DTC U0010:88, U0155:00 [CLIMATE CONTROL UNIT (FULL-AUTO AIR CONDITIONER)]

id0702k2073700

System malfunction location

•  U0010:88: Unit communication error (MS-CAN)

•  U0155:00: Communication error with instrument cluster

Detection condition

U0010:88

•  The climate control unit detects a CAN bus communication line (MS-CAN) malfunction.

U0155:00

•  The climate control unit 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 climate control unit and instrument cluster

System wiring diagram

Not applicable

System malfunction location	• U0010:88: Unit communication error (MS-CAN) • U0155:00: Communication error with instrument cluster
Detection condition	U0010:88 • The climate control unit detects a CAN bus communication line (MS-CAN) malfunction. U0155:00 • The climate control unit 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 climate control unit and instrument cluster
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.].)