This Cummins ISB DTC manual is a 5-page PDF for Fault Code 2195 on ISB6.7 CM2150 engines. It explains the auxiliary equipment sensor input 3 engine protection critical fault, the emergency door condition that sets it, and the INSITE™ steps used to check and clear the code.
Official Cummins ISB DTC manual document details
| Brand | Cummins |
|---|---|
| Model coverage | ISB6.7 CM2150 (2007-09) |
| System/Group | DTCs; Auxiliary Engine Protection; Auxiliary Equipment Sensor Input 3 Engine Protection Critical – Special Instructions |
| Publication no. | Not shown in extract |
| Year/Revision | Unknown; last modified 20-Jul-2010 |
| Pages | 5 |
| 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
- Fault Code 2195
- 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 2 – Clear the fault code
Applicable truck models
This file applies to Cummins ISB6.7 CM2150 engines in the 2007-09 coverage group where the vehicle application can use an interlock switch to indicate the position of an emergency exit door. The extract does not list specific truck makes or bus models, and it states that the emergency door location may vary by vehicle application. Fault Code 2195 is identified as PID S51, SPN 703, FMI 14, with a red lamp and possible engine shutdown when the emergency door is detected open. The diagnostic runs continuously with the keyswitch in the ON position, and the ECM turns off the red STOP ENGINE light after the diagnostic runs and passes. For current manufacturer information, visit the Cummins official website.
Who needs this Cummins ISB DTC manual
Workshop owners, fleet technicians, and diesel mechanics need this ISB DTC manual when diagnosing Fault Code 2195 on a vehicle that reports an open emergency exit door through auxiliary equipment sensor input 3. The procedure is useful when confirming active fault status, verifying inactive status, clearing inactive fault codes, or deciding when to contact a Cummins® Authorized Repair Location.
The document also notes Shop Talk guidance to verify the ECM calibration, check QuickServe® Online calibration revision history for applicable fixes, and recalibrate the ECM if required by the corresponding Troubleshooting and Repair Manual procedure. The full PDF is available in the DiagTechPro manuals library, free account required to download.
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