IK3100005 Service Bulletin/Repair Instructions

CANADA, MEXICO, UNITED
Countries: STATES Document ID: IK3100005

+ Availability: ISIS, IsSIR Revision: 4

i O W Major System: CALIBRATION Created: 5/22/2024

purrent . English Nin a: 9/4/2025

Knowledge Base anguage: oe

Other Languages: NONE Author: Jeff Polich

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Ss 2B S 8 @ G8 WwW
Title:$13 (EPA 2024) Calibration Revision History
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Applies To: $13 Integrated (S13 Engine, T14 Transmission & Aftertreatment)
CHANGE LOG
Please refer to the change log text box below for recent changes to this article:
09/04/2025 - Added RC6 Calibration Changes

104/07/2025 - Added RC5 Calibration Changes

01/29/2025 - Added RC4 Calibration Release

109/23/2024 - Initial Article Release
DESCRIPTION
This article will provide the calibration revision history for $13 Integrated EPA 2024 Powertrains.
NOTE: Calibrations will update to the most recently released calibration. The latest calibration content will include all previously

released calibration content.
NOTE: International utilizes campaigns and diagnostics to assess the necessity of calibration updates. Warranty claims may be

denied if there is no active campaign or if diagnostics do not indicate that a calibration update is required.”
Calibration Update Advisory:
e After a TCM calibration update, the vehicle may lose its Initial Vehicle Movement response ("Urge to Move"). To resolve

this, use SDS: TCM > Procedures > Reset: Accelerometer Adaption and click Reset.
Current Calibration Release
High Level Overview of the "RC6" Calibration Release
e Misfire: SPN 1322 through 1328 FMI 31 (Reduction of codes logging under false pretenses (resolves issue in a small

population))
Driver Rewards: Prevent Reset during key cycle
Fault Codes: 5835 FMI 9, 7030 FMI 9, SPN 105 FMI 20, SPN 110 FMI 20, SPN 175 FMI 20, SPN 157 FMI 18
Brake Switch Faults: Corrected fault codes were not being detected when a brake switch had failed
High Soot Load Reaction (SPN 3251/0): Reaction changed from when the vehicle is moving and not moving
High Level Overview of the "RC5" Calibration Release
Fuel Analytics: enhancements for On Command Connection Reporting

Regeneration: Updates to increase Performance
SDS Change: Fix for fan turning on when running service diagnostic tests

Codes: SPN 157 FMI 18, SPN 2067 FMI 9, and SPN 91 FMI 19

PTO: TSC1 messaging updates

Accumulators: Several accumulator changes

Transmission: (SPN 2607 FMI 9) Prevent Electronic Clutch Actuator Bricking Failures (Tow Event)
High Level Overview of the "RC4" Calibration Release
$13 Codes SPN 110, 105 & 175 FMI 20: Logging due to coolant heating with the engine not running.

Regeneration: Allow regeneration when Auto Start Stop is used for extended periods.
Hydrocarbon Desorb: Improvements implemented.
Compression Break: Improvements implemented.
Park Regeneration: Enhancements made.
DEF Line Freezing Protection: Upgrades introduced.
Additional Enhancements: Multiple other improvements are detailed below
High Level Overview of the "RC3" Calibration Release
Optimization of 50+ Diagnostic Trouble Codes (DTCs): Reduced false positive faults and related dash lights &

messages.

e Note: All related GUIDE Live Diagnostic Procedures now direct technicians to update the calibration. Additional

diagnostics are available if a code continues to set

Engine Fan Activation: During hot ambient temperature conditions in PTO mode to prevent PM Sensor overheating.

Compression Release Brake (CRB): Minimum engine speed for activation.

DEF Level Reading: Corrected the issue where the DEF level reads “O” after flashing.

Fuel Economy Reporting: Improved accuracy.

