This Cummins oil temperature fault document explains Fault Code 214 for an engine oil temperature signal that is valid but above the most severe normal operating range. It describes the engine oil temperature sensor circuit, ECM response, diagnostic conditions, clearing conditions, and guided checks using INSITE™ electronic service tool.
Official Cummins oil temperature fault document details
| Brand | Cummins |
|---|---|
| Model coverage | ISX11.9 CM2250, ISX15 CM2250; associated procedure table also lists ISM11 CM876 and ISZ13 CM2150 |
| System/Group | Engine Oil Temperature Circuit / DTCs |
| Publication no. | Not shown |
| Year/Revision | Last Modified: 28-Jan-2011 and 18-Jan-2011 |
| Pages | 5 |
| File size | 0.2 MB |
| Format | |
| Language | English |
Document table of contents
- Overview
- Circuit Description
- Component Location
- FAULT CODE 214
- 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 ECM calibration and clear fault codes.
- Guided Step 2B – Disable the fault code.
Applicable truck models
This PDF applies to Cummins engines and ECM families named in the extract, including ISX11.9 CM2250 and ISX15 CM2250 for the Engine Oil Temperature Circuit. The associated procedures table also references ECM Calibration Code Procedure 019-032 for ISM11 CM876, ISZ13 CM2150, ISX15 CM2250, and ISX11.9 CM2250. The fault is identified as Fault Code: 214, PID: P175, SPN: 175, FMI: 0/0, with a red STOP lamp. The sensor is located in the oil rifle, and the ECM uses a 5 volt signal circuit to interpret oil temperature from sensor resistance. When the ECM detects oil temperature greater than the maximum engine protection limit for 5 seconds, the code can become active, torque output can be reduced, maximum engine speed can be decreased, and Engine Protection Shutdown can shut the engine down if enabled. See the official manufacturer site at Cummins.
Who needs this Cummins oil temperature fault manual
This manual is for diesel mechanics, fleet technicians, and workshop owners diagnosing Fault Code 214 with INSITE™ electronic service tool. It helps confirm whether the next action is lubricating oil temperature symptom troubleshooting, ECM calibration review, fault clearing, or referral to a Cummins® Authorized Repair Location.
Use this Cummins oil temperature fault PDF when a red STOP ENGINE light is linked to engine oil temperature above the protection critical limit. The full PDF is available in the DiagTechPro manuals library, free account required to download.
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