NHTSA ID Number: 10252336
Manufacturer Communication Number: SF681
TSB/Document Date: 2024-04-02
Summary
Field Service Campaign for eCascadia Software Package Update
23.
Connect the coolant lines to the DC box(es).
24.
Route the wiring harnesses back to the original positions.
25.
Connect the low voltage connectors to the DC box(es) and the front side of the ground bracket.
26.
Install the ground cable fasteners. Tighten the smaller nut and the DC box bolt 11 lbf·ft (15 N·m), and the
larger nut 35 lbf·ft (48 N·m).
IMPORTANT: Clean any dirt or debris from high voltage connectors before removing them. Failure to do so
could increase the chance of dirt getting into the connector during installation.
27.
To ensure the high voltage connectors are installed vertically during installation, use the tool
(DSNEMG022008) to connect the three high voltage connectors.
28.
Remove the alignment pin, and install the high voltage connector mounting fasteners.
29.
Install the high voltage cable clamps, and tighten the fasteners.
30.
Tighten the high voltage connector fasteners 14 lbf·ft (19 N·m).
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Daimler Truck
North America LLC
Field Service Campaign
March 2024
SF681 A-C
31.
Secure the low voltage harnesses and the ground cables with cable ties.
32.
Install the side impact protection. For instructions, see Section 31.03, Subject 100 of the eCascadia
Workshop Manual.
33.
Remove the block off plate of the dual port charger. See Fig. 20.
02/09/2024
f548488
Fig. 20, Location of the Block Off Plate
34.
Install the forward battery cover that is attached to the side impact protection assembly.
35.
Install the left-hand side battery deck plate. For instructions, see Section 31.05 of the eCascadia Workshop Manual.
36.
Commission the vehicle. For instructions, see Section 08.08 of the eCascadia Workshop Manual.
37.
Fill and bleed the battery cooling system. For instructions, see Section 20.01, Subject 160 of the eCascadia
Workshop Manual.
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Daimler Truck
North America LLC
Field Service Campaign
March 2024
SF681 A-C
SF681 A-C: Software Programming
1.
Connect a 12-volt battery charger to the jump studs in the frontbox.
2.
Turn the keyswitch to the ON position.
3.
Connect an RP1210B-compliant vehicle diagnostic adaptor to the diagnostic connector on the vehicle.
Connect the other end of the adaptor to the laptop.
4.
Open DiagnosticLink®.
IMPORTANT: Make sure that DiagnosticLink is updated to the latest version (8.18 SP1 at the time of publication or newer), before programming the vehicle.
5.
Go to the ‘Program Device’ tab, and make sure the vehicle identification number (VIN) that appears is correct.
Select ‘Download data from server.’ See Fig. 21.
A
B
11/09/2022
A. Verify VIN is correct.
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B. Select ‘Download data from server.’
Fig. 21, Downloading Data from Server
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Daimler Truck
North America LLC
Field Service Campaign
March 2024
SF681 A-C
6.
Once the data download is complete, select ‘Next.’ See Fig. 22. Devices with available software are listed.
02/02/2024
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Fig. 22, Downloaded Data for Connected Unit
7.
Before proceeding to program the electric common powertrain controller (ECPC) and electronic control unit
(ECU), check the software version and the shift map part number. Go to the ‘Identification’ tab, then select
and expand the ‘ECPC01T - Electric Common Powertrain Controller’ panel.
8.
Verify the ECPC01T software version and the shift map part number. See Fig. 23.
Is the software version already updated to ‘R23.11.10.00A,’ and is the shift map part number showing as
‘A029 448 87 02 ZGS 002’ ?
YES → Disable the high voltage system, as instructed in step 9. Skip steps 10 through 11, and go to step 12.
NO → Continue with step 9.
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Fig. 23, ECPC01T Device Information
9.
Turn the keyswitch to the OFF position. Press the ESTOP button on the dash panel, then turn the keyswitch to the ON position.
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Daimler Truck
North America LLC
Field Service Campaign
March 2024
SF681 A-C
10.
Follow the substeps to update the ECPC01T device software.
