B2071 LEXUS – Stop Light Control Relay Malfunction

B2071 LEXUS Possible Symptoms

Air Bag Warning Light ON

B2071 LEXUS Possible Causes

Faulty Vehicle Stability Control System,Faulty Seat Belt Control ECU

B2071 LEXUS Description

This Diagnostic Trouble Code (DTC) is stored when the master cylinder solenoid (Skid Control ECU) detects that the brake light relay is malfunctioning and transmits this to the seat belt control ECU via CAN communication.