Lexus NX: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Vehicle Proximity Notification System

DTC No.

Detection Item

Link

B1350

Speaker Circuit

U0129

Lost Communication with Brake System Control Module

U0140

Lost Communication with Body Control Module

U0293

Lost Communication with Hybrid/EV Powertrain Control Module

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 Speaker Circuit (B1350)

DESCRIPTION The vehicle approaching speaker assembly circuit consists of the vehicle approaching speaker controller and vehicle approaching speaker assembly. This DTC is stored when a malfunction is d

 Lost Communication with Brake System Control Module (U0129,U0140,U0293)

DESCRIPTION These DTCs are stored when the CAN communication system is malfunctioning. DTC No. Detection Item DTC Detection Condition Trouble Area U0129 Lost Communication with Brake Sy

 There is No Sound Made

DESCRIPTION Based on signals received from each ECU, the vehicle approaching speaker controller outputs warning sounds through the vehicle approaching speaker assembly. WIRING DIAGRAM CAUTION / NOTIC

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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

 Parts Location

PARTS LOCATION ILLUSTRATION *1 FORWARD RECOGNITION CAMERA *2 MILLIMETER WAVE RADAR SENSOR ASSEMBLY *3 BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY - SKID CONTROL ECU *4 PARKING BRAKE ECU ASSEMBLY ILLUSTRATION *1 STEERING PAD SWITCH ASSEMBLY - VEHICLE-TO-VEHICLE DISTANCE C

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