P0183 GMC Engine Fuel Temperature Sensor A Circuit High Input
Possible causes
– Faulty Engine Fuel Temperature Sensor
– Engine Fuel Temperature Sensor harness is open or shorted
– Engine Fuel Temperature Sensor circuit poor electrical connection
– Engine Fuel Temperature Sensor harness is open or shorted
– Engine Fuel Temperature Sensor circuit poor electrical connection
What about the obd code?
An excessively high voltage is sent to Powertrain Control Module (PCM) by the Engine Fuel Temperature (EFT) Sensor.
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P0183 GMC Description
The comprehensive component monitor (CCM) monitors the Engine Fuel Temperature (EFT) Sensor circuit to the Powertrain Control Module (PCM) for low and high voltage. If voltage were to fall below or exceed a calibrated limit and amount of time during testing, the test will fail. Open or short in harness. Low ambient temperature operation.
GMC Vehicle:GMC Acadia,GMC Canyon,GMC Envoy,GMC Savana 1500,GMC Savana 2500,GMC Savana 3500,GMC Sierra 1500,GMC Sierra 2500 HD,GMC Sierra 3500 HD,GMC Terrain,GMC Yukon,GMC Yukon XL 1500,GMC Yukon XL 2500,