Lexus NX: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

CAN Communication System

DTC No.

Detection Item

DTC Output from

Link

B1003

ECU Malfunction

Central gateway ECU (network gateway ECU)

U0199

Lost Communication with "Door Control Module A"

Main Body

U0200

Lost Communication with "Door Control Module B"

Main Body

U0208

Lost Communication with "Seat Control Module A"

Main Body

U0230

Lost Communication with Rear Gate Module

Main Body

U1002

Lost Communication with Gateway Module (Main Body ECU)

Main Body

U1115

Lost Communication with Tilt & Telescopic Module

Main Body

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 ECU Malfunction (B1003)

DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from B1003 ECU Malfunction A malfunction in the non-volatile storage of the central gateway ECU (n

 Lost Communication with "Door Control Module A" (U0199)

DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from U0199 Lost Communication with "Door Control Module A" There is no communication from the oute

 Lost Communication with "Door Control Module B" (U0200)

DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from U0200 Lost Communication with "Door Control Module B" There is no communication from the oute

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 Daytime Running Light Relay Circuit

DESCRIPTION The illumination of the daytime running light (clearance light assembly) or clearance light is controlled by the headlight ECU sub-assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing the following inspection pr

 Route cannot be Calculated

PROCEDURE 1. SET DESTINATION (a) Set another destination and check if the system can calculate the route correctly. OK: Route can be correctly calculated. OK NORMAL OPERATION NG PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

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