Cadillac 4.6 Tuning

Supported in 4 Cadillac models, 2006-2010.

Cadillac

4 supported 4.6 applications

Models With the Cadillac 4.6

All Supported Cadillac 4.6 Tunes

Supported Cadillac 4.6 applications
DTS2006-2009ECUHP Tuners
SRX2007-2009ECUHP Tuners
STS2007-2010ECUHP Tuners
XLR2007-2009ECUHP Tuners

About Cadillac 4.6 tuning

We tune the Cadillac 4.6 in 4 applications across the DTS, SRX, STS, XLR, from 2006-2010, in gasoline form. Calibrations are written on HP Tuners for your exact hardware and fuel, then proven on our Dynojet 424xLC2 in Jenison, MI. Remote tuning is available for supported applications.

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.