Possible Causes
WARNING: This page is about a different car, the 2016 Dodge Journey and 2015 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| (K21) IAT SIGNAL CIRCUIT SHORTED TO GROUND |
| (K21) IAT SIGNAL CIRCUIT SHORTED TO THE (K900) SENSOR GROUND CIRCUIT |
| (K21) IAT SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE |
| INTAKE AIR TEMPERATURE (IAT) SENSOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE . .