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Home >> Lexus >> 2025 >> NX 250 FWD >> Repair and Diagnosis >> Electrical >> Gauges >> Meter / Gauge System - Diagnostic Codes (2 Of 2), Symptom Tests & Circuit Tests >> Meter / Gauge System >> DTC B1512-87: Lost Communication with Steering Switch Control Module Missing Message; DTC B1513-87: Lost Communication with Steering Switch Control Module (Multiplex Switch) Missing Message [11/2021 - ] >> Caution / Notice / Hint

Caution / Notice / Hint

NOTE:
  • When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.
  • When replacing the combination meter assembly, update the ECU security key.

    Refer to UPDATE ECU SECURITY KEY [11/2021 - ]

  • The vehicle is equipped with a Supplemental Restraint System (SRS) which includes components such as airbags. Before servicing (including removal or installation of parts), be sure to read the precaution for Supplemental Restraint System.

    Refer to PRECAUTION [11/2021 - ]

  • Inspect the fuses of circuits related to this system before performing the following procedure.
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