This Cummins fault 2754 document is a troubleshooting manual for Engine Diesel Particulate Filter Intake Pressure on CM2250 engines. It explains why Fault Code 2754 is logged, what conditions run and clear the diagnostic, and which aftertreatment, air handling, and sensor checks are used before clearing the code.
Official Cummins fault 2754 document details
| Brand | Cummins |
|---|---|
| Model coverage | ISB6.7 CM2250; associated procedure references also list ISC8.3 and ISL9 CM2250, ISX CM2250, GX CM2250, ISX11.9 CM2250, QSL9 CM2250, and QSB6.7 CM2250. |
| System/Group | ISB6.7 CM2250 (2010-12) / DTCs; Engine Diesel Particulate Filter Intake Pressure |
| Publication no. | Not stated in the extract; associated bulletin numbers include 4022254, 4022257, 4022250, 2883445, 4022256, and 4022255. |
| Year/Revision | Last Modified: 11-Jun-2010 and 30-Dec-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
- 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 air intake system for leaks.
- Guided Step 3 – Check the intake manifold pressure sensor.
- Guided Step 4 – Check the barometric pressure sensor.
- Guided Step 5 – Check ECM calibration and clear fault codes.
Applicable truck models
The file is for Cummins ISB6.7 CM2250 fault code work, with the aftertreatment diesel particulate filter located in the exhaust system and installed by the OEM. The associated procedures table also identifies related CM2250 engine coverage for ISC8.3 and ISL9 CM2250, ISX CM2250, GX CM2250, ISX11.9 CM2250, QSL9 CM2250, and QSB6.7 CM2250, but the file information groups this item under ISB6.7 CM2250 DTCs. Official manufacturer information is available from Cummins.
Who needs this Cummins fault 2754 manual
Workshop technicians need this Cummins fault 2754 manual when an amber lamp appears with SPN 81 FMI 16 and the ECM reports diesel particulate filter intake pressure data valid but above normal range. It is useful for mechanics checking black smoke, soot accumulation, boost leaks, VGT or EGR faults, in-range sensor faults, misfire, overfueling, charge-air cooler restriction, and ECM calibration status.
The troubleshooting flow uses INSITE™ electronic service tool checks, mechanical gauge comparisons, local barometric pressure comparison, and directed repair decisions such as repairing leaking components, cleaning or replacing the charge-air cooler, replacing a barometric pressure sensor, calibrating the ECM, or returning to the troubleshooting steps. Full PDF available in the DiagTechPro manuals library, free account required to download.
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