Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Brake Hydraulic Pressure Malfunction (C164F)

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 C164F 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 C164F will not be output again.
• If DTC C164F 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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Stop Switch Circuit Malfunction (C164E)

Outside Air Temperature Sensor (C1652)

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