CM2150 Electronic Control System – FAULT CODE 2195

Auxiliary Equipment Sensor Input 3 Engine Protection Critical – Special Instructions


Fault Code: 2195
PID: S51
SPN: 703
FMI: 14

Auxiliary Equipment Sensor Input 3 Engine Protection Critical – Special Instructions. The emergency door of the vehicle has been detected open.

Engine may shut down.

Auxiliary Engine Protection

Circuit Description

Some vehicle applications may have an interlock switch indicating the position of an emergency exit door.

Component Location

The emergency door location may vary depending on the vehicle application.

Conditions for Running the Diagnostics

The diagnostic runs continuously when the keyswitch is in the ON position.

Conditions for Setting the Fault Codes

This fault code is triggered when the vehicle emergency door is opened.

Action Taken When the Fault Code is Active

  • The ECM illuminates the red STOP ENGINE light immediately when the diagnostic runs and fails. The engine will be shut down.

Conditions for Clearing the Fault Code

The ECM will turn off the red STOP ENGINE light immediately after the diagnostic runs and passes.

Shop Talk

Verify the electronic control module (ECM) calibration is correct. Check the calibration revision history found on QuickServe® Online for applicable fixes to the calibration stored in the ECM. If necessary, recalibrate the ECM. Refer to Procedure 019-032 (ECM Calibration Code) in Section 19 in the corresponding Troubleshooting and Repair Manual for the engine being serviced.

This diagnostic will operate differently for every vehicle application. This fault code usually indicates that the vehicle emergency exit door has been opened.

Refer to Troubleshooting Fault Code t05-2195

Last Modified:  20-Jul-2010