 |
|
OEM Pressure – Engine Protection – Fueling Derate
|
Overview
| CODE | REASON | EFFECT |
| Fault Code: 2194 PID: P223 SPN: 1387 FMI: 11 LAMP: Yellow SRT: |
OEM pressure signal indicates OEM pressure above or below the low engine protection limit. |
Power and/or speed derate and possible engine shutdown if engine protection shutdown feature is enabled. |
 OEM Pressure Sensor Circuit
|
Circuit Description
The OEM pressure sensor is used by the electronic control module (ECM) to monitor OEM pressure. The ECM monitors the voltage on the signal pin and converts this to a pressure value. The OEM pressure value is used by the ECM for the engine protection system.
Component Location
This sensor is installed by the vehicle’s OEM. Use the OEM troubleshooting and repair manual for location.
Shop Talk
Verify, with the driver, the engine speed at which the fault occurs. If the engine is being operated at too low of a speed under load, the OEM pressure can drop below the engine protection limits.
Refer to Troubleshooting Fault Code t05-2194
;){kind=link}
;){kind=link}