Look up the meaning of an OBD-II P-code or Bosch ECU family — handy when placing a "DTC off" request and you want to know which system is involved.
Note: this is general reference information, not an exact diagnosis. The precise cause, and whether a code can safely be disabled, depends on your specific vehicle — always have this assessed by the tuning file provider on your request.
Indicative overview of commonly used Bosch ECU generations per application. Always check the type plate / exact ECU board for the correct version.
