LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2008 >> LX 570 >> Repair and Diagnosis >> Brakes >> Brakes Control Systems >> Brake Control / Dynamic Control Systems >> Vehicle Stability Control System >> DTC C1256/56 Accumulator Low Pressure >> Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC C1256/56 Accumulator Low Pressure: Description

The accumulator pressure sensor is connected to the skid control ECU in the master cylinder solenoid.

Fig 1: Pressure Switch Communication Diagram
G05629902Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
DTC DETECTION CONDITION AND TROUBLE AREA

DTC Code DTC Detection Condition Trouble Area
C1256/56 The fluid pressure inside the accumulator is below the standard value.
  • Hydraulic brake booster
  • Hydraulic brake booster pump motor
  • Hydraulic brake booster pump motor circuit
  • Accumulator pressure sensor
scientia non olet · About LEMON Manuals