Scania fault code 815
Code 815 is used by 4 different Scania systems. Choose the control unit shown in your diagnostic tool:
BMU Battery Management Unit
Faulty generation in the connected propulsion battery
The connected propulsion battery serial number indicates that the battery generation is not compatible with the IBU control unit software.
Read explanation →
COO Coordinator
CAN bus for switch modules
All communication for switch modules on the CAN bus has been interrupted.
Read explanation →
CMS
Solenoid valve for operating air to the rear axle
The voltage on the output to the solenoid valve (control unit pin A27) has been too low.
Read explanation →
DAS
Additional CAN bus
All communication on the CAN bus has been interrupted.
Read explanation →