Scania fault code 40997

Code 40997 is used by 2 different Scania systems. Choose the control unit shown in your diagnostic tool:

CCU Cab comfort control unit, low voltage The cab comfort control unit has interpreted that the supply voltage +24 V is below +16 V. Read explanation → ACC Automatic Climate Control Voltage supply, 24 V The voltage supply to the control unit is below 16 V. Read explanation →