Master Cylinder To Primary Circuit Pressure
Table of contents
C1027 MERCURY Possible Causes
- Brake system leaks
- Air in the brake system
- Faulty Anti-Lock Brake System (ABS) Module
How do I fix code C1027 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
- C1027:62 Master Cylinder (MC) to Primary Circuit Pressure: Signal Amplitude > Maximum
Cost of diagnosing the C1027 MERCURY code
The cost of diagnosing the C1027 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)
C1027 MERCURY Description
The Anti-Lock Brake System (ABS) Module monitors the Primary Circuit Pressure. The ABS Module sets the OBDII code when the Primary Circuit Pressure is not to factory specifications.