DTC Description

DTC DETECTION LOGIC

DTC No.		M.U.T.-III SE screen terms (Trouble diagnosis content)	DTC detection condition
U2541	87	CAN comm err (TCM) [Controller area network communication error (transmission control module)]	1	Diagnosis condition	When ignition switch is ON.
				Signal (terminal)	CAN communication signal
				Threshold	Not transmitting to TCM.
				Diagnosis delay time	2 seconds or more
			2	Diagnosis condition	When ignition switch is ON.
				Signal (terminal)	CAN communication signal
				Threshold	Not receiving from TCM.
				Diagnosis delay time	2 seconds or more

POSSIBLE CAUSE

CAN communication system
TCM

FAIL-SAFE

The following functions are suspended.

Automatic brake hold function

DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always ignition switch OFF and wait at least 10 seconds before conducting the next test.

2.CHECK DTC DETECTION

With M.U.T.-III SE

Ignition switch OFF to ON.
caution Be sure to wait of 10 seconds after ignition switch OFF or ON.
Perform self-diagnosis for “CHASSIS CONTROL”.

Is DTC “U2541-87” detected?

Refer to Diagnosis Procedure

-1To check malfunction symptom before repair: Refer to Intermittent IncidentIntermittent Incident

-2Confirmation after repair: INSPECTION END