Remapping or chip tuning your Dodge vehicle requires downloading the memory chips in the Engine Control Unit (ECU) that store instructions about how your engine runs. This memory is known as "firmware," and it is at the center of operations in nearly all digital devices. In the past, car engines were tuned via mechanical adjustments, but modern vehicles rely on electronics.
If you have a pre-2000 model Dodge, performance tune-ups are accomplished by chip tuning. This involves removing the ECU to access the memory chip and then "reading" the data stored on the chip and making changes that will improve vehicle performance. For Dodge vehicles manufactured after 1999, remapping is the customary procedure. This is essentially the same as chip tuning; only the ECU chip data is read via an OBD/OBDII port, eliminating the need for the unit's removal.
Remapping involves reading the data stored on the ECU chip and changing it to better the vehicle's performance via the OBD/OBDII port. Remapping can be done on Dodge models dating from 2000, while chip tuning is a similar performance-enhancing process performed on pre-2000 models. Both procedures can improve your Dodge engine performance significantly by enhancing torque and mpg. After chip tuning or remapping, you will notice that your vehicle has more power and a smoother ride.