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 Panoramic View Monitor System DTC No. Detection Item Link C1614 ECU Malfunction C1621 Back Camera Power Supply Failure C1622 Open or Short Circuit in Back Camera Signal C1625 Open or Short in Steering Angle Sensor +B

 LDA (Lane Departure Alert with steering control)

When driving on highways and freeways with white (yellow) lane lines, this function alerts the driver when the vehicle might depart from its lane or course* and provides assistance by operating the steering wheel to keep the vehicle in its lane or course*. The LDA system recognizes white

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