptive Cruise Control
& Tailgate Warning - Cummins X15 Diesel Engines
Enable
Adaptive Cruise Recovery
Adaptive
Adaptive Cruise Control Auto Resume
Enable
Auto Resume Lower Speed Limit
10 mph
Auto Resume Type
Auto Resume Enabled
For the engine brake performance to match the intended performance, confirm the ECM values for the ‘Cruise Control
and Engine Brake Interaction’ parameters are set as listed below. See Fig. 1.
Features and Parameters
ECM Value
Cruise Control and Engine Brake Interaction
Enable
Start Maximum Braking
2.0 mph
Start Minimum Braking
0.5 mph
Cruise Control Engine Brake Switch Bypass
Enable
Page 5
Daimler Truck
North America LLC
Field Service Campaign
SF724 A
August 2025
A. Set the ECM values as shown.
B. Confirm the ECM values are set as shown.
Fig. 1, ECM Parameters in Cummins INSITE
6.
Send the changes to the ECM, and disconnect the ECM from Cummins INSITE.
7.
Turn the keyswitch to the ‘Run’ position.
8.
Connect an RP1210B-compliant vehicle diagnostic adaptor to the diagnostic connector on the vehicle.
9.
Connect the other end of the adaptor to the laptop. Ensure the laptop is connected to a power source.
Page 6
Daimler Truck
North America LLC
Field Service Campaign
SF724 A
August 2025
10.
Open DiagnosticLink®.
IMPORTANT: Make sure that DiagnosticLink is updated to the latest version (8.21 SP3 at the time of publication or
newer) before programming the vehicle.
11.
Use the DTNA Portal credentials to connect DiagnosticLink to the server.
12.
Go to the ‘Program Device’ tab, and make sure that the Vehicle Identification Number (VIN) is correct. Select
‘Download data from server.’ See Fig. 2.
A. Select ‘Program Device.’
B. Verify the VIN that appears is correct.
C. Select ‘Download data from server.’
Fig. 2, Downloading Data from the Server
Page 7
Daimler Truck
North America LLC
Field Service Campaign
SF724 A
August 2025
13.
From the menu bar, select ‘File,’ then select ‘Connect.’
14.
In the ‘Manual Connection’ window that appears, verify that ‘CGW04T’ and ‘ICUC01T’ devices are connected.
See Fig. 3.
A. Select ‘File.’
B. Go to ‘Connect...’
C. Select ‘ICUC01T’ and ‘CGW04T.’
D. Select ‘Connect.’
Fig. 3, Manual Connection Window
Page 8
Daimler Truck
North America LLC
Field Service Campaign
SF724 A
August 2025
15.
Go to the ‘Parameters’ tab. Select and expand the ‘CGW04T - Central Gateway’ parameter folder.
16.
Select and expand the ‘GVCData’ parameter subfolder.
17.
Select the ‘GVC Adaptive Cruise Control Function’ parameter, and set the parameter value to ‘A0134475627-001 GVC
ACC: Adaptive Cruise Control.’ See Fig. 4.
A. Go to the ‘Parameters’ tab.
B. Select and expand the ‘CGW04T - Central Gateway’ parameter folder.
C. Select and expand the ‘GVCData’ parameter subfolder.
D. Select the ‘GVC Adaptive Cruise Control Function’ parameter.
E. Set the parameter value to ‘A0134475627-001 GVC ACC: Adaptive Cruise Control.’
Fig. 4, Setting the Adaptive Cruise Control Function Parameter Value
Page 9
Daimler Truck
North America LLC
Field Service Campaign
SF724 A
August 2025
18.
Select the ‘GVC Distance Warning’ parameter, and set the parameter value to ‘A0134472727-001 GVC Distance
Warning: available.’ See Fig. 5.
A. Select the ‘GVC Distance Warning’ parameter.
B. Set the parameter value to ‘A0134472727-001 GVC Distance Warning: available.’
Fig. 5, Setting the Distance Warning Parameter Value
Page 10
Daimler Truck
North America LLC
Field Service Campaign
SF724 A
August 2025
19.
Select and expand the ‘ICUC01T - Instrument Cluster’ parameter folder.
20.
Select and expand the ‘PID 0x45 (FTL config)’ parameter subfolder.
21.
Select the ‘paramCCBackUp’ parameter, and set the parameter value to ‘A0444472921-001 paramCCBackUp
paramCCBackup not available.’ See Fig. 6.
A. Select and expand the ‘ICUC01T - Instrument Cluster’ parameter folder.
B. Select and expand the ‘PID 0x45 (FTL config)’ parameter subfolder.
C. Select the ‘paramCCBackUp’ parameter.
D. Set the parameter value to ‘A0444472921-001 paramCCBackUp paramCCBackup not available.’
Fig. 6, Setting the paramCCBackUp Parameter Value
Page 11
Daimler Truck
North America LLC
Field Service Campaign
SF724 A
August 2025
22.
Select and expand the ‘PID 0x43 (FTL config)’ parameter subfolder, then select the ‘paramDASMenuHysteresis’
parameter. Set the parameter value as listed below. See Fig. 7.
Vehicles Equipped with ..
Parameter Value
Fixed Headway Control
A0414470021-001 paramDASMenuHysteresis not available
Adjustable Headway Control
A0414470121-001 paramDASMenuHysteresis available
A. Select and expand the ‘PID 0x43 (FTL config)’ parameter subfolder.
B. Select the ‘paramDASMenuHysteresis’ parameter.
C. For vehicles equipped with fixed headway control, set the parameter value to
‘A0414470021-001 paramDASMenuHysteresis not available.’
D. For vehicles equipped with adjustable headway control, set the parameter value to
‘A0414470121-001 paramDASMenuHysteresis available.’
Fig. 7, Setting the paramDASMenuHysteresis Parameter Value
Page 12
Daimler Truck
North America LLC
Field Service Campaign
SF724 A
August 2025
23.
Select the ‘Send’ button to write the parameter changes to the CGW04T and ICUC01T ECUs in the vehicle. A window
opens asking to confirm the parameter changes; select ‘OK.’ See Fig. 8.
A. Select the ‘Send’ button.
B. Select ‘OK’ to confirm the parameter changes.
Fig. 8, Writing the Parameter Changes to the Vehicle
Page 13
Daimler Truck
North America LLC
Field Service Campaign
SF724 A
August 2025
24.
Once the parameter change is complete, go to the ‘Program Device’ tab, then select ‘Unit data management’ in the
upper-right corner. See Fig. 9.
A. Go to the ‘Program Device’ tab.
B. Select ‘Unit data management.’
Fig. 9, Selecting Unit Data Management
Page 14
Daimler Truck
North America LLC
Field Service Campaign
SF724 A
August 2025
25.
The information corresponding to the VIN should appear under ‘Unit data for upload.’ Select ‘Connect to server’ to
upload the new parameters. See Fig. 10.
Fig. 10, Uploading the New Parameters
26.
Once the parameter updates are uploaded to the server, disconnect the vehicle from DiagnosticLink.
27.
Turn the keyswitch to the OFF position.
28.
Clean a spot on the base label (Form WAR259) and attach a campaign completion sticker for SF724 (Form WAR261).
Page 15
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TSB/Document ID: SF724-DLR LTR
Replacement Service Bulletin Number:
MFR Communication Date: 2025-08-27
MFR Internal Campaign ID/Software Version: SF724
Communication Type: Service Campaign
NHTSA Components: FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
MFR Component System:
MFR Component Subsystem:
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