P1783 Lexus Transmission Overtemperature Condition
Possible causes
– Transmission temperature sensor harness is open or shorted
– Transmission temperature sensor circuit poor electrical connection
– Faulty transmission temperature sensor
– Transmission temperature sensor circuit poor electrical connection
– Faulty transmission temperature sensor
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1783 Lexus Description
Engine at operating temperature and the Engine Control Module (ECM) detected the transmission temperature sensor was over calibrated range
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