Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: G Sensor Failure (C1647)

• *1: for Optitron Meter Type
• *2: for TFT Meter Type

NOTICE:

• After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.

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• After replacing an ultrasonic sensor or the clearance warning ECU assembly, perform the necessary procedures (adjustment, calibration, initialization or registration).

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HINT:

• DTC C1647 is stored when a malfunction signal sent from the vehicle stability control system is detected.
• If the malfunctioning part has been repaired or replaced before rechecking for DTCs, DTC C1647 will not be output again.
• If DTC C1647 is output frequently, duplicate the conditions that cause the problem symptoms and perform the inspection again, even though the DTC was not output when rechecking for DTCs.

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Communication Error From Clearance Sonar ECU to VSC (C164B)

Wheel Speed Sensor Malfunction (C164D)

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