Home >> Volvo >> 2000 >> S80 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control Module (ECM) Diagnostic Trouble Codes - 2 Of 11 >> ECM-1200: Intake Air Temperature (IAT) Sensor. Signal Too Low. Permanent Fault (B6294S; 2000-2001) >> Signal too low. Permanent fault >> Verification >> Intake Air Temperature (IAT) sensor inlet