FL879 – Engine Control Module Calibrated Incorrectly – 2019-2020 Freightliner Custom Chass XBA Chassis

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Defect Information Report
(Section 573.6)
FL-879
Date of Submission: February 25, 2021
Manufacturer: Daimler Trucks North America LLC
P.O. BOX 3849
Portland, Oregon 97208
Type of Report: X Safety Defect ⃝ Non-Compliance
Vehicle Information
Model Yr. Start: 2019 Model Yr. End: 2020
Make: Freightliner Custom Chassis Model: XBA Chassis
Production Dates: Begin: 7/24/2018 End: 9/24/2019
Descriptive Information: Cummins states per NHTSA filing 21E-014, “The recalled population consists
of certain engines that are equipped with Engine Control Module calibration Customer Software
Interface Options DO2090500, DO2090900, DO9665200, and DO9844100. This recall involves all B6.7N
engines with these specific calibrations that support SAE J1939 datalink communications at 500k baud
rate. Engines with other calibrations that support SAE J1939 datalink communications at 250k baud rate
are not affected.”
Number potentially involved: 35 Estimated percentage of involve with defect: 100%
Defect / Noncompliance Description
For this Defect/Noncompliance:
Describe the defect or noncompliance: Cummins states per NHTSA filing 21E-014, “To perform their
function, certain electronic controllers on the vehicle may send datalink TSC1 messages requesting the
engine to limit engine speed or torque. These electronic controllers, if the vehicle is so equipped, may
perform safety-related functions, such as vehicle braking control, vehicle traction control, vehicle stability
control, vehicle speed control, or vehicle collision avoidance or other functions. Due to a software
calibration error in the subject calibration options, the subject engines may not limit engine speed or
torque when such a device requests the limit via J1939 datalink TSC1 messages.“
Describe the safety risk: Cummins states per NHTSA 21E-014, “Diminished performance of safetyrelated
functions of certain electronic controllers of the vehicle may increase the risk of a crash.”
If applicable, identify the manufacture of the defective or noncompliant component.
Mark Wilson Director – Product Safety 812-377-7543,
Cummins Inc.
Box 3005, Mail Code 41303
Columbus IN 47202-3005
Chronology of Defect / Noncompliance Determination
Provide the chronology of events leading up to the defect decision or test data for the
noncompliance decision.: February 22, 2021, DTNA was notified of an equipment recall (21E-014) by
its supplier, Cummins Inc. DTNA opened an investigation to determine the scope of the issue. Cummins
has provided a list of DTNA vehicles that are affected, and DTNA found 198 vehicles across North
America (194 US, 4 CAN) operating in the field with the identified engine serials. DTNA has not received
any reports related to diminished performance on safety related functions as it relates to TSC1 messages
on the identified DTNA vehicles. February 24, 2021, DTNA decided to conduct a voluntary safety
companion recall of the affected vehicles.
Identify the Remedy
Describe the defect/noncompliance remedy program, including the manufacture’s plan for
reimbursement.: Repairs will be performed by Cummins Inc. authorized service facilities by
recalibrating the Engine Control Module with a corrected calibration. DTNA will work with Cummins for
the repair procedure in the field. Copies of the reimbursement plan will be submitted as a supplemental
report when available.
Identify the Recall Schedule
Describe the recall schedule for notifications.: Customer notification will be made by first class mail
by Cummins Inc. using Daimler Trucks North America records to determine the customers affected.
Planned Dealer Notification Begin Date: 04/25/2021
Planned Dealer Notification End Date: 04/25/2021
Planned Owner Notification Begin Date: 04/25/2021
Planned Owner Notification End Date: 04/25/2021
Manufacture’s identification code for this recall (if applicable): FL-879
DTNA Representative;
Larissa Stoffels
Executive Manager, Vehicle Safety
Compliance and Regulatory Affairs

