This Cummins ISB6.7 1883 document covers Fault Code 1883 for the aftertreatment diesel particulate filter differential pressure sensor. It explains the circuit, fault conditions, ECM actions, diagnostic steps, harness checks, calibration review, and clearing procedure for the 14-page PDF.
Official Cummins ISB6.7 1883 document details
| Brand | Cummins |
|---|---|
| Model coverage | ISB, ISC, and ISL with CM2150; ISB6.7 CM2150 (2007-09) |
| System/Group | Aftertreatment Diesel Particulate Filter Differential Pressure Sensor; DTCs |
| Year/Revision | Last Modified: 06-Aug-2010 |
| Pages | 14 |
| File size | 0.3 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 for sensor circuit fault codes.
- Guided Step 2 – Check the aftertreatment diesel particulate filter differential pressure sensor and circuit.
- Guided Step 3 – Check the ECM and OEM harness.
- Guided Step 4 – Check ECM calibration and clear fault codes.
Applicable truck models
This procedure applies to Cummins ISB, ISC, and ISL engines with CM2150 controls, including the ISB6.7 CM2150 (2007-09) group shown in the file information. The exact aftertreatment system location is OEM-dependent, and the document directs technicians to the OEM service manual for sensor location details. The fault is listed as Fault Code: 1883, PID: S324, SPN: 3251, FMI: 2/2, with an amber lamp and disabled active aftertreatment diesel particulate filter regeneration when active. For manufacturer information, visit Cummins official website.
Who needs this Cummins ISB6.7 1883 manual
Workshop owners, diesel mechanics, and diagnostic technicians need this Cummins ISB6.7 1883 manual when troubleshooting an erratic, intermittent, or incorrect aftertreatment diesel particulate filter differential pressure sensor reading. It is useful when checking INSITE fault codes 1879, 1881, and 1883, inspecting connector pins, testing OEM harness resistance, and confirming ECM calibration status.
The procedure describes a 5 volt sensor supply, sensor return, and signal circuit from the ECM to the aftertreatment diesel particulate filter differential pressure sensor. It includes connector inspections for loose connectors, corrosion, bent or broken pins, pushed back or expanded pins, moisture, missing seals, dirt, damaged shells, wire insulation damage, and locking tab damage. Electrical checks include less than 10 ohms for harness resistance and greater than 100k ohms for pin-to-ground and pin-to-pin short circuit tests. Repair paths include cleaning connectors, repairing damaged harnesses or pins, replacing the OEM harness where required, checking ECM calibration revision history in QuickServe Online, and using INSITE electronic service tool to disable and clear the fault after operating the engine under the specified clearing conditions.
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