This Cummins Fault 555 document is a troubleshooting manual for crankcase pressure faults on CM2250 engines. It explains the circuit description, fault conditions, INSITE™ checks, crankcase ventilation inspection, blowby measurement, ECM calibration review, and final fault clearing steps.
Official Cummins Fault 555 document details
| Brand | Cummins |
|---|---|
| Model coverage | ISB6.7 CM2250, ISC8.3 and ISL9 CM2250, ISX11.9 CM2250, ISX15 CM2250, QSB6.7 CM2250, QSL9 CM2250, ISM11 CM876 SN, GX CM2250 |
| System/Group | ISB6.7 CM2250 (2010-12) / DTCs; Crankcase Pressure Sensor Circuit |
| Publication no. | 4022254, 4022257, 4022196, 4022250, 2883445, 4022256, 4022255 |
| Year/Revision | Last Modified: 18-Jan-2011; overview section Last Modified: 11-Jun-2010 |
| Pages | 11 |
| 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 – Inspect the crankcase ventilation system.
- Guided Step 3 – Measure the crankcase blowby.
- Guided Step 4 – Check ECM calibration and clear fault codes.
Applicable truck models
This file applies to Cummins CM2250 engine troubleshooting where Fault Code 555 is logged for crankcase pressure data valid but above normal operating range. The extract lists ISB6.7 CM2250 as the main group and also references ISC8.3 and ISL9 CM2250, ISX11.9 CM2250, ISX15 CM2250, QSB6.7 CM2250, QSL9 CM2250, ISM11 CM876 SN, and GX CM2250 in the associated procedures table. The covered system is the crankcase pressure sensor circuit, including the crankcase ventilation filter, crankcase breather element, breather tube, oil drain tubes, check valves, oil separator, crankcase pressure sensor, crankcase blowby measurement, and ECM calibration code procedures. For manufacturer information, visit Cummins official website.
Who needs this Cummins Fault 555 manual
Workshop owners, diesel technicians, and fleet mechanics use this manual when an amber CHECK ENGINE lamp is linked to SPN 101, PID P101, FMI 16/16. It supports diagnosis with INSITE™ electronic service tool, sensor accuracy checks at 0 ± 0.28 kPa-G [0 ± 1.13 in H2O], maintenance interval review, ventilation restriction inspection, blowby testing under load, calibration verification, and fault code clearing.
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
