Black plate (53,1)Cadillac CTS Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-6081492) - 2014 - CRC 2nd Edition - 11/18/13Vehicle Care 10-53TPMS Malfunction Light andMessageThe TPMS will not function properlyif one or more of the TPMS sensorsare missing or inoperable. When thesystem detects a malfunction, thelow tire warning light flashes forabout one minute and then stays onfor the remainder of the ignitioncycle. A DIC warning message alsodisplays. The malfunction light andDIC warning message come on ateach ignition cycle until the problemis corrected. Some of the conditionsthat can cause these to comeon are:. One of the road tires has beenreplaced with the spare tire. Thespare tire does not have aTPMS sensor. The malfunctionlight and DIC message shouldgo off after the road tire isreplaced and the sensormatching process is performedsuccessfully. See “TPMS SensorMatching Process” later in thissection.. The TPMS sensor matchingprocess was not done or notcompleted successfully afterrotating the tires. Themalfunction light and the DICmessage should go off aftersuccessfully completing thesensor matching process. See"TPMS Sensor MatchingProcess" later in this section.. One or more TPMS sensors aremissing or damaged. Themalfunction light and the DICmessage should go off when theTPMS sensors are installed andthe sensor matching process isperformed successfully. Seeyour dealer for service.. Replacement tires or wheels donot match the original equipmenttires or wheels. Tires and wheelsother than those recommendedcould prevent the TPMS fromfunctioning properly. See BuyingNew Tires on page 10-57.. Operating electronic devices orbeing near facilities using radiowave frequencies similar to theTPMS could cause the TPMSsensors to malfunction.If the TPMS is not functioningproperly, it cannot detect or signal alow tire condition. See your dealerfor service if the TPMS malfunctionlight and DIC message come onand stay on.TPMS Sensor MatchingProcessEach TPMS sensor has a uniqueidentification code. The identificationcode needs to be matched to a newtire/wheel position after rotating thevehicle’s tires or replacing one ormore of the TPMS sensors. TheTPMS sensor matching processshould also be performed afterreplacing a spare tire with a roadtire containing the TPMS sensor.The malfunction light and the DICmessage should go off at the nextignition cycle. The sensors arematched to the tire/wheel positions,