This code 435 DTCs document is a troubleshooting manual for engine oil pressure switch and sensor circuits on CM2150 engines. It explains the fault description, diagnostic conditions, connector checks, resistance tests, ECM harness checks, repair verification, and clearing steps using INSITE™.
Official code 435 DTCs document details
| Brand | Cummins |
|---|---|
| Model coverage | ISB6.7 CM2150 (2007-09), ISC, and ISL with CM2150 |
| System/Group | DTCs; engine oil pressure switch circuit; engine oil pressure circuit |
| Publication no. | 08-fc435 |
| Year/Revision | Last Modified: 08-Jan-2008; sections also show Last Modified: 20-Jul-2010 |
| Pages | 23 |
| File size | 0.6 MB |
| Format | |
| Language | English |
Document table of contents
- Fault Code Path Selection
- 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 engine oil pressure switch and circuit
- Guided Step 3 – Check the engine harness
- Guided Step 4 – Clear the fault codes
Applicable truck models
This file applies to Cummins ISB with CM2150, including the ISB6.7 CM2150 (2007-09) coverage shown in the file data, and also includes ISC and ISL with CM2150 diagnostic content. The ISB section covers the engine oil pressure switch on the front of the engine on the left intake side at the top of the front gear housing, while the ISC and ISL section covers the engine oil pressure sensor circuit and comparison to other absolute pressure sensors at key ON. For manufacturer information, visit Cummins official website.
Who needs this code 435 DTCs manual
Workshop owners, diesel mechanics, and diagnostic technicians need this code 435 DTCs manual when an amber CHECK ENGINE light is linked to Engine Oil Rifle Pressure – Data Erratic, Intermittent, or Incorrect. It is useful when checking oil pressure switch resistance, open circuits, pin-to-pin shorts, damaged connectors, harness faults, Fault Code 135 or Fault Code 141, and possible ECM replacement authorization.
The procedure identifies that the ECM may use a default engine oil pressure value and that no engine protection for oil pressure is available while the fault is active. The full PDF is available in the DiagTechPro manuals library, free account required to download.
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