This fault code 697 DTCs document is a troubleshooting PDF for the ECM internal temperature sensor circuit on CM2250 engines. It explains the circuit description, fault conditions, INSITE™ checks, calibration review, fault clearing, and the replacement direction when the code remains active. The file is a 7-page English diagnostic document for workshop reference.
Official fault code 697 DTCs document details
| Brand | Cummins |
| Model coverage | ISB6.7 CM2250; also references ISC8.3 and ISL9 CM2250, ISX15 CM2250, ISX11.9 CM2250, QSL9 CM2250, QSB6.7 CM2250, GX CM2250, and other listed CM2220, CM2150, and CM876 engines in associated procedures |
| System/Group | ISB6.7 CM2250 (2010-12) / DTCs; Electronic Control Module (ECM) |
| Publication no. | 4022254 for ISB6.7 CM2250 in the associated procedures table |
| 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
- 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 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
The extract identifies ISB6.7 CM2250 as the main coverage for this file and lists related Cummins engine models in the associated procedures table, including ISC8.3 and ISL9 CM2250, ISX15 CM2250, ISX11.9 CM2250, QSL9 CM2250, QSB6.7 CM2250, GX CM2250, ISF2.8 CM2220, ISF3.8 CM2220, ISB4.5, ISD4.5, ISD6.7 CM2150, ISL8.9 CM2150, ISM11 CM876, and ISZ13 CM2150. The diagnostic applies to the Electronic Control Module internal temperature sensor circuit and uses INSITE™ electronic service tool instructions for fault code reading, calibration comparison, and clearing. See the manufacturer at Cummins official website.
Who needs this fault code 697 DTCs manual
Mechanics, fleet technicians, and workshop owners need this manual when an amber CHECK ENGINE lamp appears and INSITE™ reports Fault Code 697, PID P21, SPN 1136, FMI 3. The document states that the sensor is internal to the ECM, no troubleshooting is possible for the sensor itself, and an active fault requires authorization to replace the ECM after the listed checks.
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