The fault code 435 DTCs troubleshooting manual is the official Cummins diagnostic procedure for the engine oil rifle pressure sensor circuit on the ISX11.9 CM2250 engine platform. The ECM supplies 5 volts and a return to the engine oil pressure sensor, whose signal voltage changes with the pressure in the oil rifle; this document also covers oil-pressure-switch equipped engines. This 26-page PDF walks a technician from symptom to verified repair.
Official document details
| Brand | Cummins |
|---|---|
| Model coverage | Cummins ISX11.9 CM2250 (2010-12), Cummins ISX12 CM2250 (2010-12) |
| System / Group | engine oil rifle pressure sensor circuit, DTCs |
| Fault code reference | Fault Code 435 — SPN 100, FMI 2 |
| Warning lamp | an amber warning lamp |
| Revision (Last Modified) | 11-Jan-2010 |
| Pages | 26 |
| File size | 0.46 MB |
| Format | |
| Language | English |
fault code 435 DTCs document contents
- Overview and Circuit Description
- Component Location
- Conditions for Running the Diagnostics
- Conditions for Setting the Fault Code
- Action Taken When the Fault Code Is Active
- Conditions for Clearing the Fault Code
- Shop Talk and possible causes
- Associated Procedures table
- Guided troubleshooting steps
- Verify the repair
Applicable truck models covered
This procedure applies to Cummins engines that report Fault Code 435 (SPN 100, FMI 2), including the Cummins ISX11.9 CM2250 (2010-12), Cummins ISX12 CM2250 (2010-12). Always confirm the exact calibration and publication for your engine on the official Cummins engine support site before ordering parts.
Common causes and symptoms
The ECM sets this fault when the oil rifle pressure signal is erratic, intermittent or incorrect, which can mask a genuine low-oil-pressure condition. Shop Talk in the document lists the most likely causes:
- A malfunctioning engine oil pressure sensor or switch
- High resistance or an intermittent connection in the signal circuit
Who needs the fault code 435 DTCs manual
Diesel technicians and workshop owners diagnosing Fault Code 435 on ISX11.9 CM2250 trucks need this manual to follow the guided steps, use the correct connector pins and verify the repair with INSITE electronic service tool instead of guessing.
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