Additional Enhancements: Multiple other improvements are detailed below
Specific Details of the "RC6" Calibration Release

Fuel Analytics Updates.
RC6 Calibration Released on 09/XX/2025
MRC 24A33 and 24A34 to update calibration on trucks with S13 engines
Perform MRC to get latest updates
ECM Software ID: SxxxCMKA
SPN 1322 thru 1328 FMI 31 |/Reduction of codes logging under false pretenses (resolves the issue in a small population).
Corrected brake switch faults are not being detected when a brake switch has failed.
SPN 5835 FMI 9 Prevent code from logging under false pretenses.
SPN 7030 FMI 9 Prevent code from logging under false pretenses.
Engine fan operating state changes.
Injector adaptation values can now be read/write with DID.
Accumulator improvements
Long term solution to reduce the occurrence of false plausibility fault codes caused by engine

coolant circulation and heating when the engine is not running. This applies to trucks equipped

with aftermarket ESPAR heaters, Auxiliary Power Units (APU) integrated into the factory

coolant system, and trucks built with feature Code 16UZL (No Idle A/C by Bergstrom).
SPN 105 FMI 20

SPN 110 FMI 20

SPN 175 FMI 20
SPN 157 FMI 18 Monitor improvements to detect failure earlier.
The Split Shaft vehicle speed signal comes from the front axle speed signal.
ECM to honor TSC1 speed control request from body builder module when PIM signals on

CAN interlocks are met.
ECM reports that the source address is controlling the engine when the TSC1 source address

is in control of the engine.
FON seeding to support injector adaptation at manufacturing.
Boost monitor improvement for over, under boost, and slow response.
Turbocharger speed signal improvements.
Soot model fix when operating in SCR warmup mode.
Reaction change: When the vehicle is moving, change the 30-second delayed shutdown to no

SPN 3251 FMI 0 regeneration allowed. When the vehicle is NOT moving, change 30 second delayed shutdown

to an immediate shutdown.
\|Key on plausibility change for coolant and oil temp sensors.
ACM Software ID: SxxxDMKA
Correct a Nox Sensor mapping issue.
SPN 168 EMI 16 Frau spaction update to self-heal during the same key cycle if battery voltage returns to
Debounce timer change to detect refill detection.
Improve def delivery in cold ambient temperatures.
PIM Software ID: SxxxBMKA
Fuel Analytics Updates.
Momentary Road Speed Limit Override to allow 24-hour reset time.
Momentary Road Speed Limit Override real time clock change.
SPN 91 FMI 19 Prevent code from logging under false pretenses.
Created new accumulators for Trip and Total Fuel Used.
Fuel Economy reporting enhancements.
Fusion 3 enhancements.
PTO Performance updates related to TSC1 messaging.
Split Shaft enhancements.
Trip Report Full pedal reporting enhancements.
Trip Vehicle Overspeed reporting enhancements.
Transfer Case Status Update.
PIM to ECM Fuel Accumulator Request update rate change
TCM Software ID: SxxxEMKA
Split shaft message changes in the cluster to engage the split shaft
Low oil warning changes to have a fault code for low transmission oil
Brake hold improvements to prevent jerking of the vehicle when the service brake releases
Specific Details of the "RC5" Calibration Release
RC5 Calibration Released on 04/28/2025
MRC 24A33 and 24A34 to update calibration on trucks with S13 engines
Perform MRC to get latest updates
ECM Software ID: SxxxCLxA
SPN 157 FMI 18 Monitor Improvements
Corrected the deficiency for not logging brake switch faults
Split Shaft enhancements
Engine Performance updates
Cruise Control monitor improvements
Fix for Fan Change turning ON during the Fall down test/Cylinder Balance test
PTO Performance updates related to TSC1 messaging
J1939 data stream improvements
PM Sensor updates
DEF Line 2 ECM output change
Delta Pressure Sensor adaptation enhancements
ACM Software ID: SxxxDLKA
Increase the timer for DEF refile detection from 3 to 6 seconds
Malfunction Indicator Lamp Priority fix
DEF Pump monitor updates related to high voltage
PIM Software ID: SxxxBLKA (Not released to service)
TCM Software ID: SxxxEJKA

12 3

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