Lexus NX: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Intelligent Clearance Sonar System

DTC No.

Detection Item

Link

C1611

ECU Malfunction

C1625

Open or Short in Steering Angle Sensor +B

C1626

Steering Angle Sensor Failure

C1647

G Sensor Failure

C164B

Communication Error From Clearance Sonar ECU to VSC

C164D

Wheel Speed Sensor Malfunction

C164E

Stop Switch Circuit Malfunction

C164F

Brake Hydraulic Pressure Malfunction

C1652

Outside Air Temperature Sensor

C168D

Vehicle Information Unmatched

C1A40

ENG / EHV Device

C1A4B

Stop Light Relay Circuit

C1A50

Brake System

C1AEA

Steering Angle Midpoint Initial Setting Incomplete

C1AF0

ICS Detection Area Adjustment Incomplete

C1AF3

Fr Sensor Initialization Incomplete

C1AF4

Rr Sensor Initialization Incomplete

U0073

Control Module Communication Bus "A" Off

U0100

Lost Communication with ECM / PCM "A"

U0124

Lost Communication with Lateral Acceleration Sensor Module

U0126

Lost Communication with Steering Angle Sensor Module

U0129

Lost Communication with Brake System Control Module

U0140

Lost Communication with Body Control Module

U0155

Lost Communication With Instrument Panel Cluster (IPC) Control Module

U0164

Lost Communication with HVAC Control Module

U0293

Lost Communication with Hybrid Control Module

U1000

CAN Communication Failure (Message Registry)

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 Vehicle Control History

VEHICLE CONTROL HISTORY Vehicle Control History HINT: Part of the control history can be confirmed using the vehicle control history. Click here

 ECU Malfunction (C1611)

DESCRIPTION If the clearance warning ECU assembly detects an internal malfunction during self-diagnosis, DTC C1611 is stored. DTC No. Detection Item DTC Detection Condition Trouble Area C

 Steering Angle Sensor Failure (C1626)

DESCRIPTION This DTC is stored if the clearance warning ECU assembly receives a signal via CAN communication from the steering sensor that indicates an internal malfunction. DTC No. Detection Ite

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 Adjustment

ADJUSTMENT PROCEDURE 1. INSPECT AND ADJUST BRAKE PEDAL HEIGHT (a) Check the brake pedal height. *1 Brake Pedal Pad - - *a Brake Pedal Height *b Measuring Plane of Floor Panel Brake pedal height from floor panel: 188.9 to 198.9 mm (7.44 to 7.83 in.) (b) Adjust the brake pedal

 How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the intelligent clearance sonar system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. CUSTOMER PROBLEM ANALYSIS NEXT 3. INSPECT AUXILI

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