C0078 Code: Meaning, Causes, and Symptoms | OBD2 Codes
C0078 – Tire Diameter
C0078 Possible Symptoms
Anti-Lock Brake System (ABS) Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)
C0078 Possible Causes
Tire pressure too low or too high,Wrong tire diameter
The Anti-Lock Brake System (ABS) Module monitors the Tire Diameter. The ABS Module sets the OBDII code when the Tire Diameter is not to factory specifications.