2010 Jeep Grand Cherokee Owner's Manual - Page 313

312 STARTING AND OPERATING NOTE: Your system can be set to display pressure units message will not be present, and a pressure value will be in PSI, kPa, or BAR. displayed instead of dashes. A system fault can occur by any of the following: 1. Jamming due to electronic devices or driving next to facilities emitting the same Radio Frequencies as the TPM sensors. 2. Installing some form of aftermarket window tinting that affects radio wave signals. 3. Lots of snow or ice around the wheels or wheel housings. 4. Using tire chains on the vehicle. 5. Using wheels/tires not equipped with TPM sensors. If the ignition switch is cycled, this sequence will repeat, providing the system fault still exists. If the system fault The EVIC will also display a CHECK TPM SYSTEM no longer exists, the Tire Pressure Monitoring Telltale message for three seconds when a system fault is deLight will no longer flash, the CHECK TPM SYSTEM tected possibly related to the trigger component. In this