Scania fault code 604

Code 604 is used by 3 different Scania systems. Choose the control unit shown in your diagnostic tool:

CUV Visibility system Rain and light sensor The rain and light sensor is interpreted as incorrectly calibrated. Read explanation → EST Operating mode valve (OMV) The operating mode valve is locked in the closed position. Read explanation → ESTA Operating mode valve (OMV) The operating mode valve is locked in the closed position. Read explanation →