JFA Help Center
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DPF - Diesel Particulate Filter
DTC - Diagnostics Trouble Codes
EGR - Exhaust Gas Recirculate
GPF / OPF - Gasoline Particulate Filter
Lambda o2 Sensor
Swirl Flaps - Inlet flaps
AGS - Active Grille Shutter
Soft Rev Limiter
JFA Elite Flash
JFA Touch Tune
JFA Tuning Module
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Our most asked questions from our customers.
This is for use by JFA dealers to find relevant information about ECU's supported for tuning, patches and problem solving.
View installation instructions for some of our top tuning devices and parts