Lexus NX: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Front Camera System

DTC No.

Detection Item

Link

C10001C

Control Module Internal Temperature Sensor "A" Circuit Circuit Voltage Out of Range

C10051C

Control Module Internal Temperature Sensor "B" Circuit Circuit Voltage Out of Range

C100A62

Control Module Internal Temperature Sensor A/B Correlation Signal Compare Failure

C1A4A12

Buzzer Circuit Short to Battery

C1A4A14

Buzzer Circuit Short to Ground or Open

C1A7587

Steering Vibrator System Missing Message

C1A9346

Main Microcomputer in Front Recognition Camera Calibration/Parameter Memory Failure

C1A9445

Image Processing Microcomputer in Front Recognition Camera Program Memory Failure

C1A9447

Image Processing Microcomputer in Front Recognition Camera Watchdog/Safety MCU Failure

C1A9487

Image Processing Microcomputer to Main Microcomputer in Front Recognition Camera Missing Message

C1A9500

Image Processing Module Malfunction in Front Recognition Camera

C1A961C

Power Supply Circuit in Front Recognition Camera Circuit Voltage Out of Range

C1AA800

Front Recognition Camera Optical Axis Misalignment Malfunction

C1AAE00

Front Recognition Camera Heater Malfunction

U012587

Lost Communication with Multi-axis Acceleration Sensor Module Missing Message

U012687

Lost Communication with Steering Angle Sensor Module Missing Message

U012987

Lost Communication with Brake System Control Module Missing Message

U014087

Lost Communication with Body Control Module Missing Message

U029387

Lost Communication with Hybrid Powertrain Control Module Missing Message

U030051

Internal Control Module Software Incompatibility Not Programmed

U030057

Internal Control Module Software Incompatibility Invalid/Incompatible Software Component

U032251

Software Incompatibility with Body Control Module Not Programmed

U032257

Software Incompatibility with Body Control Module Invalid/Incompatible Software Component

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 Vehicle Control History

VEHICLE CONTROL HISTORY NOTICE: When checking the vehicle control history, first record the output codes and after clearing the history, check the output history again. CHECK VEHICLE CONTROL HISTORY (

 Control Module Internal Temperature Sensor "A" Circuit Circuit Voltage Out of Range (C10001C,C10051C,C100A62,C1A9346,C1A9445,C1A9447,C1A9487-C1A961C)

DESCRIPTION The forward recognition camera stores a DTC when a malfunction is detected in the camera. DTC No. Detection Item DTC Detection Condition Trouble Area C10001C Control Module

 Buzzer Circuit Short to Battery (C1A4A12)

DESCRIPTION If the forward recognition camera detects a short +B in the buzzer circuit, it will store DTC C1A4A12. DTC No. Detection Item DTC Detection Condition Trouble Area C1A4A12 Bu

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 Brake Booster Pump Motor on Time Abnormally Long (C1252,C1253)

DESCRIPTION The skid control ECU (brake booster with master cylinder assembly) detects decreases in the accumulator pressure according to the data from the accumulator pressure sensor, and then starts and stops the pump motor by operating the motor relay. DTC No. Detection Item INF Code DTC

 Removal

REMOVAL PROCEDURE 1. REMOVE FUEL TANK ASSEMBLY Click here 2. DISCONNECT FUEL TANK MAIN TUBE SUB-ASSEMBLY (a) Remove the tube joint clip, then disconnect the fuel tank main tube sub-assembly from the fuel suction plate sub-assembly. NOTICE: Remove dirt or foreign objects on the fuel tube j

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