C101A Code: Meaning, Causes, and Symptoms | OBD2 Codes
C101A – Vacuum Pressure Sensor
C101A Possible Symptoms
Anti-Lock Brake System (ABS) Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)
C101A Possible Causes
Faulty Vacuum Pressure Sensor,Vacuum Pressure Sensor harness is open or shorted,Vacuum Pressure Sensor circuit poor electrical connection
C101A Description
The Anti-Lock Brake System (ABS) Module monitors the Vacuum Pressure Sensor. The ABS Module sets the OBDII code when the Vacuum Pressure Sensor is not to factory specifications.