2004 Jeep Grand Cherokee Owner's Manual - Page 93

UNDERSTANDING THE FEATURES OF YOUR VEHICLE 93 1. If any tire pressure has exceeded the low or high pressure (refer to STARTING AND OPERATING - TIRES AND WHEELS), the TPM system will display a message in the EVIC and sound a chime. It will then go into the tire pressure display screen and flash the pressure value of the tire that is low or high. This will be displayed for the rest of the ignition cycle, or until either the C/T, MENU, STEP, or RESET button is pressed. NOTE: This display will return 60 seconds after either the C/T, MENU, STEP, or RESET button is pressed. If a tire is low or high, you should correct your tire inflation pressure as soon as possible and inspect all of your tires. Refer to STARTING AND OPERATING - TIRES AND WHEELS for more details. Once the low or high tire pressure message has occurred, it will continue to blink until the tire pressure is corrected. 2. If the spare tire pressure has exceeded the low or high pressure allowed, the TPM system will display a message in the EVIC for 60 seconds and sound a chime per every ignition cycle (5 Tire TPM System Only). NOTE: This message will return every ignition cycle, until the tire pressures are corrected. 3. When the vehicle is moving and the EVIC cannot receive a valid sensor signal from the tire pressure sensors, the TIRE PRESSURE UNAVAILABLE message will be displayed for 5 seconds along with a chime. The display will then shift to the individual tire pressure display screen and display dashes for the tire or tires that are affected. Once the TIRE PRESSURE UNAVAILABLE message has been displayed, and valid sensor signals are received, the EVIC will display the TIRE PRESSURE NOW AVAILABLE message for 5 seconds along with a chime. This is meant to inform you when the TPM system has returned to it's normal operation. This will occur 3