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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 58 (Tire Pressure Monitoring System (HEV)) >> Description and Operation >> Description >> DTC Warning

DTC Warning

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Fig 1: Tire Under Inflation/Leak Warning
G10589051Courtesy of HYUNDAI MOTOR AMERICA
  1. Turn on condition
    • When the system detects a fault that is external to the receiver/sensor.
    • When the system detects a receiver fault.
    • When the system detects a sensor fault.
  2. Turn off condition
    1. If the fault is considered as 'critical', then the lamp is held on throughout the current Ignition cycle (even if the DTC has been demoted). This is because it is important to bring the problem to the drivers attention. On the following Ignition cycle, the demotion conditions will be rechecked. If the demotion conditions occur, the lamp will be turned off. It will be held on until DTC demotion checking is completed.
    2. 'Non critical' faults are those that can occur temporarily e.g. vehicle battery under voltage. The lamp is therefore turned off when the DTC demotion condition occurs.
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