Lexus NX: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Road Sign Assist System

DTC No.

Detection Item

Link

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

U015587

Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message

U029387

Lost Communication with Hybrid Powertrain Control Module Missing Message

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 Vehicle Control History

VEHICLE CONTROL HISTORY NOTICE: Make sure to record any output Vehicle Control History codes before clearing them and checking the Vehicle Control History again. CHECK VEHICLE CONTROL HISTORY (ROAD SI

 Lost Communication with Multi-axis Acceleration Sensor Module Missing Message (U012587,U012987,U014087,U015587,U029387)

DESCRIPTION When a malfunction is detected between various ECUs and sensors, these DTCs are stored. DTC No. Detection Item DTC Detection Condition Trouble Area U012587 Lost Communicatio

 Power Source & Network

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 Inspection

INSPECTION PROCEDURE 1. INSPECT GLOVE BOX LIGHT ASSEMBLY (a) Apply battery voltage to the connector and check the light illumination condition. OK: Measurement Condition Specified Condition Battery positive (+) → 2 (B) Battery negative (-) → 1 (L) Illuminates If the result is n

 Freeze Frame Data

FREEZE FRAME DATA FREEZE FRAME DATA (a) Whenever a DTC is detected, the headlight ECU sub-assembly or front recognition camera stores the current vehicle (sensor) state as freeze frame data. CHECK FREEZE FRAME DATA (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn t

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