TPMS Symptom Troubleshooting Index (TPMS)

Symptom	Diagnostic Procedure	Also Check For
HDS does not communicate with the VSA modulator-control unit or the vehicle	Troubleshoot the DLC circuit - Refer to: DLC CIRCUIT TROUBLESHOOTING(PGM-FI SYSTEM) (2014 2015), or DLC CIRCUIT TROUBLESHOOTING(PGM-FI SYSTEM) (2017) .
TPMS calibration does not complete (Indicated FAILED in the MID)	1. CHECK FOR VSA SYSTEM DTCS . 2. Check for the VSA indicator. If VSA indicator turns on, do the VSA system symptom troubleshooting "ABS indicator, brake system indicator, and VSA indicator do not go off" - Refer to: VSA SYSTEM SYMPTOM TROUBLESHOOTING - VSA CANNOT BE TURNED OFF, or VSA System Symptom Troubleshooting - ABS Indicator, Brake System Indicator, And VSA Indicator Do Not Go Off (2014) or VSA SYSTEM SYMPTOM TROUBLESHOOTING - ABS INDICATOR, BRAKE SYSTEM INDICATOR, AND VSA INDICATOR DO NOT GO OFF (2015 2017) . 3. DO THE GAUGE CONTROL MODULE SELF-DIAGNOSTIC FUNCTION . 4. UPDATE THE VSA MODULATOR-CONTROL UNIT IF IT DOES NOT HAVE THE LATEST SOFTWARE . If the VSA modulator-control unit was updated and the symptom is still present, REPLACE THE VSA MODULATOR-CONTROL UNIT .
TPMS warning is indicated	1. CHECK FOR VSA SYSTEM DTCS . 2. Check for the VSA indicator. If VSA indicator turns on, do the VSA system symptom troubleshooting "ABS indicator, brake system indicator, and VSA indicator do not go off" - Refer to: VSA SYSTEM SYMPTOM TROUBLESHOOTING - VSA CANNOT BE TURNED OFF, or VSA System Symptom Troubleshooting - ABS Indicator, Brake System Indicator, And VSA Indicator Do Not Go Off (2014) or VSA SYSTEM SYMPTOM TROUBLESHOOTING - ABS INDICATOR, BRAKE SYSTEM INDICATOR, AND VSA INDICATOR DO NOT GO OFF (2015 2017) . 3. UPDATE THE VSA MODULATOR-CONTROL UNIT IF IT DOES NOT HAVE THE LATEST SOFTWARE . If the VSA modulator-control unit was updated and the symptom is still present, REPLACE THE VSA MODULATOR-CONTROL UNIT .
Low tire pressure/TPMS indicator comes on	1. Check the tire size and tire pressure according to tire information. 2. Do The TPMS Calibration .
Low tire pressure/TPMS indicator does not come on when the tire pressure has decreased	1. See General Troubleshooting Information "Condition For Data Rejection, And Case TPMS Can Not Operate Normally" (Even If A System Is Normal, There Is A Possibility That Cannot Detect Low Tire Pressure) . 2. DO THE GAUGE CONTROL MODULE SELF-DIAGNOSTIC FUNCTION . 3. Do The TPMS Calibration . 4. UPDATE THE VSA MODULATOR-CONTROL UNIT IF IT DOES NOT HAVE THE LATEST SOFTWARE . If the VSA modulator-control unit was updated and the symptom is still present, REPLACE THE VSA MODULATOR-CONTROL UNIT .