fault code 214 DTCs is documented on this DiagTechPro library page for Cummins ISM CM871 (2007-09) engines, where it flags a Engine Oil Temperature High – Data Valid But Above Normal Operational Range – Most Severe Level condition (PID P175, SPN 175, FMI 0/0, Red lamp). This 2-page PDF reproduces the manufacturer description, shop talk, component location and step-by-step troubleshooting so technicians can confirm and clear the code.
fault code 214 DTCs overview
Cummins defines this code as “ENGINE OIL TEMPERATURE HIGH – DATA VALID BUT ABOVE NORMAL OPERATIONAL RANGE – MOST SEVERE LEVEL” on the Engine Oil Temperature Sensor Circuit. The engine oil temperature sensor is a variable resistor sensor and is used to measure the temperature of the engine oil in the oil rifle. The electronic control module (ECM) supplies 5 volts to the engine oil temperature signal circuit. The ECM monitors the change in voltage caused by changes in the resistance of the sensor to determine the engine oil temperature. The engine oil temperature sensor is used to monitor the engine oil temperature.
Shop talk notes: Verify the electronic control module (ECM) calibration is correct. If necessary, recalibrate the ECM. This fault code indicates that the engine oil temperature has exceeded the maximum engine protection limit for oil temperature.
Official document details
| Brand | Cummins |
| Model coverage | Cummins ISM CM871 (2007-09); Cummins ISX CM871 (2007-09) |
| System / Group | Engine Oil Temperature Sensor Circuit — ISM CM871 fault codes |
| Fault code | 214 (SPN 175, FMI 0/0) |
| Source | TruckFaultCodes.com Cummins fault code reference (© 2017) |
| Pages | 2 |
| File size | 0.1 MB |
| Format | |
| Language | English |
Document table of contents
- Fault code identification (PID, SPN, FMI, lamp)
- Description
- Shop Talk
- Component Location
- Troubleshooting Steps
Applicable truck models and engines
This document applies to Cummins ISM CM871 (2007-09); Cummins ISX CM871 (2007-09) equipped diesel engines that log Fault Code 214. Always confirm engine calibration and use a Cummins diagnostic tool such as INSITE to read live data before starting repairs. Full specifications are published on the Cummins official website.
Who needs this fault code 214 DTCs manual
Heavy-duty truck technicians, fleet workshops and owner-operators diagnosing an electronic control module warning on ISM CM871 engines will use this sheet to verify the fault before parts are replaced.
The full PDF is available in the DiagTechPro manuals library; a free account is required to download.
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