I receive 2006 RX400H car with critical Brake problem, another garage have change many component befor bring car to us
With Lunch X431 i have thes faults codes :
C1203 ECM Communication Circuit Malfunction ...
C1256 Accumulator Low Pressure
C1345 Linear Solenoid Valve Offset Learning Undone
C1354 Rear Increasing Pressure Solenoid RH Malfunction ...
C1392 Stroke Sensor Zero Point Calibration Undone ..

I try many procedure Change Skid control module , change ABS actuator but RR whell have no good pressure
kindly help

Thanks and regards