Brake Primary Circuit Overboost Pressure
Table of contents
C1025 MERCURY Possible Causes
- Brake system leaks
- Air in the brake system
- Faulty Anti-Lock Brake System (ABS) Module
How do I fix code C1025 MERCURY?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Tech Notes
- C1025:21 Brake Primary Circuit Overboost Pressure: Signal Amplitude < Minimum
- C1025:22 Brake Primary Circuit Overboost Pressure: Signal Amplitude > Maximum
Cost of diagnosing the C1025 MERCURY code
The cost of diagnosing the C1025 MERCURY code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Anti-Lock Brake System (ABS) Warning Light ON
- Engine Light ON (or Service Engine Soon Warning Light)
C1025 MERCURY 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.