DTC U0101-87: Lost Communication with TCM Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module "A" Missing Message [12/2021 - ]: Description

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	DTC Output from	Priority
U0101-87	Lost Communication with TCM Missing Message	Diagnosis Condition: Ignition switch ON Malfunction Status: Communication is lost between transmission control ECU assembly and 4 wheel drive control ECU Malfunction Time: 5 seconds or more Number of Trips: 1 trip	CAN communication system	Four Wheel Drive	B
U0129-87	Lost Communication with Brake System Control Module "A" Missing Message	Diagnosis Condition: Ignition switch ON Malfunction Status: Communication is lost between No. 2 skid control ECU (brake actuator assembly) and 4 wheel drive control ECU Malfunction Time: 3.2 seconds or more Number of Trips: 1 trip	CAN communication system	Four Wheel Drive	B

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

DTC Output from

Priority

U0101-87

Lost Communication with TCM Missing Message

Diagnosis Condition:

Malfunction Status:

Communication is lost between transmission control ECU assembly and 4 wheel drive control ECU

Malfunction Time:

Number of Trips:

CAN communication system

Four Wheel Drive

U0129-87