10.1 Select ‘ECPC01T’ as the device to program. See Fig. 24.
10.2 Select ‘Update Device Software’ as the reprogramming operation. See Fig. 24.
10.3 ‘R23.11.10.00A’ is selected as the firmware to apply to the device. Select ‘Next.’ See Fig. 24.
A
B
C
02/02/2024
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A. Select ‘ECPC01T’ as the device to program.
B. Select ‘Update Device Software’ as the reprogramming operation.
C. Select ‘Next.’
Fig. 24, Updating ECPC01T Device Software
10.4 Review the programming information, then select ‘Start.’
10.5 Once the programming is complete, a message is displayed: ‘Programming was successfully com-''
pleted.’ Select ‘Finish.’
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Daimler Truck
North America LLC
Field Service Campaign
March 2024
SF681 A-C
11.
Follow the substeps to update the ECPC01T data set.
11.1
With ‘ECPC01T’ still selected as the device to program, now select ‘Change Data Set’ as the reprogramming operation. See Fig. 25.
11.2
‘EMG Long Haul Vehicle Shiftmap - 0294488702_002’ is selected as the dataset to apply to the device.
Select ‘Next.’ See Fig. 25.
A
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A. Select ‘Change Data Set’ as the reprogramming operation.
Fig. 25, Updating ECPC01T Data Set
11.3
Review the programming information, then select ‘Start.’
11.4
Once the programming is complete, a message is displayed: ‘Programming was successfully completed.'’'
Select ‘Finish.’
12.
Before proceeding to program the battery management system (BMS) ECUs, check the software version
of the BMS ECUs. Go to the ‘Identification’ tab, then select and expand the respective BMS ECU panels.
13.
Verify the BMS ECU software version. See Fig. 26.
Is the software version already updated to ‘22.25.5’?
YES → Go to step 15, on page 26.
NO → Continue with step 14.
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Fig. 26, BMS201T Device Information
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Daimler Truck
North America LLC
Field Service Campaign
March 2024
SF681 A-C
14.
Follow the substeps to update the BMS01T device software.
NOTE: BMS01T is at the bottom of the list as it has the highest source address.
14.1 Select ‘BMS01T’ as the device to program. See Fig. 27.
14.2 Select ‘Update Device Software’ as the reprogramming operation. See Fig. 27.
14.3 ‘22.25.5’ is selected as the firmware to apply to the device. Select ‘Next.’ See Fig. 27.
A
B
C
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A. Select ‘BMS01T’ as the device to program.
B. Select ‘Update Device Software’ as the reprogramming operation.
C. Select ‘Next.’
Fig. 27, Updating BMS01T Device Software
14.4 Review the programming information, then select ‘Start.’
14.5 Once the programming is complete, a message is displayed: ‘Programming was successfully completed.’ Select ‘Finish.’ See Fig. 28.
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Fig. 28, Programming Successful for BMS901T
NOTE: Each vehicle may have six to nine BMS ECUs, depending on the installed battery configuration.
14.6 Repeat substeps 14.1 through 14.5 to program the remaining BMS ECUs.
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Daimler Truck
North America LLC
Field Service Campaign
March 2024
SF681 A-C
15.
Follow the substeps to update the ETCM01T device software.
15.1 Select ‘ETCM01T’ as the device to program. See Fig. 29.
15.2 Select ‘Update Device Software’ as the reprogramming operation. See Fig. 29.
15.3 ‘NAMT231400’ is selected as the firmware to apply to the device. Select ‘Next.’
A
B
03/06/2024
f121518
A. Select ‘ETCM01T’ as the device to program.
B. Select ‘Update Device Software’ as the reprogramming operation.
Fig. 29, Updating the ETCM01T Device Software
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Daimler Truck
North America LLC
Field Service Campaign
March 2024
SF681 A-C
15.4 Review the programming information, then select ‘Start.’ See Fig. 30.
A
03/06/2024
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A. Select ‘Start.’
Fig. 30, Starting to Update the ETCM01T Device Software
16.
If the ECPC ECU has been programmed, perform the electric refrigerant compressor (ERC) run-in procedure.
Has the ECPC software been updated to ‘R23.11.10.00A’ in steps 10 through 11?
YES → Continue with step 17.
NO → Go to step 19.
17.
