2011 Dodge Ram 1500 Crew Cab Owner Manual - Page 220

UNDERSTANDING YOUR INSTRUMENT PANEL 219 tires or wheels on your vehicle, to ensure that the the Electronic Vehicle Information Center (EVIC) screen replacement or alternate tires and wheels allow the TPMS indicating "Low Tire" for EVIC enabled clusters. to continue to function properly. 26. Malfunction Indicator Light (MIL) The Malfunction Indicator Light (MIL) is part of CAUTION! an onboard diagnostic (OBDII) system which monitors the emissions and engine control sysThe TPMS has been optimized for the original equipment tires and wheels. TPMS pressures and tem. If the vehicle is ready for emissions testing, the light warning have been established for the tire size will come on when the ignition is first turned on and equipped on your vehicle. Undesirable system opera- remain on, as a bulb check, until the engine is started. If tion or sensor damage may result when using re- the vehicle is not ready for emissions testing the light will placement equipment that is not of the same size, come on when the ignition is first turned on and remain type, and/or style. Aftermarket wheels can cause on for 15 seconds, then blink for 5 seconds, and remain sensor damage. Do not use tire sealant from a can, or on until the vehicle is started. If the bulb does not come balance beads if your vehicle is equipped with a on during starting, have the condition investigated promptly. TPMS, as damage to the sensors may result. If this light comes on and remains on while driving, it NOTE: The TPMS telltale is also accompanied by a suggests a potential engine control problem and the need "Low Tire" message in the odometer (Base Cluster), or in for system service. 4