This Cummins code 143 document is a diagnostic troubleshooting PDF for Fault Code 143 on ISB6.7 CM2150 related engine oil rifle pressure faults. It explains the ECM oil pressure sensor circuit, fault conditions, warning lamp action, torque derate, clearing conditions, and the first guided troubleshooting step using INSITE™ electronic service tool.
Official Cummins code 143 document details
| Brand | Cummins |
|---|---|
| Model coverage | ISB6.7 CM2150 (2007-09); extract also references ISC and ISL with CM2150 and ISC and ISL CM2150 Service Manual coverage. |
| System/Group | DTCs; Engine Oil Rifle Pressure – Data Valid but Below Normal Operational Range – Moderately Severe Level. |
| Publication no. | Not stated for this PDF. Referenced service manuals include Bulletin 4021578 and Bulletin 4021569. |
| Year/Revision | Year unknown; last modified 20-Jul-2010. |
| Pages | 4 pages |
| 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 – Check for Fault Code 143.
Applicable truck models
This file applies to Cummins ISB Series 6.7L Engines using CM2100 and CM2150 Common Rail Fuel Systems, with the file information identifying ISB6.7 CM2150 (2007-09). The extract also names ISC and ISL with CM2150 and directs the repair path to the ISC and ISL CM2150 Service Manual when appropriate. The component covered is the engine oil pressure sensor, located on the left side of the engine block, and the fault concerns engine oil rifle pressure below the engine protection warning limit. For official manufacturer resources, visit Cummins official site.
Who needs this Cummins code 143 manual
Workshop owners, diesel mechanics, and fleet technicians need this file when an amber CHECK ENGINE light appears with SPN 100, PID P100, FMI 1/18, and a progressive torque derate. It is useful for confirming whether Fault Code 143 has active or inactive counts before following the Lubricating Oil Pressure Low troubleshooting symptom tree.
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 Calterm Version 5.16 – Advanced ECM Control and Precision Tuning for Cummins Engines
Cummins INSITE 9.3 – The Essential Diagnostic Tool for Cummins Engines
Cummins InCal CE – The Calibration and Configuration Tool for Cummins Engines
