C1003 Code: Meaning, Causes, and Symptoms | OBD2 Codes
C1003 – Tire Pressure Monitoring Sensor Battery Low
C1003 Possible Symptoms
Anti-Lock Brake System (ABS) Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)
C1003 Possible Causes
Faulty Tire Pressure Monitoring (TPM) Sensor,Faulty Tire Pressure Monitoring (TPM) Module
The Tire Pressure Monitoring (TPM) Sensor actively monitors the air pressure, air temperature inside the tire, the direction of the tire rotation and the internal battery status. Each sensor has a unique ID code. The TPM Sensor transmits the data at regular intervals via an encoded signal to a receiver circuit located in the Tire Pressure Monitoring (TPM) Module.