Continental GPEC4LM ECU Tuning
Engine control unit used in 8 supported models from 4 makes.
Alfa Romeo with the Continental GPEC4LM
All Alfa Romeo tunes- Alfa Romeo Tonale2022+1.3 GSE 4xe, 1.3T Firefly GPF, 1.5 GSE T4, 1.5T Firefly GPF, 1.5T Firefly VGT GPFAutoTuner
Fiat with the Continental GPEC4LM
All Fiat tunes- Fiat 5002020+1.0i FireflyAutoTuner
- Fiat 500X2014+1.0T Firefly GPF, 1.3 GSE T4, 1.3T Firefly GPF, 1.5 GSE T4AutoTuner
- Fiat Panda2017+1.0i FireflyAutoTuner
- Fiat Tipo/Egea2016+1.0T Firefly GPF, 1.5 GSE T4AutoTuner
Jeep with the Continental GPEC4LM
All Jeep tunes- Jeep Compass2017+1.3 GSE 4xe (S), 1.3 GSE T4, 1.5 GSE T4, 1.5T Firefly GPFAutoTuner
- Jeep Renegade2014+1.0 GSE T3, 1.3 GSE 4xe, 1.3 GSE 4xe (S), 1.3 GSE T4, 1.5 GSE T4, 1.5T Firefly GPFAutoTuner
Lancia with the Continental GPEC4LM
All Lancia tunes- Lancia Ypsilon2016+1.0i FireflyAutoTuner
About Continental GPEC4LM tuning
The Continental GPEC4LM engine control unit is supported in 8 models from Alfa Romeo, Fiat, Jeep, Lancia. We read, modify, and flash it with AutoTuner, then verify the result on our Dynojet 424xLC2 in Jenison, MI. A custom calibration optimizes fueling, ignition timing, boost, and torque limits for your exact build.
Don't See Your Vehicle?
These lists cover off-the-shelf tuning platforms. We also do standalone ECU installs and custom calibrations, so reach out and we'll tell you what's possible for your build. Compatibility data last updated 2026-09-24.