Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Brake System Control Module "A" System Internal Failure (C059704,C059746,C13CF1C,C13D41C)

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual / Brake / Parking Brake / Electric Parking Brake System / Brake System Control Module "A" System Internal Failure (C059704,C059746,C13CF1C,C13D41C)

DESCRIPTION

The following DTCs are stored when a malfunction occurs in the skid control ECU (brake actuator assembly).

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Memory

Note

C059704

Brake System Control Module "A" System Internal Failure

Skid control ECU (brake actuator assembly) internal malfunction

Skid control ECU (brake actuator assembly)

DTC stored

An electric parking brake system malfunction is displayed on the multi-information display.

C059746

Brake System Control Module "A" Calibration / Parameter Memory Failure

Skid control ECU (brake actuator assembly) internal malfunction

Skid control ECU (brake actuator assembly)

DTC stored

An electric parking brake system malfunction is displayed on the multi-information display.

C13CF1C

Left Electric Parking Brake Actuator Current Sensor Circuit Voltage Out of Range

Skid control ECU (brake actuator assembly) internal malfunction

Skid control ECU (brake actuator assembly)

DTC stored

An electric parking brake system malfunction is displayed on the multi-information display.

C13D41C

Right Electric Parking Brake Actuator Current Sensor Circuit Voltage Out of Range

Skid control ECU (brake actuator assembly) internal malfunction

Skid control ECU (brake actuator assembly)

DTC stored

An electric parking brake system malfunction is displayed on the multi-information display.

CAUTION / NOTICE / HINT

NOTICE:

  • The electric parking brake may still operate up to 20 seconds after the engine switch is turned off. Before disconnecting connectors or fuses, turn the engine switch off and wait 20 seconds or more.
  • After replacing the skid control ECU (brake actuator assembly), perform "Calibration".

    Click here

  • When replacing the skid control ECU (brake actuator assembly), operate the electric parking brake switch (electric parking brake switch assembly) as the parking brake indicator light (red) blinks when the engine switch is first turned on (IG).

PROCEDURE

1.

REPLACE SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)

(a) Replace the skid control ECU (brake actuator assembly).

Click here

NEXT

END

    Diagnostic Trouble Code Chart
    DIAGNOSTIC TROUBLE CODE CHART Electric Parking Brake System DTC No. Detection Item Memory Note Link C059704 Brake System Control Module "A" System Internal Failure DTC stored An e ...

    Vehicle Control History
    VEHICLE CONTROL HISTORY DESCRIPTION Vehicle Control History is a function that captures and stores ECU data when triggered by specific vehicle behavior. If the customer states that the engine sta ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Lighting System (w/ Automatic Headlight Beam Level Control System): Outside Handle Foot Light Circuit
    DESCRIPTION The main body ECU (multiplex network body ECU) controls the outside handle foot lights. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Before replacing the main body ECU (multiplex network body ECU), refer to Registration. Click here PROCEDURE 1. PERFORM ACTIVE TEST USING TECHS ...

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Front Camera System: Steering Vibrator System Missing Message (C1A7587)
    DESCRIPTION The forward recognition camera communicates with the steering vibration ECU via LIN communication. If a communication error between the forward recognition camera and steering vibration ECU is detected, DTC C1A7587 is stored. DTC No. Detection Item DTC Detection Condition Troubl ...

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

    © 2025 Copyright www.lexusrx.net
    0.0138