GUARD AS 3064274 - Caterpillar

The Engine Control Module (ECM) detects the following conditions:
The 5 volt supply is less than 4.84 VDC for more than one second.
The ECM has been powered for at least three seconds.System Response:The ECM will log the diagnostic code and the ECM will trigger a snapshot. The check engine lamp will illuminate while this diagnostic code is active. The ECM sets all of the pressure sensors to the default values below:
Atmospheric Pressure 100 kPa (15 psi)
Intake manifold pressure 100 kPa (14.5 psi)
Engine Oil Pressure 600 kPa (88 psi) Possible Performance Effect:Low powerTroubleshooting:Test Step 1. Perform the following diagnostic procedure: "5 Volt Engine Pressure Sensor Supply Circuit - Test"Results:
OK - STOP