R9Y Factory-verified

GMC · Regular Production Option

Mobile Service Plus, 1 year

Years 2015–18, 2025–27 Models 17 Factory citations 51

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Also described as Fleet free maintenance creditFleet free maintenance credit, 24 months and 24,000 miles

Also documented for Buick Cadillac Chevrolet

Documented applications

Acadia — first generation, Lambda (2007–2017)

2015–2016 Factory-verified internal

a credit in place of the free oil changes, tire rotations and inspections for the first 24 months and 24,000 miles; the 2015 guide allows 4, the 2016 guide 2.

GM factory document — 2015 gmc acadia fleet order guide wayback, p.4.
GM factory document — 2016 gmc acadia fleet order guide wayback, p.4.

Acadia — Third generation (2024–2027)

2026–2027 Factory-verified

O on all trims

GM factory document — 2026 gmc acadia fleet order guide, p.15.
GM factory document — 2027 gmc acadia fleet order guide, p.17.

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

2015 Factory-verified

O on all trims; fleet and government order types only

GM factory document — 2015 gmc canyon fleet order guide wayback, p.7.

Canyon — Third generation (VSS-T) (2023–2027)

2026–2027 Factory-verified

O on all trims; the guides describe a 1 year plan

GM factory document — 2026 gmc canyon fleet order guide, p.18.
GM factory document — 2027 gmc canyon fleet order guide, p.18.

Hummer EV Pickup (2022–2027)

2025–2026 Factory-verified

GM factory document — 2025 gmc hummer ev pickup fleet order guide rpo codes, p.1.
GM factory document — 2026 gmc hummer ev pickup fleet order guide rpo codes, p.1.
GM factory document — 2025 gmc hummer ev pickup fleet order guide, p.8.
GM factory document — 2026 gmc hummer ev pickup fleet order guide, p.9.

Hummer EV SUV — BT1 (2024–2027)

2025–2026 Factory-verified

SUV guide wording: Mobile Service Plus, 1 year (Mobile Service, pick-up and delivery, and loaner with drop off). 2025: O in 1SF, 1SG; 2026: O in 3VL, 1SF, 1SG.

GM factory document — 2025 gmc hummer ev suv fleet order guide, p.14.
GM factory document — 2026 gmc hummer ev suv fleet order guide, p.16.

Savana — GMT610 (2003–2027)

2025–2027 Factory-verified

O: Cargo 1WT, Cutaway 1WT, Cutaway 2WT (2025–2026), Passenger 1LS, Passenger 1LT

GM factory document — 2025 gmc savana cargo fleet order guide, p.21.
GM factory document — 2025 gmc savana cutaway fleet order guide, p.26.
GM factory document — 2025 gmc savana passenger fleet order guide, p.19.
GM factory document — 2026 gmc savana cargo fleet order guide, p.22.
GM factory document — 2026 gmc savana cutaway fleet order guide, p.27.
GM factory document — 2026 gmc savana passenger fleet order guide, p.17.
GM factory document — 2027 gmc savana cargo fleet order guide, p.20.
GM factory document — 2027 gmc savana cutaway fleet order guide, p.14.
GM factory document — 2027 gmc savana passenger fleet order guide, p.16.

Sierra EV — BT1 (2024–2027)

2025–2027 Factory-verified

2025: A in 5SC, 5SD; 2026–2027: A in all groups

GM factory document — 2025 gmc sierra ev denali fleet order guide rpo codes, p.1.
GM factory document — 2025 gmc sierra ev denali fleet order guide, p.9.
GM factory document — 2027 gmc sierra ev fleet order guide rpo codes, p.1.
GM factory document — 2027 gmc sierra ev fleet order guide, p.17.

Sierra 1500 — Next-Generation (2027)

2027 Factory-verified

all trims: O; MobileService+ is a suite of service conveniences (mobile service, pick-up and delivery, loaner with drop off)

GM factory document — 2027 gmc next generation sierra 1500 retail and fleet fleet order guide, p.31.
GM factory document — 2027 gmc next generation sierra 1500 retail and fleet fleet order guide rpo codes, p.1.

Sierra HD — T1XX (2020–2027)

2026–2027 Factory-verified

Pro, SLE, SLT, AT4, AT4X, Denali, Denali Ultimate: O

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 — 2026 gmc sierra 2500 hd retail and fleet fleet order guide, p.25.
GM factory document — 2027 gmc sierra 2500 hd retail and fleet fleet order guide, p.26.

Sierra — T1XX (2019–2026)

2025–2026 Factory-verified

GM factory document — 2025 gmc sierra 1500 retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2025 gmc sierra 1500 retail and fleet fleet order guide, p.111.
GM factory document — 2026 gmc sierra 1500 retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 gmc sierra 1500 retail and fleet fleet order guide, p.53.

Terrain — First generation (2010–2017)

2016–2017 Factory-verified

O on all trims

GM factory document — 2016 gmc terrain fleet order guide wayback, p.4.
GM factory document — 2017 gmc terrain fleet order guide wayback, p.4.

Terrain — Third generation (2025–2027)

2026–2027 Factory-verified

O on all trims; required for dealers with a BFU of 284 unless R9W is ordered; not available with R9V

GM factory document — 2026 gmc next generation terrain fleet order guide, p.11.
GM factory document — 2027 gmc terrain fleet order guide, p.11.

Yukon — K2XX (2015–2020)

2015–2016, 2018 Factory-verified

fleet and government orders; a credit in place of the free oil changes, rotations and inspections of the first 24 months or 24,000 miles (4 in 2015, 2 in 2018); 2018 from GM's 2018 Yukon order guide

GM factory document — 2015 gmc yukon denali fleet order guide wayback, p.4.
GM factory document — 2016 gmc yukon denali fleet order guide wayback, p.4.
GM factory document — 2018 gmc yukon order guide copy gm authority, p.33.

Yukon — T1XX (2021–2027)

2025–2027 Factory-verified

2027: O on all trims

GM factory document — 2025 gmc new yukon denali fleet order guide, p.25.
GM factory document — 2026 gmc yukon denali fleet order guide, p.27.
GM factory document — 2027 gmc yukon fleet order guide, p.24.

Yukon XL — K2XX (2015–2020)

2015–2016 Factory-verified

A on all trims; fleet and government order types only; a credit in place of the free oil changes, rotations and inspections of the first 24 months or 24,000 miles

GM factory document — 2015 gmc yukon xl denali fleet order guide wayback, p.4.
GM factory document — 2016 gmc yukon xl denali fleet order guide wayback, p.4.

Yukon XL — T1XX (2021–2027)

2025–2027 Factory-verified

2027: O on all trims

GM factory document — 2025 gmc new yukon xl denali fleet order guide, p.25.
GM factory document — 2026 gmc yukon xl denali fleet order guide, p.27.
GM factory document — 2027 gmc yukon xl fleet order guide, p.24.

This page aggregates every documented appearance of R9Y in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.