P1783 Buick 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 Buick Description
Engine at operating temperature and the Engine Control Module (ECM) detected the transmission temperature sensor was over calibrated range
Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave – Buick Encore – Buick Rainier – Buick Rendezvous – Buick Terraza – Buick Riviera