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Home >> Lexus >> 2024 >> GX 550 Overtrail >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge System - Diagnostic Codes & Symptom Tests >> Meter / Gauge System >> Fuel Receiver Gauge Malfunction [12/2023 - ] >> Caution / Notice / Hint

Caution / Notice / Hint

WARNING:

Be careful of flames.

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.
  • After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (-) battery terminal.

    Refer to BEFORE DISCONNECTING BATTERY [12/2023 - ]

  • When disconnecting and reconnecting the battery

    HINT: 

    When disconnecting the cable from the negative (-) battery terminal while performing repairs, some systems need to be initialized after the cable is reconnected.

    Refer to AUTOMATIC LEARNING CHART [12/2023 - ]

  • Before preforming this procedure, check for Meter / Gauge System DTC B1500-13 which is stored if an open or short in the circuit is detected. If DTC B1500-13 is output, perform troubleshooting and repairs as necessary.

    Refer to DTC B1500-13: Fuel Sender Circuit Open [12/2023 - ] 

  • When the combination meter assembly is replaced, update the ECU security key.

    Refer to UPDATE ECU SECURITY KEY [12/2023 - ]