BRACKET A LH 3Y0158 - Caterpillar

Probable Causes
An external shutdown or a customer shutdown was requested.
The electrical power to a control module is lost.
The control module for the Electronic Ignition System (EIS) has lost the supply voltage for the speed/timing sensor.
There is a problem with the fuel supply.Recommended Repairs
External Shutdown or Customer Shutdown
A normal shutdown may have been requested. Verify that a normal shutdown was not requested.There may be a problem with the wiring for the engine control. Refer to the engine's electrical schematic.Battery Power to a Control Module
Refer to Troubleshooting, "Electrical Power Supply".
Inspect the ground strap and the battery for connections that are loose and/or corroded.
Inspect the control modules for proper installation of the connectors.
Check the circuit breakers in the terminal box.Speed/Timing Sensor
A loss of supply voltage to the speed/timing sensor will cause a shutdown. Refer to Troubleshooting, "Engine Speed/Timing Sensor".Fuel Supply
Check the fuel supply pressure.
Inspect the fuel lines for foreign objects and for obstructions that can block the fuel supply.