DTC U3000-49: ECU Internal Circuit Failure

Confirmation Procedure	Basic Condition: 12 volt battery voltage 9.6 - 16.5 V ABS function not in operation Operating Condition: 1. Start the engine. 2. Test-drive the vehicle at 25 mph (40 km/h) or more. (Drive the vehicle on the road, not on a lift. Be careful of the surrounding traffic conditions.)
Execution	Initial Diagnosis/Regular Diagnosis
Duration	About 1 second
DTC Type	1 drive cycle Brake system indicator on (Dependent upon the conditions) ABS indicator on (Dependent upon the conditions)
Fail Safe Action	Stop CAN function (Dependent upon the conditions) Stop EBD function or Degrade EBD performance (Dependent upon the conditions) Stop ABS function
Possible Cause	ABS modulator-control unit internal failure