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DTC U0100:00 [DSC HU/CM]

id040262010500

Outline

System malfunction location

Communication error with PCM

Detection condition

• The DSC HU/CM cannot receive CAN (CAN BUS No.1 and CAN BUS No.2) signal from the PCM.

Fail-safe

Refer to “DTC Table” and “Fail-safe Function Malfunction Contents Table”.(See DTC TABLE [DSC HU/CM (E)].)

Possible cause

• Malfunction in CAN communication line between PCM and DSC HU/CM

System wiring diagram

Not applicable

Connector diagram

Not applicable

System malfunction location	Communication error with PCM
Detection condition	• The DSC HU/CM cannot receive CAN (CAN BUS No.1 and CAN BUS No.2) signal from the PCM.
Fail-safe	Refer to “DTC Table” and “Fail-safe Function Malfunction Contents Table”.(See DTC TABLE [DSC HU/CM (E)].)
Possible cause	• Malfunction in CAN communication line between PCM and DSC HU/CM
System wiring diagram	Not applicable
Connector diagram	Not applicable

Diagnostic Procedure

• Perform the malfunction diagnosis according to the troubleshooting procedure for the multiplex communication system.(See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [(E)].)