Possible Causes
WARNING: This page is about a different car, the 2004 Dodge Pickup and 2004 Dodge Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
- IAT SENSOR VOLTAGE ABOVE 4.98 VOLTS
- IAT SENSOR
- (K21) IAT SIGNAL CIRCUIT SHORTED TO BATTERY VOLTAGE
- (K21) IAT SIGNAL CIRCUIT OPEN
- (K900) SENSOR GROUND CIRCUIT OPEN
- PCM