PUMP GP-WATER 0R9787 - Caterpillar

Which Generate This Code:This diagnostic code is active when the sensor has a fault during the validation of the serial number of the component.Test Step 1. CYCLE THE POWER TO THE SYSTEM
Turn the key start switch for the machine to the OFF position.
Turn the key start switch for the machine to the ON position.
Check the status of the diagnostic code "LR 4".Expected Result:The diagnostic code is not active.Results:
YES - The diagnostic code is not active. Return the machine to normal operation.STOP
NO - The diagnostic code is active.Repair: If the diagnostic code is still active, contact your technical communicator for a possible consultation with Caterpillar.STOP