DTC P1577 Subaru
Hydraulic Brake Boost Pressure Loss Low Input
Hydraulic Brake Boost Pressure Loss Low Input
Description
Ignition voltage is greater than 10 V. Transmission in Park Brake pedal was applied.
Cause and Solution
Boost pressure command greater than boost pressure +1500 kPa (217 psi) for 250 ms.Master cylinder pressure greater than boost pressure -200 kPa (29 psi) for 250 ms.Accumulator pressure greater than 16,000 kPa (2320 psi) for 250 ms.DTCs C12BC, C12BD, C12BE, C128A, C128D, C127D, C12E4, C1255, C1256, C126E, C123C, or C127C not set.
Video Guide
Diagnostic Info
- DTC Code: P1577
- Brand: Subaru