DTC U0101:00 [SAS CONTROL MODULE (ACTIVE BONNET)]

id0802h4007500

System malfunction location

•  TCM communication error

Detection condition

Warning

•  Detection conditions are for understanding the DTC outline before performing an inspection. Performing an inspection according to only the detection conditions may cause injury due to an operating error, or damage the system. When performing an inspection, always follow the inspection procedure.

•  The SAS control module does not receive CAN signal from TCM for 5 s or more, or receives CAN signal error from TCM for 0.4 s.

Fail-safe function

Not applicable

Possible cause

•  Malfunction in CAN line between the SAS control module and TCM

•  TCM malfunction

•  SAS control module malfunction

System wiring diagram

Not applicable

System malfunction location	• TCM communication error
Detection condition	Warning • Detection conditions are for understanding the DTC outline before performing an inspection. Performing an inspection according to only the detection conditions may cause injury due to an operating error, or damage the system. When performing an inspection, always follow the inspection procedure. • The SAS control module does not receive CAN signal from TCM for 5 s or more, or receives CAN signal error from TCM for 0.4 s.
Fail-safe function	Not applicable
Possible cause	• Malfunction in CAN line between the SAS control module and TCM • TCM malfunction • SAS control module malfunction
System wiring diagram	Not applicable

Diagnostic Procedure

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