Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual: Electric Parking Brake Actuator (C13B800)

DESCRIPTION

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Memory

Note

C13B800

Electric Parking Brake Actuator

  • Diagnosis Condition:

    Electric parking brake operating

  • Malfunction Status:

    Repeated slipping is detected

  • Detection Time:

    -

  • Parking brake actuator assembly
  • Rear brake

DTC stored

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

CAUTION / NOTICE / HINT

NOTICE:

  • Although DTC C13B800 may be stored after entering pad replacement mode, this is not a malfunction.
  • Although DTC C13B800 may be stored after forcibly releasing the parking brake, this is not a malfunction.
  • 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.

CHECK DTC

(a) Using the Techstream, check for DTCs other than DTC C13B800.

Chassis > Brake/EPB > Trouble Codes

Result

Proceed to

Only DTC C13B800 is output

A

DTCs other than C13B800 are output

B

B

GO TO DIAGNOSTIC TROUBLE CODE CHART

A

2.

ELECTRIC PARKING BRAKE OPERATION CHECK

(a) Lift the vehicle and check the status of the rear wheels using the Techstream when the electric parking brake is applied and released.

Click here

NEXT

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

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

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