ZF 8HP45-845RE TCU Tuning

Transmission controller used in 14 supported models from 4 makes.

Chrysler with the ZF 8HP45-845RE

Dodge with the ZF 8HP45-845RE

Jeep with the ZF 8HP45-845RE

Lancia with the ZF 8HP45-845RE

About ZF 8HP45-845RE tuning

The ZF 8HP45-845RE transmission control unit is supported in 14 models from Chrysler, Dodge, Jeep, Lancia. We read, modify, and flash it with AutoTuner, then verify the result on our Dynojet 424xLC2 in Jenison, MI. Transmission tuning sharpens shift timing, firmness, and torque limits to match your power.

Browse all supported ECUs and TCUs

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.