Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Brake Switch "A" Circuit Open (P057113)

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual / Engine & Hybrid System / Cruise Control / Dynamic Radar Cruise Control System / Brake Switch "A" Circuit Open (P057113)

DESCRIPTION

When the brakes are applied by the dynamic radar cruise control system, the skid control ECU (brake actuator assembly) operates the stop light switch assembly (stop light control relay) to illuminate the stop lights.

If the ECM receives a signal from the skid control ECU (brake actuator assembly) indicating a malfunction of the stop light control relay, DTC P057113 is stored.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

MIL

DTC Output from

P057113

Brake Switch "A" Circuit Open

When the dynamic radar cruise control system is operating, the ECM detects a signal indicating a stop light control relay malfunction from the skid control ECU (brake actuator assembly) for approximately 1 second or more.

Vehicle stability control system

Does not come on

ECM

PROCEDURE

1.

GO TO VEHICLE STABILITY CONTROL SYSTEM

HINT:

If DTC P057113 is output by the dynamic radar cruise control system, perform troubleshooting for the vehicle stability control system first.

Click here

NEXT

END
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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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