This code 2375 DTCs document is a troubleshooting procedure for an EGR temperature sensor circuit voltage-above-normal or short-to-high-source fault. It explains the circuit purpose, fault conditions, engine response, inspection points, harness tests, ECM checks, calibration review, and clearing steps used with INSITE™ electronic service tool.
Official code 2375 DTCs document details
| Brand | Cummins |
|---|---|
| Model coverage | ISB6.7 CM2250; also references ISC8.3 and ISL9 CM2250, ISX15 CM2250, GX CM2250, ISX11.9 CM2250, QSL9 CM2250, and QSB6.7 CM2250 in associated procedures. |
| System/Group | ISB6.7 CM2250 (2010-12) / DTCs; Exhaust Gas Recirculation Temperature Sensor Circuit |
| Publication no. | 4022254 for ISB6.7 CM2250; associated tables also list 4022257, 4022250, 2883445, 4022256, and 4022255. |
| Year/Revision | Last modified 11-Jun-2010 and 29-Dec-2010; year otherwise unknown. |
| Pages | 16 |
| File size | 0.3 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 2A – Inspect the EGR temperature sensor and connector pins.
- Guided Step 2B – Check the sensor resistance.
- Guided Step 3 – Check the ECM and engine harness.
- Guided Step 3C – Check for an open circuit in the engine harness.
- Guided Step 3E – Check for an inactive fault code.
Applicable truck models
This file applies to Cummins CM2250 engine families listed in the procedure table, with the shop group centered on ISB6.7 CM2250 DTC service information. The associated procedure references include Electronic Control Module (ECM) procedure 019-031, ECM Calibration Code procedure 019-032, Engine Wiring Harness procedure 019-043, and EGR Temperature Sensor procedure 019-378 for the listed CM2250 engines. For manufacturer information, visit Cummins official website.
Who needs this code 2375 DTCs manual
Workshop technicians, fleet mechanics, and diagnostic tool users need this code 2375 DTCs manual when the amber CHECK ENGINE lamp or MIL is tied to SPN 412 FMI 3/3 and the EGR temperature signal reads high. It is useful for confirming connector damage, sensor resistance range, open RETURN or SIGNAL circuits, pin-to-pin shorts, ECM authorization steps, and calibration status before replacing parts.
The full PDF is available in the DiagTechPro manuals library, free account required to download.
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