OBDU On-board diagnostic unit
KSM not on CAN
TBM Telematic Board Module
No DM1 message from control unit 253
We found 2 information about 2253 error code for MAN heavy machines..
If one SPN refers to the same fault/component in several control units/systems, only the generic term of the system is given.
Or if one SPN refers to different fauls/components in several control units/systems each relevant variant is named.