DTC U0001:88/U0100:00/U0101:00/U012B:00/U0131:00/U0140:00/U0151:00/U0155:00/U023A:00 [DSC HU/CM]

id040262980900

DTC

U0001:88

CAN communication: module communication error

U0100:00

CAN communication: communication error to PCM

U0101:00

CAN communication: communication error to TCM

U012B:00

CAN communication: communication error to EVP control unit

U0131:00

CAN communication: communication error to EPS control module

U0140:00

CAN communication: communication error to body control module (BCM)

U0151:00

CAN communication: communication error to SAS control module

U0155:00

CAN communication: communication error to instrument cluster

U023A:00

CAN communication: communication error to forward sensing camera (FSC)

DETECTION CONDITION

•  U0001:88

―  Open or short circuit in CAN system wiring harness is detected.

•  U0100:00

―  Communication error to PCM is detected.

•  U0101:00

―  Communication error to TCM is detected.

•  U012B:00

―  Communication error to EVP control unit is detected.

•  U0131:00

―  Communication error to EPS control module is detected.

•  U0140:00

―  Communication error to body control module (BCM) is detected.

•  U0151:00

―  Communication error to SAS control module is detected.

•  U0155:00

―  Communication error to instrument cluster is detected.

•  U023A:00

―  Communication error to forward sensing camera (FSC) is detected.

FAIL-SAFE FUNCTION

•  Refer to “Fail-safe function table”. (See DTC TABLE [DSC HU/CM].)

POSSIBLE CAUSE

•  CAN communication line malfunction

•  CAN communication line malfunction with PCM

•  CAN communication line malfunction with TCM

•  CAN communication line malfunction with EVP control unit

•  CAN communication line malfunction with EPS control module

•  CAN communication line malfunction with body control module (BCM)

•  CAN communication line malfunction with SAS control module

•  CAN communication line malfunction with instrument cluster

•  CAN communication line malfunction with forward sensing camera (FSC)

•  Instrument cluster malfunction

SYSTEM WIRING DIAGRAM

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Diagnostic Procedure

• Perform inspection according to the diagnostic procedure in MULTIPLEX COMMUNICATION SYSTEM. (See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [L.H.D.].) (See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [R.H.D.].)

DTC	U0001:88	CAN communication: module communication error
	U0100:00	CAN communication: communication error to PCM
	U0101:00	CAN communication: communication error to TCM
	U012B:00	CAN communication: communication error to EVP control unit
	U0131:00	CAN communication: communication error to EPS control module
	U0140:00	CAN communication: communication error to body control module (BCM)
	U0151:00	CAN communication: communication error to SAS control module
	U0155:00	CAN communication: communication error to instrument cluster
	U023A:00	CAN communication: communication error to forward sensing camera (FSC)
DETECTION CONDITION		• U0001:88 ― Open or short circuit in CAN system wiring harness is detected. • U0100:00 ― Communication error to PCM is detected. • U0101:00 ― Communication error to TCM is detected. • U012B:00 ― Communication error to EVP control unit is detected. • U0131:00 ― Communication error to EPS control module is detected. • U0140:00 ― Communication error to body control module (BCM) is detected. • U0151:00 ― Communication error to SAS control module is detected. • U0155:00 ― Communication error to instrument cluster is detected. • U023A:00 ― Communication error to forward sensing camera (FSC) is detected.
FAIL-SAFE FUNCTION		• Refer to “Fail-safe function table”. (See DTC TABLE [DSC HU/CM].)
POSSIBLE CAUSE		• CAN communication line malfunction • CAN communication line malfunction with PCM • CAN communication line malfunction with TCM • CAN communication line malfunction with EVP control unit • CAN communication line malfunction with EPS control module • CAN communication line malfunction with body control module (BCM) • CAN communication line malfunction with SAS control module • CAN communication line malfunction with instrument cluster • CAN communication line malfunction with forward sensing camera (FSC) • Instrument cluster malfunction
SYSTEM WIRING DIAGRAM		—