Scania fault code 4590

Code 4590 is used by 3 different Scania systems. Choose the control unit shown in your diagnostic tool:

EMD Fan drive control system, low voltage The fan drive control system (FDC) indicates that the voltage supply is too low. Read explanation → EME Fan drive control system The fan drive control system senses that the voltage supply is too low. Read explanation → EMO Fan drive control system The fan drive control system senses that the voltage supply is too low. Read explanation →