This Cummins ISB6.7 code 698 PDF is a troubleshooting document for Fault Code 698 on CM2250 electronic control module systems. It explains the Engine ECU Temperature Sensor Circuit fault, the conditions for setting and clearing the code, INSITE checks, ECM calibration review, and when ECM replacement is required.
Official Cummins ISB6.7 code 698 document details
| Brand | Cummins |
|---|---|
| Model coverage | ISB6.7 CM2250, with associated CM2250 and other Cummins engine control module applications listed in the procedure table |
| System/Group | ISB6.7 CM2250 (2010-12) / DTCs; Electronic Control Module (ECM) |
| Publication no. | Not stated in the extract; associated bulletin numbers include 4022254, 4022257, 4022250, 2883445, 4022256, and 4022255 |
| Year/Revision | Last Modified: 11-Jun-2010; troubleshooting section Last Modified: 20-Jan-2011 |
| Pages | 7 |
| File size | 0.2 MB |
| Format | |
| Language | English |
Document table of contents
- Overview
- Circuit Description
- 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 1A – Check for active fault codes.
- Guided Step 2 – Check ECM calibration and clear fault codes.
- Guided Step 2A – Check if an ECM calibration update is available.
- Guided Step 2B – Disable the fault code.
Applicable truck models
This document applies to Cummins engines and ECM platforms named in the extract, including ISB6.7 CM2250, ISC8.3 and ISL9 CM2250, ISX15 CM2250, ISX11.9 CM2250, QSL9 CM2250, QSB6.7 CM2250, GX CM2250, plus listed ISF2.8 CM2220, ISF3.8 CM2220, ISB4.5, ISD4.5, ISD6.7 CM2150, ISL8.9 CM2150, ISM11 CM876, ISZ13 CM2150, and ISB6.7 CM250 entries in the associated procedure table. The fault is identified as SPN 1136 FMI 4, PID P21, with an amber CHECK ENGINE lamp and no performance effect stated in the summary. See the manufacturer at Cummins official website.
Who needs this Cummins ISB6.7 code 698 manual
Workshop technicians, fleet mechanics, and diagnostic tool users need this manual when INSITE™ electronic service tool shows Fault Code 698 as active or inactive. It supports a service decision on ECM calibration, fault clearing, and authorization to replace the ECM when the internal ECM temperature sensor circuit is shorted to ground.
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