Possible Causes
WARNING: This page is about a different car, the 2003 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.
- Good Trip Equal To Zero
- (K21) IAT Signal Circuit Shorted To Battery Voltage
- IAT Sensor Voltage Below 1.0 Volt
- (K21) IAT Signal Circuit Open
- (K4) Sensor Ground Circuit Open
- (K21) IAT Signal Shorted To Ground
- (K21) IAT Signal Circuit Shorted To (K4) Sensor Ground
- PCM