Scania fault code 656

BMU Battery Management Unit The heater is active in the shutdown mode Either the heater temperature increases without a request for increased temperature, or the heater temperature does not drop within a reasonable amount of time after overheating. Read explanation → COO Coordinator Coordinator Internal fault in the control unit. Read explanation → MBS Electrically powered wheelchair ramp, communication fault When the 15 voltage is activated, the signal from the electrically powered wheelchair ramp to the main body system is too low. The signal, which should normally be high, has been l… Read explanation → CUV Visibility system Dipped beam LH Left-hand dipped beam has reduced brightness or does not illuminate at all. Read explanation → BCI Short circuit, BCI1 pin C2 (truck) or C628-16 (bus) Short circuit to ground or supply voltage. Read explanation → CMS Solenoid valve for differential lock, driving rear axle/axles The solenoid valve (V10) that controls the differential lock for the driving rear axle/axles, connected on PWM output 1 (Pin: signal A3, ground A1) is either not connected or is sh… Read explanation → DAS Control unit Internal fault in the control unit. Read explanation → ACS Articulation Control System RTDB signal overwritten via diagnostic. Read explanation → ACSX RTDB signal overwritten via diagnostic. Read explanation →