BELT GP-SERPENTINE 2394089 - Caterpillar

Probable Causes
Diagnostic codes
Multi-position throttle switch
Throttle position sensorRecommended Repairs
Diagnostic Codes
Use one of the following methods to check for active diagnostic codes:
The electronic service tool
The display on the control panel
Flash CodesElectronic Service Tool
Connect the electronic service tool to the diagnostic connector.
Check for active diagnostic codes on the electronic service tool.
Investigate any active codes before continuing with this procedure. Refer to Troubleshooting, "Troubleshooting with a Diagnostic Code". Display on the Control PanelNote: The following procedure is only applicable if the application is equipped with a display on the control panel.
Check the display on the control panel for active diagnostic codes.
Troubleshoot any active codes before continuing with this procedure. Refer to Troubleshooting, "Troubleshooting with a Diagnostic Code". Flash CodesNote: The following procedure is only applicable if the machine is equipped with the appropriate warning lamps.
Check the warning lamps on the control panel for flash codes. Flash codes are explained in Troubleshooting, "Flash Codes".
If any flash codes are displayed, troubleshoot the codes before continuing with this procedure. Refer to Troubleshooting, "Troubleshooting with a Diagnostic Code". Use the electronic service tool to check the setup of the throttle.Multi-position Throttle Switch
Note: When the engine is operating and the fault occurs, the configuration of the throttle will not change. Check the configuration of the throttle only if the engine has never run.If a fault in the multi-position throttle switch is suspected, refer to Troubleshooting, "Throttle Switch Circuit - Test".Throttle Position Sensor
If a fault is suspected in the throttle sensor, refer to Troubleshooting, "Analog Throttle Position Sensor Circuit - Test" or Troubleshooting, "Digital Throttle Position Sensor Circuit - Test".