Daimler Truck
North America LLC

Field Service Campaign

March 2024
SF681 A-C
(Revised January 2025)

Subject: eCascadia Software Package Update
Models Affected: Specific model years 2023-2024 Freightliner
eCascadia vehicles, manufactured May 16, 2022, through
September 19, 2023.

General Information
REVISION: The software programming section starting on page 21 has been updated.
Daimler Truck North America LLC (DTNA), on behalf of its Freightliner Trucks division, is initiating Field Service
Campaign SF681 A-C to modify the vehicles mentioned above.
Certain eCascadia vehicles require eCPC (Electric Common Powertrain Controller) and BMS (Battery Monitoring
System) software updates to resolve multiple issues.
The DCB (Direct Current Box) module(s) will be replaced, and the software will be updated. Vehicles in group A
will also receive a coolant plumbing update.
There are approximately 378 vehicles involved in this campaign.
Additional Repairs
Dealers must complete all outstanding recall and field service campaigns prior to the sale or delivery of a vehicle.
A dealer will be liable for any progressive damage that results from its failure to complete campaigns before sale
or delivery of a vehicle.
Owners may be liable for any progressive damage that results from failure to complete campaigns within a
reasonable time after receiving notification.
Please contact Warranty Campaigns for consideration of additional charges prior to performing the repair.

Work Instructions
Please refer to the attached work instructions. Prior to performing the campaign, check the vehicle for a
completion sticker (Form WAR261).

Replacement Parts
Replacement parts are now available and can be obtained by ordering the kit and/or part number(s) listed below
from your facing Parts Distribution Center (PDC).
If our records show your dealership has ordered any vehicle(s) involved in campaign number SF681, a list of the
customers and vehicle identification numbers will be available in OWL (Online Warranty Link), found on the DTNA
Portal. Please refer to this list when ordering parts for this campaign.

Page 1

Daimler Truck
North America LLC

Field Service Campaign

March 2024
SF681 A-C
(Revised January 2025)

Claims for Credit
You will be reimbursed for your parts, labor, and handling (landed cost for Export Distributors) by submitting
your claim through the warranty system within 30 days of completing this campaign. Please reference the
following information in OWL:
• Claim type is Field Service Campaign.
• In the Campaign field, enter the campaign number and appropriate group (SF681-A, SF681-B, etc.).
• In the Primary Failed Part field, enter 25-SF681-000.
• In the Parts section, enter the appropriate part number(s) as shown in the Replacement Parts Table.
• In the Labor section, enter the appropriate SRT from the Labor Allowance Table. Administrative time will
be included automatically as SRT 939-6010A for 0.3 hours.
• The VMRS Component Code is F99-999-005 and the Cause Code is A1 - Campaign.
• This Field Service Campaign will terminate on March 31, 2025. Dealers will be notified of any changes
to the termination date via an Important Campaign Information Letter (ICI) posted on the DTNA Portal.
IMPORTANT: OWL must be viewed prior to beginning work to ensure the vehicle is involved and the campaign
has not previously been completed. Check for a completion sticker before beginning work.
All claims must be submitted within 30 days of the repair and within 30 days of the termination date of the
campaign. U.S. and Canadian Dealers: All excess inventory to be returned to the PDC following the conclusion
of the campaign must be returned in resaleable condition to the Memphis PDC within 90 days from the
termination date. Please submit a PAR to request return to the Memphis PDC. (Canadian dealers should return
the kits to their facing PDC.) Export Distributors: Excess inventory is not returnable.
For questions, U.S. and Canadian dealers, contact the Warranty Campaigns Department using the Warranty
Support Center (WSC) app located on the DTNA Portal. Export distributors, submit a WSC inquiry, or contact
your International Service Manager.

