Lexus NX: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Automatic High Beam System

DTC No.

Detection Item

Link

B124B

Automatic High Beam System

B124C

Automatic High Beam Camera

U023A

Lost Communication with Front Camera Module

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 Vehicle Control History

VEHICLE CONTROL HISTORY CHECK VEHICLE CONTROL HISTORY HINT: The vehicle control history data stores the history of the reject function and system protection operations. for Triple Beam Headlight: C

 Automatic High Beam System (B124B)

DESCRIPTION The main body ECU (multiplex network body ECU) determines the status of the automatic high beam system based on the automatic high beam system signal from the forward recognition camera.

 Automatic High Beam Camera (B124C)

DESCRIPTION The main body ECU (multiplex network body ECU) detects a high beam headlight illumination request signal of the automatic high beam system from the forward recognition camera. DTC No.

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 Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART Pre-collision System DTC No. Detection Item Link C142571 Stop Light Relay Actuator Stuck U012587 Lost Communication With Multi-axis Acceleration Sensor Module Missing Message U012687 Lost Communication with Steering Angle Sensor Module

 Disassembly

DISASSEMBLY CAUTION / NOTICE / HINT CAUTION: Wear protective gloves. Sharp areas on the parts may injure your hands. PROCEDURE 1. REMOVE REAR SEAT CUSHION LOCK HOOK NOTICE: Perform the following only when replacing the rear seat cushion lock hook. Do not reuse the rear seat cushion lock hook af

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