The TPMS Malfunction Indicator will illuminate after it blinks for approximately one minute when there is a problem with the Tire Pressure Monitoring System.
Have the system checked by an authorized HYUNDAI dealer as soon as possible.
NOTICE
If there is a malfunction with the TPMS, the individual tire pressures in the cluster LCD display will not be available. Have the system checked by an authorized HYUNDAI dealer as soon as possible.
NOTICE
The TPMS Malfunction Indicator may illuminate after blinking for one minute if the vehicle is near electric power supply cables or radio transmitters such as police stations, government and public offices, broadcasting stations, military installations, airports, transmitting towers, etc.
Additionally, the TPMS Malfunction Indicator may illuminate if snow chains are used or electronic devices such as computers, chargers, remote starters, navigation, etc. This may interfere with normal operation of the TPMS.
Hyundai Elantra AD (2016-2020) Service Manual: SRS Control Module (SRSCM) Components and Components Location
Components
1. Supplemental Restraint System Control Module (SRSCM)
Supplemental Restraint System Control Module (SRSCM)
NoConnector AConnector B1IGN 1Ground2Driver front impact sensor - High (+)Driver seat belt pretensioner - High (+)3Driver front impact sensor - Low (-)Driver seat belt p ...
Hyundai Elantra AD (2016-2020) Service Manual: Passenger Airbag (PAB) Module Repair procedures
Removal
1.
Disconnect the battery negative cable and wait for at least three minutes before beginning work.
2.
Remove the glove box housing.
(Refer to Body - "Glove Box Upper Cover Assembly")
3.
Remove the passenger airbag mounting bolts.
4.
Disconnect the passenger airbag connector ...