Possible Causes
WARNING: This page is about a different car, the 2009 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
| (K360) PTC NO. 1 RELAY CONTROL CIRCUIT SHORTED TO VOLTAGE |
| (K360) PTC NO. 1 RELAY CONTROL CIRCUIT OPEN OR HIGH RESISTANCE |
| PTC NO. 1 RELAY |
| FRONT CONTROL MODULE (FCM) |