TO:DAA-AHR20W:2AZ-FXE:BKF:MIL on:DTC:
C1252 - Hydraulic brake booster pump motor ON time abnormally long.
C1256 - Malfunction of accumulator low pressure
http://prius.ecrostech.com/GenInfo/DTCs/Brake.htm
C1252 - hydraulic-booster pump motor malfunction
C1256 - accumulator low pressure switch malfunction
https://priuschat.com/threads/codes-c1252-c1256-c1259-c1310-prius-2005-220k-m-how-to-diy.172395/
C1659. Brake System Malfunction. Electronically controlled brake system.
C1252 - Hydraulic brake booster pump motor ON time abnormally long.
C1256 - Malfunction of accumulator low pressure
http://prius.ecrostech.com/GenInfo/DTCs/Brake.htm
C1252 - hydraulic-booster pump motor malfunction
C1256 - accumulator low pressure switch malfunction
https://priuschat.com/threads/codes-c1252-c1256-c1259-c1310-prius-2005-220k-m-how-to-diy.172395/
C1659. Brake System Malfunction. Electronically controlled brake system.