Lexus ES: Lost Communication With Body Control Module "B" (U0142)

Lexus ES (XZ10) Service Manual / Vehicle Exterior / Mirror (ext) / Power Mirror Control System (for Gasoline Model With Memory) / Lost Communication With Body Control Module "B" (U0142)

DESCRIPTION

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
U0142	Lost Communication with Main Body ECU	No communication with main body ECU (multiplex network body ECU)	CAN communication system Main body ECU (multiplex network body ECU)

PROCEDURE

1.	GO TO CAN COMMUNICATION SYSTEM

HINT:

Refer to CAN Communication System.

Click here

END

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DTC SUMMARY MALFUNCTION DESCRIPTION The hybrid vehicle control ECU detects a stuck closed malfunction of a precharge relay stuck malfunction on the HV battery negative side. The cause of this malfunction may be one of the following: Inverter voltage sensor (VH) internal circuit malfunction Voltag

Reassembly

REASSEMBLY PROCEDURE 1. INSTALL OIL PUMP REGULATOR RING (a) Install the oil pump regulator ring to the oil pump body. *1 Oil Pump Regulator Vane *2 Oil Pump Regulator Ring *3 Oil Pump Relief Valve Spring *4 Vane Spring (b) Install the 2 oil pump regulator

Lexus ES: Lost Communication With Body Control Module "B" (U0142)

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Reassembly