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Home >> Kia >> 2023 >> Sorento Plug-In Hybrid SX Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 127 (Tire Pressure Monitoring System (PHEV)) >> TRMS Receiver >> Description & Operation >> Operation

Description & Operation: Operation

WARNING: This page is about a different car, the 2024 Kia Sorento. However, it is still accessible from the selected car via links, so may be relevant.
  1. General Function
    • Auto-learn takes place only once per ignition cycle.
    • On successful completion, 4 road wheel sensor ID's are stored into memory for monitoring.
    • Until auto-learn completes, previously learned sensors are monitored for under inflation/leak warnings.
  2. General Conditions to Learn New Sensors :
    • Receiver must determine that it is confident that sensor is not temporary :
      1. Uses vehicle speed.
      2. Uses confidence reduction of previously learned sensors.
    • Typical time for continuous driving over 15.5 mph (25 kph) to learn a new sensor is up to 20 minutes.
  3. General Conditions to un-learn a sensor that is removed :
    • It takes less than 20 minutes at 15.5 mph (20 - 30 kph).
    • Confidence reduction is dependent on time which vehicle is driven at speed greater than or equal to 12.4 mph (20 - 30 kph).