U2L Factory-verified

GMC · Regular Production Option

Radio, HD

Years 2003, 2016–22 Models 10 Factory citations 21

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Also described as Digital audio system, L-bandRadio, HD reception

Also documented for Buick Cadillac Chevrolet Pontiac Saturn

Documented applications

Canyon — Second generation (GMT31XX) (2015–2022)

2019, 2021–2022 Factory-verified

2021: Denali: S; Elevation, AT4: O; Elevation Standard: not offered

GM factory document — 2019 chevrolet 19 coloradocanyon body builder sm u 2018aug01 1, p.13.
GM factory document — 2021 gmc canyon fleet order guide wayback, p.1.
GM factory document — 2022 chevrolet 22 canyon colorado electrical body builder sm en us 2021oct15, p.13.

Sierra — GMT800 (1999–2007)

2003 Factory-verified

GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1.

Sierra HD — GMT800 (2001–2007)

2003 Factory-verified

GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1.

Sierra HD — K2XX (2015–2019)

2018–2019 Factory-verified

2018: GM's 2018 Sierra 2500HD order guide

GM factory document — 2019 gmc sierra 2500hd fleet order guide wayback, p.1.
GM factory document — 2018 gmc sierra 2500hd order guide copy gm authority, p.4.

Sierra — K2XX (2014–2019)

2016–2019 Factory-verified

new for 2016.

GM factory document — 2016 gmc sierra 1500 fleet order guide wayback, p.2.
GM factory document — 2017 chevrolet sierra silverado electrical body builders manual service manual 2017 en us, p.34.
GM factory document — 2018 gmc sierra 1500 order guide copy gm authority, p.91.
GM factory document — 2019 gmc sierra 1500 limited double cab k2xx order guide copy gm authority, p.41.

Sierra — T1XX (2019–2026)

2019–2020 Factory-verified

GM factory document — 2019 gmc 19 sierra 1500 body builder feb 20, p.13.
GM factory document — 2020 gmc 20 sierra 1500 electrical body buil 1, p.14.

Terrain — Second generation (D2XX) (2018–2024)

2019 Factory-verified

SLT, SLT Diesel: O; Denali: S

GM factory document — 2019 gmc terrain order guide copy gm authority, p.2, p.27.

Yukon — GMT800 (2000–2006)

2003 Factory-verified

GM factory document — 2003 gmc yukon 2wd rpo code list, p.1.

Yukon — K2XX (2015–2020)

2016–2018 Factory-verified

2016, 2018: S on all trims; 2018 from GM's 2018 Yukon order guide

GM factory document — 2016 gmc yukon denali fleet order guide wayback, p.2.
GM factory document — 2017 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2017 en us 1, p.33.
GM factory document — 2018 gmc yukon order guide copy gm authority, p.2.

Yukon XL — K2XX (2015–2020)

2016–2017 Factory-verified

S on all trims

GM factory document — 2016 gmc yukon xl denali fleet order guide wayback, p.2, p.5.
GM factory document — 2016 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2016 en us, p.15.
GM factory document — 2017 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2017 en us 1, p.33.

This page aggregates every documented appearance of U2L in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.