MYC ✓ Factory-verified

Cadillac · Regular Production Option

Transmission, automatic, 6 speed, HMD, 6L80

Years 2006–09 Models 4 Factory citations 10

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Also described as Transmission, automatic 6 speed, HMD, 6L80

Also documented for ChevroletGMCHummerPontiac

Documented applications

Escalade EXT — GMT900 (2007–2013) →

• 2007–2009 ✓ Factory-verified

  Some 2007 and 2008 entries read 6L80-E; Wikipedia says all EXT models used the 6 speed 6L80 automatic.

  ⛭ GM factory document — 2007 cadillac escalade ext rpo code list, p.1.

  ⛭ GM factory document — 2009 cadillac escalade ext rpo code list, p.1.

  ⛭ GM factory document — 2008 cadillac escalade ext rpo code list, p.1.

Escalade — GMT900 (2007–2014) →

• 2007–2009 ✓ Factory-verified

  Some 2007 and 2008 entries read 6L80-E; Wikipedia names the 6 speed 6L80 as the standard Escalade automatic.

  ⛭ GM factory document — 2007 cadillac escalade rpo code list, p.1.

  ⛭ GM factory document — 2009 cadillac escalade rpo code list, p.1.

  ⛭ GM factory document — 2008 cadillac escalade rpo code list, p.1.

STS — Sigma (2005–2011) →

• 2006–2009 ✓ Factory-verified

  only in: STS-V (Wikipedia).

  ⛭ GM factory document — 2006 cadillac sts rpo code list, p.1.

  ⛭ GM factory document — 2009 cadillac sts rpo code list, p.1.

XLR — Y-body (2004–2009) →

• 2006–2009 ✓ Factory-verified

  Wikipedia names a 6 speed 6L80 automatic.

  ⛭ GM factory document — 2006 cadillac xlr rpo code list, p.1.

  ⛭ GM factory document — 2009 cadillac xlr rpo code list, p.1.

This page aggregates every documented appearance of MYC in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.