DTC U0001-88: High Speed CAN Communication Bus Off; DTC U0155-00: Lost Communication With Instrument Panel Cluster (IPC) Control Module [07/2015 - ]: Contents

DTC No.	Detection Item	Trouble Area	Warning Indicate	Memory	Fail-safe Operation	Note
U000188	High Speed CAN Communication Bus off	Module communication error (HS-CAN)	Air bag system warning light Flashing pattern: Continuously illuminated Priority ranking: 5	DTC Stored	Not applicable	Drive cycle: Not applicable Self test type: CMDTC self test, ODDTC self test
U015500	Lost Communication With Instrument Panel Cluster (IPC) Control Module	Communication error with combination meter	Air bag system warning light Fig 1: Identifying Flashing Pattern: 14 Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002 Flashing pattern: 14 Priority ranking: 5	DTC Stored	Not applicable	Drive cycle: Not applicable Self test type: CMDTC self test, ODDTC self test

SYSTEM MALFUNCTION LOCATION	U000188: Module communication error (HS-CAN) U015500: Communication error with combination meter
DETECTION CONDITION	U000188 The center airbag sensor assembly detects a CAN communication line (HS-CAN) error. U015500 The center airbag sensor assembly could not receive CAN signal from the combination meter for 5 s or more.
FAIL-SAFE FUNCTION	Not applicable
POSSIBLE CAUSE	Malfunction in CAN bus communication line Malfunction in CAN line between the center airbag sensor assembly and combination meter
SYSTEM WIRING DIAGRAM	Not applicable