Codeword Examples
Custom Code is filled with Codewords which allow you to toggle different features and specify how you’d like everything to work. Here’s a simple example with regards to Switchable Maps and Flex Fuel Blending. Consider tuning the map KF_LABAS_1:
You want to use Slot 3 with no Flex Fuel
Set
CW_MapSwitch_Slot3to 1Set
CW_MapSwitch_KF_LABAS_1to 1In app, enable
Switchable MapsMake sure
KF_LABAS_1data is valid for slot 3
You want to use to use Slot 3 WITH Flex Fuel
Set
CW_MapSwitch_KF_LABAS_1to 1Set
CW_MapSwitch_Slot3to 1Set
CW_FlexFuelBlending_KF_LABAS_1to 1Set
CW_FlexFuelBlending_Slot3to 1Set
CW_FlexFuelBlendingto 1In app, enable
Switchable Maps+Ethanol+Flex Fuel Blending+ Set your E% per slot or indicate the sensor
You want to use PF Slot 0 but also Flex Fuel with FF1/FF2 Slot 3
Set
CW_MapSwitch_KF_LABAS_1to 0 (Always reading PF from slot 0)Set
CW_MapSwitch_Slot3to 1 (Other maps are still allowed to use Slot 3, disable if you want all PF maps to use 0)Set
CW_FlexFuelBlending_KF_LABAS_1to 1Set
CW_FlexFuelBlending_Slot3to 1Set
CW_FlexFuelBlendingto 1In app, enable
Switchable Maps+Ethanol+Flex Fuel Blending+ Set your E% per slot or indicate the sensor
MG Flasher @ 2025