This Cummins fault 3418 document is a troubleshooting PDF for Transmission Output Shaft Speed – Received Network Data In Error on CM2250 engines. It explains how the Cummins ECM receives SAE J1939 multiplexed data from an OEM VECU or transmission electronic control unit, and how Fault Code 3418 is diagnosed, cleared, and validated.
Official Cummins fault 3418 document details
| Brand | Cummins |
|---|---|
| Model coverage | ISB6.7 CM2250; also references ISC8.3 CM2250, ISL9 CM2250, ISX11.9 CM2250, ISX15 CM2250, GX CM2250, QSL9 CM2250, and QSB6.7 CM2250 in associated procedures. |
| System/Group | ISB6.7 CM2250 (2010-12) / DTCs |
| Publication no. | Not stated. Associated bulletin numbers shown include 4022254, 4022257, 4022250, 2883445, 4022256, and 4022255. |
| Year/Revision | Unknown; extract shows Last Modified: 11-Jun-2010 and Last Modified: 08-Dec-2010. |
| Pages | 7 |
| File size | 0.2 MB |
| Format | |
| Language | English |
Document table of contents
- Overview
- Circuit Description
- Component Location
- FAULT CODE 3418 – Transmission Output Shaft Speed – Received Network Data In Error
- Conditions for Running the Diagnostics
- Conditions for Setting the Fault Codes
- Action Taken When the Fault Code is Active
- Conditions for Clearing the Fault Code
- Shop Talk
- Associated Procedures
- Troubleshooting Steps
- Guided Step 1 – Check the fault codes.
- Guided Step 2 – Check the OEM VECU and engine ECM for proper multiplexing configuration.
- Guided Step 3 – Check ECM calibration and clear fault codes.
Applicable truck models
This procedure applies to Cummins CM2250 engine applications where the engine ECM uses SAE J1939 data link messages from an OEM VECU or transmission electronic control unit. The extract specifically lists ISB6.7 CM2250 coverage and associated ECM Calibration Code procedures for ISC8.3 CM2250, ISX15 CM2250, GX CM2250, ISX11.9 CM2250, QSL9 CM2250, and QSB6.7 CM2250. The fault concerns the transmission output shaft speed sensor signal as reported over the network by the J1939 multiplexing controller. For engine and service program information, visit the Cummins official website.
Who needs this Cummins fault 3418 manual
Workshop owners, diesel technicians, and fleet mechanics need this Cummins fault 3418 manual when INSITE™ electronic service tool shows SPN 191 FMI 19 with an amber CHECK ENGINE lamp or MIL. It is useful for checking active fault status, comparing OEM VECU source addresses and multiplexing component enables against the engine ECM configuration, reviewing ECM calibration revision history, and validating that the fault becomes inactive after the required clearing conditions.
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