NHTSA ID Number: 11027445
Manufacturer Communication Number: C7054
TSB/Document Date: 2026-01-07
Summary
This Warranty Field Campaign describes the recalibration steps for the engine control module calibration which may falsely detect that the engine is not warming up as expected, resulting in false-positive fault codes being reported. This is an update to the previously submitted communication.
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TSB/Document ID: C7054
Replacement Service Bulletin Number:
MFR Communication Date: 2025-12-11
MFR Internal Campaign ID/Software Version: C7054
Communication Type: Service Campaign
NHTSA Components: ENGINE
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
Warranty Field Campaign
Campaign Number: c7054
Revision: A
Released Date: 11-Dec-2025
Expiration Date (U.S. and Canada): 15-Jul-2026
Expiration Date (International): 15-Jul-2026
X15 X3 CM2450 X142B Calibration Improvement Campaign
Attention
U.S. / Canadian Distr./Branches and Div. Offices (Automotive)
This is to revise and replace ATC7054, dated 18-Jul-2024. This revision is to:
1. Extend Expiration Date to 15-Jul-2026
If additional information is required, please contact your Cummins Warranty Operations Group Leader.
Description
This campaign is being issued to recalibrate the Engine Control Module (ECM) on certain X15 certified engines. A software adjustment has been released that may
improve engine diagnostics related to Fault Code 3243 false occurrences. This campaign enables authorized service locations to calibrate the ECM to the latest revision.
Action
In order to qualify for repair under this field action, an engine:
1. will be covered Regardless of coverage status, and
2. must show as OPEN on QuickServe® Online for this field action.
Note : The ESN list is attached for reference.
After verifying that the engine meets the above requirements, perform the following actions:
1. Use the ECM Calibration Revision History available on QuickServe® Online to confirm the revision date of the calibration currently installed in the engine. If ECM
already contains the most recent calibration revision, DO NOT recalibrate the engine, no further action is needed. File a claim for appropriate Admin and 17-902
Campaign Check to close the eligibility of the engine.
2. If a previous calibration revision is installed, download the latest calibration available on QuickServe® Online. Use the calibration revision history date to identify the
latest calibration revision available. Please refer to Procedure 019-032 in the appropriate Service Manual.
3. File one claim for the required labor associated with this repair. SRT 17-902 should ONLY be claimed if the unit DID NOT require calibration.
Material Disposition
There are no materials involved in the field action.
Reimbursements
Parts
There are no parts covered in this field action.
Note : SRTs to gain access that are required to complete the repair, that are sufficiently explained in the claim narrative, may also be claimed on this
action.
Note : All SRTs listed are OPTIONAL. Select ONLY the appropriate SRTs for the repair performed.
Labor Using Applicable Access Code and Time
SRT Code
Description
00-90F
Technician Administrative Time - Field Action Service
Events (OPTIONAL)
17-902
CAMPAIGN CHECK (OPTIONAL)
19-0G5
Engine Control Module Calibration Code - Transfer
(CMI) (OPTIONAL)
Time (hrs)
Travel
Travel is not covered under this field action. Towing is not covered under this field action.
Other Claimables
Consumables are covered under this field action.
Note : Additional parts, such as o-rings, gaskets and fasteners, that are required to complete the repair, but not listed, may be claimed in Other
Claimables. Please consolidate all consumables and claim them as one line item in Other Claimables titled CAMPAIGN SUPPLIES or other
appropriate selections. Please include brief summaries on the details of items claimed. A lack of documentation in the narrative may result in a
reduction in claim reimbursement or claim denial.
Claim Instructions
For Cummins Dealers, claims for this Field Campaign must be filed via RAPIDSERVE™ Web (rsw.cummins.com). For information regarding RAPIDSERVE™ Web, please
reference the "Warranty" tab in QuickServe® Online. If there are additional questions, please contact your local Cummins Distributor.
Claim Codes
Description
Code
Account Code:
65
Pay Code:
North America Distributor = X
Pay Code:
North America Dealer = D
Pay Code:
International Distributor = I
Pay Code:
International Dealer = R
Failure Code:
WEQPEQ
Attachments
Click here to see c7054_esn-list.xlsx
(/service/english/attachments/c7054_esn-list.xlsx)
Engine Family
Fuel System
ISX, QSX15 ISX15
ISX, QSX15 ISX15
Design Application
Market Application
Automotive
Automotive
Automotive
Fire Truck
Document History
Date
Details
Document Created; 18-Jul-2024
Extend Expiration Date to 15-Jul-2026; 11-Dec-2025
Last Modified: 11-Dec-2025
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