This document is a fault code 1972 DTCs troubleshooting manual for aftertreatment exhaust gas temperature 3 diagnostics. It explains the circuit description, fault conditions, likely causes, guided checks, and clearing steps for Code 1972.pdf.
Official fault code 1972 DTCs document details
| Brand | Cummins |
|---|---|
| Model coverage | ISB, ISC, and ISL CM2150 engines; ISB6.7 CM2150 (2007-09) group listing |
| System/Group | Aftertreatment Exhaust Gas Temperature Sensors / DTCs |
| Publication no. | Not shown in this file; related service manuals cited are Bulletin 4021578 and Bulletin 4021569 |
| Year/Revision | Last Modified: 20-Jul-2010 |
| Pages | 13 |
| File size | 0.2 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 aftertreatment system.
- Guided Step 2 – Check the fuel system.
- Guided Step 3 – Check the turbocharger outlet.
- Guided Step 4B – Inspect the aftertreatment diesel oxidation catalyst for cracks in the cell wall.
- Guided Step 5 – Check ECM calibration and clear fault codes.
Applicable truck models
This file applies to Cummins ISB, ISC, and ISL CM2150 engines using aftertreatment exhaust gas temperature sensors, with the library group identifying ISB6.7 CM2150 (2007-09) / DTCs. The procedure covers Exhaust Gas Temperature 3, SPN 3245, FMI 0/16, where the aftertreatment diesel particulate filter outlet temperature sensor exceeds the stated high-temperature threshold during active regeneration. It references OEM service manual location information and Cummins service procedures for ISB CM2150 Service Manual, Bulletin 4021578, and ISC and ISL CM2150 Service Manual, Bulletin 4021569. Manufacturer information is available at Cummins official website.
Who needs this fault code 1972 DTCs manual
Workshop owners, diesel technicians, and fleet mechanics need this code 1972 DTCs manual when an amber CHECK ENGINE lamp appears and active or stationary regeneration is disabled. The steps help check active fault codes 1877, 1876, or 1878, compare aftertreatment exhaust gas temperature sensors, inspect the diesel oxidation catalyst, test for injector misfire with INSITE™ electronic service tool, inspect the turbocharger exhaust outlet for oil or fuel, and verify ECM calibration before clearing inactive codes.
The full PDF is available in the DiagTechPro manuals library, free account required to download.
Related manuals library
Sản phẩm liên quan cho hãng này
Cùng brand theo taxonomy hiện có trong catalog WooCommerce.
Cummins INSITE 9.3 – The Essential Diagnostic Tool for Cummins Engines
Cummins Calterm Version 5.16 – Advanced ECM Control and Precision Tuning for Cummins Engines
Cummins InCal CE – The Calibration and Configuration Tool for Cummins Engines
