2011 Jeep Grand Cherokee Owner Manual - Page 424

422 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 ЉSERVICE TPM SYSTEMЉ no longer exists, the Tire Pressure Monitoring Telltale message for a minimum of five seconds when a system Light will no longer flash, the ЉSERVICE TPM SYSTEMЉ fault is detected possibly related to the trigger component an incorrect sensor location fault. In this case, the