This Cummins DEF level fault document is a troubleshooting PDF for Fault Code 3497 on CM2250 engines. It explains the aftertreatment diesel exhaust fluid tank level circuit, how the fault sets, what happens when it is active, and how to confirm clearing with INSITE™ electronic service tool.
Official Cummins DEF level fault document details
| Brand | Cummins |
|---|---|
| Model coverage | ISB6.7 CM2250; also references ISX11.9 CM2250, ISC8.3 and ISL9 CM2250, ISX15 CM2250, GX CM2250, QSL9 CM2250, and QSB6.7 CM2250 |
| System/Group | ISB6.7 CM2250 (2010-12) / DTCs; Aftertreatment Diesel Exhaust Fluid Tank Level Circuit |
| Publication no. | 4022254 for ISB6.7 CM2250; associated procedure table also lists 4022257, 4022250, 2883445, 4022256, and 4022255 for other engine models |
| Year/Revision | Last Modified: 11-Jun-2010 and 18-Jan-2011 |
| Pages | 6 |
| 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
- 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 1A – Read the fault codes.
- Guided Step 2 – Check ECM calibration and clear fault codes.
- Guided Step 2A – Check if an ECM calibration update is available.
- Guided Step 2B – Disable the fault code.
Applicable truck models
This file applies to Cummins CM2250 engine diagnostics where Fault Code 3497 reports Aftertreatment Diesel Exhaust Fluid Tank Level – Data Valid But Below Normal Operating Range – Least Severe Level. The extract identifies ISB6.7 CM2250 coverage and references associated ECM calibration procedures for ISC8.3 and ISL9 CM2250, ISX15 CM2250, GX CM2250, ISX11.9 CM2250, QSL9 CM2250, and QSB6.7 CM2250. The diesel exhaust fluid level sensor is located in the DEF tank, and the tank and sensor location are OEM dependent. For manufacturer information, visit Cummins official website.
Who needs this Cummins DEF level fault manual
Workshop owners, diesel technicians, and fleet mechanics need this guide when diagnosing an active SPN 1761 FMI 17 condition, checking whether the DEF tank level is low, or verifying that the Diesel Exhaust Fluid Lamp turns off after the diagnostic runs and passes. It also supports INSITE™ checks for ECM code and revision number before using Procedure 019-032 for calibration work.
The full PDF is available in the DiagTechPro manuals library, free account required to download.
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