DTC C1119-91: Hydraulic Pressure - Parametric: Action

Check integrity of hydraulic system, clean the system and replace the hydraulic fluid. Check and replace the return pipe as necessary. Clear the DTCs and retest
If the fault persists, check the suction hose for blockage or kinking and rectify or replace as required. Clear the DTCs and retest
If the fault persists, install a new pressure transducer. Clear the DTCs and retest
If the fault persists, install a new valve block. Clear the DTCs and retest