NOTE:
For the diagnostic procedure, refer to DTC C0064 “NORMAL CLOSING VALVE 2 MALFUNCTION”. 
VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DTC C0031 FR HOLD VALVE MALFUNCTION
NOTE:
For the diagnostic procedure, refer to DTC C0064 “NORMAL CLOSING VALVE 2 MALFUNCTION”.