This Cummins 2964 troubleshooting manual is a fault-code diagnostic document for Cummins engines covering intake manifold 1 temperature above normal operational range. It explains the circuit, fault logic, derate effect, clearing conditions, and guided checks using INSITE™ electronic service tool.
Official Cummins 2964 troubleshooting document details
| Brand | Cummins |
|---|---|
| Model coverage | ISB6.7 CM2250, with associated coverage listed for ISX11.9 CM2250, ISC8.3 and ISL9 CM2250, ISX15 CM2250, QSB6.7 CM2250, QSL9 CM2250, and other Cummins CM platforms shown in the procedure table. |
| System/Group | ISB6.7 CM2250 (2010-12) / DTCs; Intake Manifold 1 Pressure/Temperature Sensor Circuit |
| Year/Revision | Unknown; last modified 11-Jun-2010 and 30-Dec-2010 |
| Pages | 7 |
| File size | 0.2 MB |
| Format | |
| Language | English |
Document table of contents
- Overview
- Circuit Description
- Component Location
- FAULT CODE 2964
- 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 – Monitor intake manifold temperature.
- Guided Step 2 – Check ECM calibration and clear fault codes.
- Guided Step 2B – Disable the fault code.
Applicable truck models
This file applies to Cummins electronic engine platforms listed in the extract, especially ISB6.7 CM2250 under bulletin number 4022254. The associated procedure table also names ISF2.8 CM2220 E, ISF2.8 CM2220 AN, ISF3.8 CM2220 AN, ISB4.5, ISB6.7, ISD4.5, ISD6.7 CM2150 SN, ISL8.9 CM2150 SN, ISM11 CM876 SN, ISZ13 CM2150, ISC8.3 and ISL9 CM2250, ISX15 CM2250, ISX11.9 CM2250, QSL9 CM2250, and QSB6.7 CM2250. For official manufacturer information, visit Cummins official website.
Who needs this Cummins 2964 troubleshooting manual
Workshop owners, fleet mechanics, and diesel diagnostic technicians need this file when Fault Code 2964, PID P105, SPN 105, FMI 0/15 is active or logged. The procedure supports checks for intake manifold temperature correlation, charge-air cooler airflow concerns, sensor replacement direction, ECM calibration review, and fault clearing with INSITE™ electronic service tool.
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