Mirror, inside rearview, light sensitive, rear video display

Years 2009, 2014, 2025–27 Models 4 Factory citations 10

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Also described as Mirror, inside rearview, auto-dimming with partial video display

Also documented for Buick Cadillac Chevrolet

Documented applications

Sierra — GMT900 (2007–2013)

2009 Factory-verified

GM factory document — 2009 gmc sierra 2wd rpo code list, p.1.

Sierra HD — GMT900 (2007–2014)

2014 Factory-verified

the 2014 guides describe an auto-dimming mirror with rear camera display

GM factory document — 2014 gmc sierra 2500hd fleet order guide wayback, p.2.
GM factory document — 2014 gmc sierra 3500hd fleet order guide wayback, p.2.

Sierra HD — T1XX (2020–2027)

2025–2027 Factory-verified

shows the bed view camera image of the cargo bed; Pro: O; SLE, SLT, AT4, AT4X, Denali, Denali Ultimate: not offered

GM factory document — 2025 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2027 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2025 gmc sierra 2500 hd retail and fleet fleet order guide, p.63.
GM factory document — 2026 gmc sierra 2500 hd retail and fleet fleet order guide, p.59.
GM factory document — 2027 gmc sierra 2500 hd retail and fleet fleet order guide, p.58.

Yukon — GMT900 (2007–2014)

2009 Factory-verified

GM factory document — 2009 gmc yukon 2wd rpo code list, p.1.
2014 Single-source

GM Authority words it as inside rearview auto-dimming mirror with rear camera display, now standard on SLE models per GM Authority's 2014 Yukon page (RPO Central; its Yukon, Yukon XL and Commercial Fleet lists); no factory list or order guide read for 2014; the page does not credit GM for its codes

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