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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 Hybrid transmission

Select the shift position depending on your purpose and situation. Shift position purpose and functions *1: To improve fuel efficiency and reduce noise, shift the shift lever to D for normal driving. You can choose gear range suitable for your driving situation by operating the paddle shif

 Check Mode Procedure

CHECK MODE PROCEDURE REFRIGERANT GAS VOLUME CHECK IN NORMAL OPERATION (CHECK A/C SWITCH INDICATOR AND DTC) *a Example (a) Turn the power switch on (READY). (b) Check that A/C switch indicator remains on when the following conditions are met. Measurement Condition Item Condition A/C

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