falla presión, p0522, sin ningun síntoma mecanico

Question

has changed the oil pump, the sensor was changed, changed the oil, the electric part is discarded testing directly the pressure sensor oil with lit vehicle, truck, caliber 2007, SXT presents no sound mechanical or lose strength. It has been observed that the oil wrap presents p0522 failure but without any mechanical symptom. the vehicle has 140,000 km and has not changed the refirerante. that could give me advice, thank you very much