COVER 1507654 - Caterpillar

Which Generate This Code:The Electronic Control Module (ECM) detects the following conditions:
The 8 volt supply is less than 7.2 Volts DC for more than one second.
The ECM has been powered for more than three seconds.
Diagnostic code 0168-01 is not active at the same time.System Response:The ECM will log the diagnostic code and the check engine lamp will illuminate while this diagnostic code is active.The engine may be limited to low idle.An active diagnostic code may not cause any noticeable effect on engine response unless the voltage drops below 6.5 Volts DC.Note: The 8 Volt supply may provide power to the digital throttle position sensor.Note: The 8 Volt supply provides power to the two speed/timing sensors.Test Step 1. Perform the following diagnostic procedure: Digital Throttle Position Sensor Circuit - TestResults:
OK - STOP