Jeep 4.0 Tuning
Supported in 3 Jeep models, 1996-2004.
Jeep
3 supported 4.0 applications
Models With the Jeep 4.0
All Supported Jeep 4.0 Tunes
| Model | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| Cherokee | 2001 | ECU | HP Tuners | ||
| Grand Cherokee | 1996-2001 | ECU | HP Tuners | ||
| Wrangler | 1997-2004 | ECU | HP Tuners |
About Jeep 4.0 tuning
We tune the Jeep 4.0 in 3 applications across the Cherokee, Grand Cherokee, Wrangler, from 1996-2004, in gasoline form. Calibrations are written on HP Tuners for your exact hardware and fuel, then proven on our Dynojet 424xLC2 in Jenison, MI.
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.