P0629 Lexus Fuel Pump A Control Circuit High
Possible causes
– Faulty Fuel Pump
– Fuel pump harness is open or shorted
– Fuel pump circuit poor electrical connection
– Faulty Fuel Pump Relay
– Faulty fuel pump control module (if applicable)
– Fuel pump harness is open or shorted
– Fuel pump circuit poor electrical connection
– Faulty Fuel Pump Relay
– Faulty fuel pump control module (if applicable)
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P0629 Lexus Description
When the ignition switch is turned ON the Engine Control Module (ECM) will power the fuel pump relay and run the in-tank fuel pump.
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