This document is a Cummins DEF fault 3547 troubleshooting manual for aftertreatment diesel exhaust fluid tank empty diagnostics. It explains the fault condition, ECM response, INSITE checks, calibration review, clearing steps, and repair validation for Code 3547.
Official Cummins DEF fault 3547 document details
| Brand | Cummins |
|---|---|
| Model coverage | ISB6.7 CM2250, ISC8.3 and ISL9 CM2250, ISX11.9 CM2250, ISX15 CM2250 |
| System/Group | Aftertreatment diesel exhaust fluid tank empty / DTCs |
| Publication no. | Not specified; associated bulletin numbers include 4022254, 4022257, 4022250, and 2883445 |
| Year/Revision | Last modified 31-Dec-2010 and 11-Jun-2010 |
| Pages | 5 |
| File size | 0.2 MB |
| Format | |
| Language | English |
Document table of contents
- Overview
- Circuit Description
- Component Location
- Conditions for Running the Diagnostics
- Conditions for Setting the Fault Codes
- FAULT CODE 3547 – Aftertreatment Diesel Exhaust Fluid Tank Empty – Condition Exists
- 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 ECM calibration and clear fault codes
- Guided Step 2B – Disable the fault code
Applicable truck models
This file applies to Cummins CM2250 engine platforms listed in the procedure: ISB6.7 CM2250, ISC8.3 and ISL9 CM2250, ISX11.9 CM2250, and ISX15 CM2250. The extract identifies the aftertreatment diesel exhaust fluid level sensor as being located in the diesel exhaust fluid tank, with tank and sensor location dependent on the OEM installation. For official engine and support information, visit Cummins official website.
Who needs this Cummins DEF fault 3547 manual
Mechanics, fleet technicians, and workshop owners need this file when a truck shows Fault Code 3547, SPN 4096 FMI 31, indicating that the diesel exhaust fluid tank is empty and the dosing unit is unable to prime. The procedure helps confirm the active code with INSITE™ electronic service tool, refill DEF, check ECM calibration revision history, and clear the fault after the clearing conditions are met.
The manual states that when this fault is active, the ECM can illuminate warning lamps, disable diesel exhaust fluid injection, severely reduce engine torque, and, after shutdown or extended idle, limit vehicle speed to 8 km/h [5 mph]. Normal engine power and vehicle speed are restored after refilling the DEF tank and passing the diagnostic. The full PDF is available in the DiagTechPro manuals library, free account required to download.
Related manuals library
Sản phẩm liên quan cho hãng này
Cùng brand theo taxonomy hiện có trong catalog WooCommerce.
Cummins INSITE 9.3 – The Essential Diagnostic Tool for Cummins Engines
Cummins Calterm Version 5.16 – Advanced ECM Control and Precision Tuning for Cummins Engines
Cummins InCal CE – The Calibration and Configuration Tool for Cummins Engines