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The information contained in this letter supercedes and supplements any related policies and procedures in any previously
released bulletins, the Warranty Manual, and/or previously released letters. Failure to read or distribute this letter will not
exempt addressees from compliance with the information contained herein.
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Daimler Trucks North America LLC
REF #: ICI21-009
Effective: 04/09/2021
Release: 04/09/2021
SUBJECT: FL879 – Cummins Engine Control Module Calibration
(Companion Campaign)
This letter is to inform you that Recall FL879 – Cummins Engine Control Module Calibration is a supplier
responsible recall.
Cummins has released safety recall C2409 – B6.7N 500K Baud Calibration Safety Campaign.
Note for DTNA dealers: The recall will be completed by Cummins Distributors and authorized Warranty
Dealers and is currently available. This ICI letter is for your information should the dealership get any
questions. For your reference, a copy of the Cummins owner notice concerning recall #C2409 is on the
following page.
If you have questions or concerns about this recall, please contact your local Cummins Distributor or
authorized Warranty Dealer. You may also contact Cummins Care at 1-800-CUMMINS (1-800-286-6467),
or visit our website at care.cummins.com.
If you have questions or need further information, contact the Warranty Campaigns Department by
submitting an inquiry through the WSC Link on DTNAConnect.
WARRANTY CAMPAIGNS DEPARTMENT
P.O. Box 4090 800-547-0712
Portland, Oregon 97208-4090
ATTENTION: Dealer Principal, Warranty Manager, Service
Manager, Parts Manager
Freightliner Dealers – U.S. and Canada
Western Star and Sterling Dealers – U.S. and Canada
FCCC Dealers – U.S. and Canada
Thomas Built Buses Dealers – U.S. and Canada
Direct Warranty Customers – U.S. and Canada
Detroit Diesel Distributors
Export Distributors
If you have questions
about this Letter, please
submit your inquiry on the
Web using the WSC Link
on DTNAConnect
The information contained in this letter supercedes and supplements any related policies and procedures in any previously
released bulletins, the Warranty Manual, and/or previously released letters. Failure to read or distribute this letter will not
exempt addressees from compliance with the information contained herein.
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***IMPORTANT SAFETY RECALL***
NHTSA Recall No. 21E014
Cummins Campaign #C2409
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Dear Cummins Westport Customer:
This notice is sent to you in accordance with the requirements of the National Traffic and Motor Vehicle
Safety Act.
Cummins Westport Inc. has decided that a defect which relates to motor vehicle safety exists in certain
B6.7N Engines that were manufactured between February 6, 2019 and September 1, 2020.
This notice applies to your engine(s) listed in the table on the enclosed list.
WHY IS A RECALL BEING CONDUCTED?
Due to an Engine Control Module (ECM) calibration error, the engine may not properly limit engine torque
or speed when requested by certain electronic controllers on the vehicle. If the request comes from certain
electronic controllers that perform safety-related functions (e.g., Traction Control or Collision Avoidance),
this condition may increase the risk of a crash.
WHAT ARE WE DOING ABOUT THE PROBLEM?
Cummins Westport and Cummins have released field Safety Campaign #C2409 “B6.7N 500k Baud
Calibration Safety Campaign” to correct this condition by recalibrating the Engine Control Module with a
corrected calibration. This campaign is currently available at Cummins Distributors and authorized
Warranty Dealers. The repair will be completed free of charge and most applications will require
approximately 30 minutes to complete.
WHAT SHOULD YOU DO?
Contact the nearest Cummins Distributor or authorized Warranty Dealer to arrange to have this campaign
performed on your engine. The distributor or dealer will work with you to schedule the best date to
complete this repair.
Federal law requires vehicle lessors receiving this recall notice to forward a copy of this notice to the lessee
within ten (10) days. Also, it is a violation of Federal law for a dealer to deliver a new vehicle or equipment
covered by this recall notice under a sale or lease until the defect has been remedied.
The information contained in this letter supercedes and supplements any related policies and procedures in any previously
released bulletins, the Warranty Manual, and/or previously released letters. Failure to read or distribute this letter will not
exempt addressees from compliance with the information contained herein.
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WHO SHOULD YOU CONTACT IF YOU HAVE FURTHER QUESTIONS OR CONCERNS?
If you have questions or concerns about this recall, please contact your local Cummins Distributor or
authorized warranty dealer. You may also contact Cummins Care at 1-800-CUMMINS (1-800-286-6467),
or visit our website at care.cummins.com.
If you have a complaint relative to this recall, you may report it to the following:
Administrator
National Highway Traffic Safety Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
You may also call the toll-free Vehicle Safety Hotline at 1-888-327-4236 (TTY: 1-800-424-9153); or go to
https://www.safercar.gov.
If you have not registered your Cummins product, please complete the enclosed registration card or
register your product at https://prodreg.cummins.com/prodreg/#/webform/contactInfo.
If you are no longer the owner of the engine or vehicle listed in the table below, please forward this notice
to the new owner or provide the new owner’s contact information to Cummins so that we can notify them of
this recall.
Cummins Westport and Cummins are taking this action in the interest of safety and satisfaction with our
products. We apologize for any inconvenience and thank you for your attention to this matter.
Sincerely,
Campaign Administrator
Cummins Inc.

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