C1720 – Function Code Data From Front Left Transmitter Is Malfunctioning

C1720 Possible Symptoms

Tire Pressure Monitor System (TPMS) Warning Light ON

C1720 Possible Causes

Faulty Front Left Transmitter sensor,Front Left Transmitter sensor has not bee programmed,Faulty Tire Pressure Receiver,Faulty Body Control Module (BCM)

C1720 Description

A sensor-transmitter integrated with a valve is installed in each wheel. It transmits a detected air pressure signal in the form of a radio wave when the vehicle is moving. The radio signal is received by the tire pressure receiver and send to the Body Control Module (BCM). The BCM monitors the sensor-transmitter. The BCM sets the OBDII code when the sensor-transmitter signal is not to factory specifications.