This Cummins 3558 troubleshooting manual is a 12-page fault code document for diagnosing Aftertreatment Diesel Exhaust Fluid Dosing Unit voltage above normal or shorted to high source. It explains Fault Code 3558, SPN 3361 FMI 3, the amber lamp response, disabled DEF injection, and guided checks using INSITE™ electronic service tool.
Official Cummins 3558 troubleshooting manual document details
| Brand | Cummins |
|---|---|
| Model coverage | ISB6.7 CM2250; associated coverage also lists ISX11.9 CM2250, ISC8.3 and ISL9 CM2250, ISX15 CM2250, GX CM2250, ISF2.8 CM2220, and ISF3.8 CM2220 AN |
| System/Group | ISB6.7 CM2250 (2010-12) / DTCs; Aftertreatment Diesel Exhaust Fluid Dosing Unit Circuit |
| Publication no. | Not stated for this PDF; associated ISB6.7 CM2250 bulletin number 4022254 is listed |
| Year/Revision | Last Modified: 07-Dec-2010; overview section shows 11-Jun-2010 |
| Pages | 12 |
| File size | 0.2 MB |
| Format | |
| Language | English |
Document table of contents
- Overview
- Circuit Description
- Component Location
- Conditions for Running the Diagnostics
- FAULT CODE 3558 – Aftertreatment Diesel Exhaust Fluid Dosing Unit – Voltage Above Normal or Shorted to High Source
- 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 2A – Inspect the aftertreatment diesel exhaust fluid dosing unit and electrical connections
- Guided Step 2B – Check the circuit response
- Guided Step 2C – Check the fault codes and verify the aftertreatment diesel exhaust fluid dosing unit condition
- Guided Step 3B – Check the circuit response
- Guided Step 4 – Check ECM calibration and clear fault codes
- Guided Step 4A – Check if an ECM calibration update is available
- Guided Step 4B – Disable the fault code
Applicable truck models
This file is listed under Cummins ISB6.7 CM2250 DTCs and the extract identifies the diagnostic as applying to the Aftertreatment Diesel Exhaust Fluid Dosing Unit Circuit for ISX11.9 CM2250, ISB6.7 CM2250, ISC8.3 and ISL9 CM2250, and ISX15 CM2250. The associated procedures table also references ISF2.8 CM2220, ISF3.8 CM2220 AN, and GX CM2250 procedures for the controller, dosing unit, and ECM calibration code. Component location is OEM dependent, so the document directs users to the OEM service manual for vehicle-specific placement. See the official manufacturer site at Cummins.
Who needs this Cummins 3558 troubleshooting manual manual
Workshop technicians and fleet repair staff need this document when Fault Code 3558 is active or intermittent and DEF injection has been disabled. It supports connector inspection, harness short checks, controller replacement decisions, ECM calibration review, and final fault clearing with INSITE™.
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