Brake Line Pressure Sensor Circuit Fault
Findings, check these first
- Failed brake pressure sensor
- Open or shorted sensor circuit
- Air in the brake lines skewing readings
- Corroded sensor connector
- Module input fault
Standard procedure
- Bleed the brake system first
- Test sensor output through pedal travel
- Check circuit wiring
- Inspect the connector for brake fluid intrusion
- Replace the sensor per test results
Code lookup
Type a code above, or start from a symptom or a common code.
Press / to jump to the box. Ford-enhanced powertrain, body, chassis and network codes. Generic P0xxx codes live on OBD Codes List.
Sources and review
Review: checked against the recorded source material.
- OBDII.pro: P1561 Ford definition
live reference page (obdii.pro)
Supports: Ford-family meaning for P1561: BRAKE LINE PRESSURE SENSOR CIRCUIT
Fetched directly. obdii.pro is a publisher independent of the engine-codes family.
- P1561 FORD Code: Meaning, Causes, and Symptoms | OBD2 Codes
live reference page (obd2-codes.co)
Supports: Ford meaning for P1561: Brake Line Pressure Sensor Circuit
Fetched directly. obd2-codes.co phrasing matches the engine-codes family, so it counts as one publisher.
Last updated 2026-09-06.
Report a correction for P1561. Include your vehicle, the issue and a source if you have one.
This fault is part of the Ford ABS and traction control codes guide. It covers the family and the order to check it.