PIN 3J6502 - Caterpillar

Use this procedure in order to troubleshoot an engine overspeed or use this procedure if the following event code is active. Refer to Troubleshooting, "Event Codes" for information about event codes and the default trip points for these codes. You must access the monitoring system on Caterpillar Electronic Technician (ET) in order to view the current trip point for this code. For information on the engine monitoring system, refer to Troubleshooting, "Engine Monitoring System".
Table 1
Event Codes    
Code    Conditions which Generate this Code    System Response    
E362(1) Engine Overspeed     The engine rpm has exceeded the rated rpm by 20% for the delay time.     The code is logged.    
E362(2) Engine Overspeed     The Electronic Control Module (ECM) will not power the injectors above the engine high idle speed. If applicable, the ECM will activate the air shutoff solenoids.
Power to the ECM must be cycled or the event reset switch must be toggled prior to restarting the engine.
The code is logged.
E362(3) Engine Overspeed    Probable Causes
Combustible Intake Air
Intake air is combustible.Sudden drop of load
Sudden drop of loadRecommended Actions
Intake Air is Combustible
Check for hydrocarbons in the surrounding atmosphere. Do not operate the engine in an environment with hydrocarbons in the surrounding atmosphere.Sudden Drop of Load
Decrease the load on the engine gradually.