C0278 Lexus Open or Short Circuit in ABS Solenoid Relay Circuit
Possible causes
– Brake actuator (skid control ECU)
– ABS solenoid relay circuit
– ABS solenoid relay circuit
What about the obd code?
When solenoid relay is turned on, relay contact is off for 0.2 seconds or longer.
Symptoms
– ABS Warning Light ON
Lexus Vehicle:Lexus ES,Lexus GS,Lexus GX,Lexus HS,Lexus IS,Lexus LFA,Lexus LS,Lexus LX,Lexus RX,Lexus RX,Lexus SC,Lexus GS350,Lexus GS450H,Lexus IS250,Lexus GX460,Lexus IS350,Lexus LS460,Lexus LS600H,Lexus LX570,Lexus RX350