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Document ID: IK2600296

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10/16/2025

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Last Modified: 12/9/2025

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Title : Vehicle Programming Information Associated With S13 Engines
Applies To : S13, T14, PIM, & ACM

CHANGE LOG
Please refer to the change log text box below for recent changes to this article:
12/09/2025 - Initial Article Release

Description
This document aims to enable technicians to:
1. Accurately identify S13 engine control systems.
2. Understand the programming intricacies related to these systems.
3. Autonomously complete programming tasks without needing technical support.

Table Of Contents
Timeline

Connecting To An S13
Engine

S13 Horsepower Quotes

Hardware/Software
Integrations

Source Addresses

S13 Engine Swaps

How S13 Modules Work

S13 Module Parts
Information

Common Programming Issues With S13
Systems

Timeline

Return to Top

Software/Hardware Integrations
Service Diagnostic Systems (SDS): Supported. Used for diagnostics & parameter changes.
DLB: Supported.
360 Write Up: Supported.
The programming station works with this engine type.
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How S13 Modules Work
Baud Rate: 500k
ECM: Engine Control Module - controls the base engine functions like fuel compensation factor, engine fan control, and
overspeed protection. Programming options for ECM functions can be found in the "Engine" section of the Body Builder site.
PIM: Powertrain Integration Module - controls a variety of functions including ramping the engine with the cruise control switches.
Programming options for PIM functions can be found in the "Engine" section of the Body Builder site.
TCM: Transmission Control Module - controls transmission, power take off (PTO), and a variety of other functions. Programming
options for TCM functions can be found in the "Transmission" section of the Body Builder Site.
ACM: Aftertreatment Control Module - controls aftertreatment function
Functional info:
All 4 modules communicate on the public 1939 data link. They all show up on data link sniffers.
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Connecting To An S13 Engine
When SDS connects to an S13, you should see data similar to the screenshots below
Full SDS Screen

ECM

PIM

TCM

ACM

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S13 Source Addresses
The ECM broadcasts source address 0 on the 1939 data link.
The PIM broadcasts source address 39 on the 1939 data link.
The TCM broadcasts source address 3 on the 1939 data link.
The ACM broadcasts source address 61 on the 1939 data link.
These source addresses can be seen in the SDS sniffer.
If you are using a Nexiq communication cable, you could check the Nexiq Device Tester to see if the source addresses
listed above show on the "1939 data channel 1 link".
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S13 Module Parts Information
If you need engine identification information, please see IK2600242.
For more module pictures, please see IK2600273.

↑ ECM ↑

↑ PIM ↑

🠣 TCM 🠣

🠣 ACM 🠣

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S13 Horsepower Quotes
Horsepower changes are supported for S13 engines. Follow the process outlined in IK2600069 to submit a case file for a
horsepower quote.
Below is some general ratings information.
S13 engines are capable of handling horsepower ratings from 370-515 hp.
Even though engines can be programmed within a range of different horsepower ratings, that doesn’t mean that every truck
qualifies for the highest available horsepower. International will only support horsepower changes that were available for
your engine, in your chassis, for your truck’s build date.
If the engine you’re considering already has the highest possible rating, no increases are available. There is no need to
submit a case requesting a horsepower quote for an engine that is already at the highest rating. If you submit a request to
increase horsepower and your engine is currently rated at 515 hp, your case file will receive the response that “no increases
are available”.
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S13 Engine Swaps
See IK2600047 for information about engine swaps. Programming changes may be needed in order to accommodate an
engine swap. There are some instances where International CANNOT support and engine swap. If you have any doubts about
whether your engine swap will be supported by International, please start a case file with the Vehicle Programming group and
we will let you know if International will support the swap. It is advisable to do this BEFORE swapping the engine. The potential
negative outcome would be that you install an engine that International cannot support – then we would not be able to provide
you with the correct programming.

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Common Programming Issues With S13 Systems
1. "Sub Function Not Supported" message in SDS.
Cause: One (or more) of the modules is blank.
Fix: Use SDS to program the blank module (SDS > Menu > find "Programming" option under the module that is
blank > select the "Blank Flash" option associated with the module that is blank).
2.

If the ECM (or any of the 4 modules) is missing from the right pane in SDS
and one of the other modules shows "sub function not supported,"
then (fix): follow the process documented in item 1 above.

3. "No History" error during blank module flashing
Fix: Open a case file with the Vehcile Programming group.
Return to Top

OTHER RESOURCES
Master Service Information Site
RC2600001 - Vehicle Programming Resource Center
TEM/Body Builder Resources
Remote Keyless Entry (RKE) Fob Programming

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