DTC Description

DTC DETECTION LOGIC

DTC No.		M.U.T.-III SE screen terms (Trouble diagnosis content)	DTC detection condition
C1BB4	49	CONTROL MODULE (Control module)	Diagnosis condition	When ignition switch is ON.
			Signal (terminal)	-
			Threshold	Chassis control module is malfunctioning.
			Diagnosis delay time	1 second or less

POSSIBLE CAUSE

Chassis control module

FAIL-SAFE

The following functions are suspended.

Intelligent trace control function
Active ride control function
Automatic brake hold function
Drive mode selector 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 “C1BB4-49” detected?

Refer to Diagnosis Procedure

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

-2Confirmation after repair: INSPECTION END