Lexus NX: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Wireless Door Lock Control System

DTC No.

Detection Item

Link

B1242

Wireless Door Lock Tuner Circuit Malfunction

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 Wireless Door Lock Tuner Circuit Malfunction (B1242)

DESCRIPTION The door control receiver is used to receive radio waves related to the entry functions of the electrical key transmitter sub-assembly. The certification ECU (smart key ECU assembly) decod

 No Answer-Back

DESCRIPTION In some cases, wireless door lock control functions are normal but the hazard warning light and/or wireless door lock buzzer answer-back function does not operate. In such cases, hazard wa

 Heating / Air Conditioning

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 Open or Short Circuit in Release Switch Circuit (C13A4,C13AC)

DESCRIPTION When the electric parking brake switch (integration control and panel assembly) is pushed to the release side, a release request signal is output to the parking brake ECU assembly. DTC No. Detection Item DTC Detection Condition Trouble Area Memory Note C13A4 Open or Sh

 Vehicle Speed Signal (C1541)

DESCRIPTION The power steering ECU assembly receives vehicle speed signals from the skid control ECU (brake booster with master cylinder assembly) via CAN communication. The ECU provides appropriate assisting force in accordance with the vehicle speed based on the signals. DTC No. Detection Ite

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