DTC U0001:88/U0155:00 [SAS CONTROL MODULE (ACTIVE BONNET)]

id0802h4824100

System malfunction location

•  U0001:88: Unit communication error (HS-CAN)

•  U0155:00: Communication error with instrument cluster

Detection condition

U0001:88

•  The SAS control module detects a CAN communication line (HS-CAN) error.

U0155:00

•  The SAS control module could not receive CAN signal from the instrument cluster for 5 s or more.

Fail-safe function

Not applicable

Possible cause

•  Malfunction in CAN bus communication line

•  Malfunction in CAN line between the SAS control module and instrument cluster

•  Instrument cluster malfunction

•  SAS control module malfunction

System wiring diagram

Not applicable

System malfunction location	• U0001:88: Unit communication error (HS-CAN) • U0155:00: Communication error with instrument cluster
Detection condition	U0001:88 • The SAS control module detects a CAN communication line (HS-CAN) error. U0155:00 • The SAS control module could not receive CAN signal from the instrument cluster for 5 s or more.
Fail-safe function	Not applicable
Possible cause	• Malfunction in CAN bus communication line • Malfunction in CAN line between the SAS control module and instrument cluster • Instrument cluster 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.].)