Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual: Sending Malfunction (Navigation to APGS) (U0073,U0100,U0129,U0140,U0155,U0164,U0198,U023B,U0265,U1110)

Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual / Audio & Visual & Telematics / Navigation / Multi Info Display / Navigation System / Sending Malfunction (Navigation to APGS) (U0073,U0100,U0129,U0140,U0155,U0164,U0198,U023B,U0265,U1110)

DESCRIPTION

These DTCs are stored when a malfunction occurs in the CAN communication circuit.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

U0073

Sending Malfunction (Navigation to APGS)

CAN bus connection error

CAN communication system

U0100

Engine ECU Communication

CAN reception error

CAN communication system

U0129

VSC(ECB)ECU Communication

CAN reception error

CAN communication system

U0140

Lost Communication with Body Control Module

CAN reception error

CAN communication system

U0155

Meter ECU Communication

CAN reception error

CAN communication system

U0164

Air Conditioner ECU Communication

CAN reception error

CAN communication system

U0198

Lost Communication with Telematic Control Module

CAN reception error

CAN communication system

U023B

Lost Communication with Image Processing Module "B"

CAN reception error

CAN communication system

U0265

Lost Communication with Image Processing Sensor A

CAN reception error

CAN communication system

U1110

Clearance Sonar ECU Communication

CAN reception error

CAN communication system

PROCEDURE

1.

CHECK DTC (CAN COMMUNICATION SYSTEM)

(a) Clear the DTCs.

Body Electrical > Navigation System > Clear DTCs

(b) Turn the engine switch off.

(c) Turn the engine switch on (IG) and wait for 30 seconds.

(d) Recheck for DTCs and check if the same DTC is output again.

Body Electrical > Navigation System > Trouble Codes

OK:

No DTCs are output.

OK

USE SIMULATION METHOD TO CHECK

NG

GO TO CAN COMMUNICATION SYSTEM

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