Page 3

Daimler Truck
North America LLC

Field Service Campaign

March 2024
SF681 A-C

Copy of Notice to Owners
Subject: eCascadia Software Package Update
Daimler Truck North America LLC (DTNA), on behalf of its Freightliner Trucks division, is initiating Field Service
Campaign SF681 A-C to modify specific model years 2023-2024 Freightliner eCascadia vehicles,
manufactured May 16, 2022, through September 19, 2023.
Certain eCascadia vehicles require eCPC (Electric Common Powertrain Controller) and BMS (Battery
Monitoring System) software updates to resolve multiple issues.
The DCB (Direct Current Box) module(s) will be replaced, and the software will be updated. Vehicles in group A
will also receive a coolant plumbing update.
Please contact an authorized DTNA dealer to arrange to have the campaign performed and to ensure that parts
are available at the dealership. The campaign will take approximately four to six hours and will be performed
free of charge. To locate an authorized dealer, search online at northamerica.daimlertruck.com/contact-us.
Scroll down to “Locate a Dealer,” and select the appropriate brand.
This Field Service Campaign will terminate on March 31, 2025. Please make sure the campaign is completed
prior to this date. Work completed after this date will be done at the customer’s expense.
As stated in the terms of your express limited warranty, DTNA will not pay for any damage caused by failure to
properly maintain your vehicle. DTNA considers the work necessary under this campaign to be proper
maintenance and will, therefore, not pay for any damage to your vehicle caused by your failure to have the
repairs that are the subject of this campaign performed in a reasonable time.
Contact the Warranty Campaigns Department at (800) 547-0712, from 7 a.m. to 4 p.m. Pacific Time, Monday
through Friday, e-mail address [email protected], or the Customer Assistance
Center at (800) 385-4357, if you have any questions or need additional information.
WARRANTY CAMPAIGNS DEPARTMENT
Enclosure

Page 4

Daimler Truck
North America LLC

Field Service Campaign

March 2024
SF681 A-C
(Revised January 2025)
8.

Remove the high voltage cable clamps.

IMPORTANT: High voltage connectors need to be kept clean and clear of debris, fluids, and damage. A dirty or
damaged connector can cause problems for energy transfer within the cable or high voltage components and can
lead to high voltage system failures.
NOTE: To ensure the high voltage connectors are installed vertically during installation, use the tool
(DSNEMG022008) to connect the three high voltage connectors.
9.

Remove the high voltage connectors from the DC box(es).

10.

Remove the fasteners from the ground cables, then disconnect the ground cables.

11.

Disconnect the low voltage cable connectors from the DC box(es) and the front side of the ground bracket.

12.

Gently move the high voltage, low voltage, and ground cables out of the way.

13.

Transfer the high voltage connector protective caps from the new DC box(es) to the high voltage connections on the DC box(es) being removed.

14.

Disconnect the coolant lines from the DC box(es).

15.
16.

Remove the DC box mounting bracket fasteners. See Fig. 18.
Remove the DC box(es) and bracket from the vehicle.

1. DC Box 1
2. DC Box 2
3. DC Box Mounting Bracket
Fig. 18, DC Box Mounting Bracket

Page 18

Daimler Truck
North America LLC

Field Service Campaign

March 2024
SF681 A-C
(Revised January 2025)

A. Select ‘DCB01T’ as the device to program.
B. Select ‘Replace Device Settings with Server Configuration’ as the reprogramming operation.
C. Select ‘oem – Vehicle plant configuration’ as the settings to apply.
D. Select ‘Next.’
Fig. 32, Updating the DCB01T Device Software

Page 29

Daimler Truck
North America LLC

Field Service Campaign

March 2024
SF681 A-C
(Revised January 2025)

15.4 Select ‘OK’ to acknowledge the VIN write box. See Fig. 33.

Fig. 33, VIN Write Pop-Up Window
15.5 Review the programming information to confirm the target software is ‘23.7.11,’ then select ‘Start.’
See Fig. 34.
15.6. When the programming operation is complete (there will be three dataset writes), select ‘Finish.’

A. Verify the target software is ‘23.7.11.’

B. Select ‘Start.’.

Fig. 34, Starting to Update the DCB01T Device Software

Page 30

Daimler Truck
North America LLC

Field Service Campaign

March 2024
SF681 A-C
(Revised January 2025)

16. If the vehicle is equipped with dual port charging, follow the substeps
to update the DCB02T device software.
.
16.1 Select ‘DCB02T’ as the device to program. See Fig. 35
16.2 Select ‘Replace Device Settings with Server Configuration’ as the reprogramming operation. See Fig. 35.
16.3 Select ‘oem.– Vehicle plant configuration’ as the settings to apply to the device. Select ‘Next.’ See Fig. 35
16.4 Select ‘OK’ to acknowledge the VIN write box.

A. Select ‘DCB01T’ as the device to program.
B. Select ‘Replace Device Settings with Server Configuration’ as the reprogramming operation.
C. Select ‘oem – Vehicle plant configuration’ as the settings to apply.
D. Select ‘Next.’
Fig. 35, Updating the DCB02T Device Software
Page 31

Daimler Truck
North America LLC

Field Service Campaign

March 2024
SF681 A-C
(Revised January 2025)

16.5 Review the programming information to confirm the target software is ‘23.7.25,’ then select ‘Start.’
. 36
See Fig.
16.6 When the programming operation is complete, (there will be three dataset writes,) select ‘Finish.’

A. Verify the target software is ‘23.7.25.’

B. Select ‘Start.’.

Fig. 36, Starting to Update the DCB02T Device Software

Page 32