Lexus NX: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Lighting System

DTC No.

Detection Item

Link

B1244

Light Sensor Circuit Malfunction

B2430

LED Headlight LH Circuit Malfunction

B2431

LED Headlight RH Circuit Malfunction

U012587

Lost Communication with Multi-axis Acceleration Sensor Module Missing Message

U012987

Lost Communication with Brake System Control Module Missing Message

U014087

Lost Communication with Body Control Module Missing Message

U023587

Lost Communication with Cruise Control Front Distance Range Sensor Missing Message

U029387

Lost Communication With Hybrid Powertrain Control Module Missing Message

READ NEXT:

 Vehicle Control History

VEHICLE CONTROL HISTORY CHECK THE VEHICLE CONTROL HISTORY (LIGHTING SYSTEM) HINT: The vehicle control history data (lighting system) stores the history of the reject function and system protection

 Light Sensor Circuit Malfunction (B1244)

DESCRIPTION The automatic light control sensor detects ambient light, converts it into an electrical signal and outputs it to the main body ECU (multiplex network body ECU). The main body ECU (multipl

 LED Headlight LH Circuit Malfunction (B2430,B2431)

DESCRIPTION The illumination of the low beam headlights is controlled by the main body ECU (multiplex network body ECU). When the headlights are turned on, the main body ECU (multiplex network body EC

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 Hydraulic Control System Malfunction (C1214)

DESCRIPTION The skid control ECU (brake booster with master cylinder assembly) controls braking force according to the hybrid control system regenerative braking force and provides the hydraulic pressure necessary for operating each wheel cylinder according to the wheel cylinder pressure sensor. DTC

 All Door Entry Lock/Unlock Functions do not Operate, but Wireless Functions Operate

DESCRIPTION When the wireless operation can be used to lock and unlock the doors, communication between the door control receiver and certification ECU (smart key ECU assembly) is normal. If the entry lock and unlock functions do not operate, the entry cancel function may be set through the customiz

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