C1025 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C1025 – Brake Primary Circuit Overboost Pressure

 

C1025 Possible Symptoms

 

Anti-Lock Brake System (ABS) Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)

 

C1025 Possible Causes

 

Brake system leaks,Air in the brake system,Faulty Anti-Lock Brake System (ABS) Module

 

C1025 Description

 

The Anti-Lock Brake System (ABS) Module monitors the Brake Primary Circuit Overboost Pressure. The ABS Module sets the OBDII code when the Brake Primary Circuit Overboost Pressure is not to factory specifications.