spn-601-fmi-9 Mercedes Fault Code :
Read the description of spn-601-fmi-9 in KAMA3-5490 and the engine lights up for KAMA3 5490 Fault Codes code, there are some possible causes for it.
Fault Location
Cruise Control Switch CC+ (Res + Acc)
Fault Description
Abnormal Update Rate (Resume Switch)
Fault PIN
CAN-J1939