To enable the high voltage system, turn the keyswitch key to OFF position, release the ESTOP button on
the dash panel, then turn the keyswitch to the ON position.
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Daimler Truck
North America LLC
Field Service Campaign
March 2024
SF681 A-C
18.
Follow the substeps to perform the ERC run-in procedure.
18.1 Open the ’Refrigerant System Management’ panel. This panel is located on the ’Service Routines’
tab in DL version 8.19 SP1 and later. In DL versions 8.19 and earlier, it is under the ’I/O Controls’ tab.
18.3 Set the blower fan speed to a minimum of level 8.
18.4 Select ‘Start’ to re-learn the ERC run-in. See Fig. 31.
A
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A. Select ‘Start’ to re-learn the ERC run-in.
Fig. 31, ERC Run-In Panel
19.
Once the ERC run-in procedure is complete, perform the odometer synchronization procedure.
19.1 Right-click on the ‘Connections’ panel, located in the bottom-left corner of the screen, then select
‘Close Connections.’ See Fig. 32.
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Fig. 32, Closing Connection to all the ECUs
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Daimler Truck
North America LLC
Field Service Campaign
March 2024
SF681 A-C
IMPORTANT: Odometer synchronization must be achieved within 30 seconds of connecting DiagnosticLink
to the ECPC ECU.
19.2 From the menu bar, select ‘Tools,’ then select ‘Options.’
19.3 In the ‘Options’ window, go to the ‘Connection’ tab. See Fig. 33.
19.4 Select the ‘Select None’ button. See Fig. 33.
19.5 In the ‘Proprietary Devices to Automatically Connect’ panel, choose only the three devices listed below,
then select ‘OK.’ See Fig. 33.
• UDS-0 – Common Powertrain Controller
• UDS-23 – Instrument Cluster
• UDS-37 – Central Gateway
A
B
C
D
02/02/2024
A. Go to the ‘Connection’ tab.
B. Select the ‘Select None’ button.
f121509
C. Select the three devices listed above to connect.
D. Select ‘OK.’
Fig. 33, Connection Tab in the Options Window
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Daimler Truck
North America LLC
Field Service Campaign
March 2024
SF681 A-C
IMPORTANT: The 30-second time period begins after selecting ‘OK’ in substep 19.6.
19.6 A pop-up window appears. Select ‘OK.’
19.7 From the menu bar, select ‘Actions,’ then select ‘Set Odometers.’
19.8 In the ‘Set Odometers’ window, select the ‘Sync System to Instrument Cluster’ button.
19.9 DDEC reports are not applicable for battery electric vehicles. In the pop-up window that appears,
select ‘OK.’ See Fig. 34.
A
02/02/2024
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A. Select ‘OK.’
Fig. 34, DDEC Reports Pop-Up
19.10 Once the odometer synchronization is complete, the label indicates ‘Done,’ and a message is
displayed: ‘The odometer has been set up.’ Select the ‘Close’ button. See Fig. 35.
If the odometer synchronization is not completed within 30 seconds of connecting to the ECPC ECU,
an error message, as shown in Fig. 36, is displayed: ‘Conditions not correct(NRC$22).’
A
02/02/2024
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A. Select ‘Close.’
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Fig. 36, Odometer Synchronization Error
Fig. 35, Odometer Synchronization Completed
• Turn the keyswitch to the OFF position, then turn it back to the ON position again.
• Repeat substeps 19.1 through 19.10 to attempt to synchronize the odometer again.
Page 30
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Daimler Truck
North America LLC
Field Service Campaign
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SF681 A-C
20.
Follow the substeps to write the VIN to the new DC box(es).
20.1 From the menu bar, select ‘Actions,’ then select ‘Set Vehicle Identification Number.’
20.2 In the ‘Set Vehicle Identification Number’ window that appears, the VIN automatically populates for
the connected vehicle.
20.3 Select the ‘Set VIN’ button.
20.4 Allow the process to complete, then select the ‘Close’ button.
21.
Clean a spot on the base label (Form WAR259), and attach a campaign completion sticker for SF681
(Form WAR261), indicating this work has been completed.
Page 31
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TSB/Document ID: SF681
Replacement Service Bulletin Number:
MFR Communication Date: 2024-03-11
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM
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