When an ECU is remapped, values inside its software are changed to alter how the engine controls torque, boost pressure, fuelling, ignition timing and other functions. However, changing the calibration is only part of the job. The ECU must also be able to confirm that the modified data is complete, internally consistent and acceptable to run. That is where the checksum becomes essential. A checksum is a calculated value used to check the integrity of a section of digital data. If the contents...

The differences between OBD, bench, and boot remapping can be understood by examining each term and the context in which they are used in...

When you think of enhancing your vehicle's performance, what comes to mind? For many car enthusiasts and everyday drivers alike, tuning...