DOOR GP-ACCESS 5250749 - Caterpillar

The voltage supply from the Electronic Control Module (ECM) to one of the following sensors is below the normal range.
Detonation sensors
Sensor for inlet air pressure
Sensor for engine coolant pressureSystem Response:Default values are assumed for the inputs to the ECM from all of the 8 volt analog sensors. All of the diagnostic codes for the 8 volt analog sensors to the ECM are disabled while this code is active.The fuel is shut off. The shutdown output is activated. The code is logged.Possible Performance Effect:Since the engine protection is disabled,the engine is shut down.Troubleshooting:Test Step 1. Perform the following diagnostic procedure: "+8V Sensor Voltage Supply"Results:
OK - STOP