Possible Causes
WARNING: This page is about a different car, the 2023 Jeep Grand Wagoneer. However, it is still accessible from the selected car via links, so may be relevant.
| POSSIBLE CAUSES |
|---|
| IAT SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE |
| IAT SENSOR SIGNAL CIRCUIT OPEN/HIGH RESISTANCE |
| SENSOR GROUND CIRCUIT OPEN/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 .