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

C0078 Description

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.