This Cummins EGR fault DTCs document is a 12-page troubleshooting PDF for Fault Code 2353, covering the EGR valve control circuit on CM2250 engines. It explains the circuit description, fault conditions, effects, connector inspections, resistance checks, ECM calibration review, and fault-code clearing steps.
Official Cummins EGR fault DTCs document details
| Brand | Cummins |
|---|---|
| Model coverage | ISB6.7 CM2250; associated procedures also list ISC8.3 and ISL9 CM2250, ISX15 CM2250, ISX11.9 CM2250, QSL9 CM2250, and QSB6.7 CM2250. |
| System/Group | ISB6.7 CM2250 (2010-12) / DTCs; EGR Valve Control Circuit |
| Publication no. | 4022254 for ISB6.7 CM2250 associated procedures |
| Year/Revision | Last Modified: 11-Jun-2010; troubleshooting section Last Modified: 04-Feb-2011 |
| Pages | 12 |
| 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 2 – Check the EGR valve motor and circuit.
- Guided Step 3 – Check the ECM and engine harness.
- Guided Step 4 – Check ECM calibration and clear fault codes.
Applicable truck models
The extract identifies the EGR valve control circuit procedure for ISB6.7 CM2250 and lists associated engine coverage for ISC8.3 and ISL9 CM2250, ISX15 CM2250, ISX11.9 CM2250, QSL9 CM2250, and QSB6.7 CM2250. Fault Code 2353 is defined as “EGR Valve Control Circuit – Current Above Normal or Grounded Circuit,” with SPN 2791 and FMI 6/6, and the document states that a short circuit to ground has been detected in the EGR valve motor circuit. The EGR valve is located on the air intake connection, and the ECM commands the EGR motor A, B, and C wires to move the valve while position sensors report valve position back to the ECM. Manufacturer information is available at Cummins official website.
Who needs this Cummins EGR fault DTCs manual
This manual is useful for mechanics, fleet technicians, and workshop owners diagnosing an active or stored Fault Code 2353 with INSITE™ electronic service tool. It supports checks for dirty or damaged connector pins, EGR motor resistance greater than 100k ohms, short circuits to ground, pin-to-pin shorts, engine wiring harness faults, ECM replacement authorization, and ECM Calibration Code review.
The full PDF is available in the DiagTechPro manuals library, free account required to download.
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