Governor, electronic speed sensor, set to 65 MPH

Years 1998–00, 2020, 2023, 2025–27 Models 6 Factory citations 26

Also described as Governor, electronic speed sensor, 65 MPHGovernor, electronic speed sensor, 65 mphGovernor, electronic speed sensor, set to 65 MPH (104.6 KPH)Governor, electronic speed sensor set to 65 MPH

Also documented for GMC

Documented applications

Express — GMT600 (1996–2002)

1998–2000 Factory-verified

GM factory document — 1998 chevrolet express rpo code list, p.1.
GM factory document — 1999 chevrolet express rpo code list, p.1.
GM factory document — 2000 chevrolet express rpo code list, p.1.

Express — GMT610 (2003–2027)

2023, 2025–2027 Factory-verified

O: Cargo 1WT, Cutaway 1WT, Cutaway 2WT (2025–2026), Passenger CG23406; not offered: Passenger 1LT, Passenger CG33406, Passenger CG33706

GM factory document — 2023 chevrolet 23 express savana body builder sm en us 2022sep13, p.12.
GM factory document — 2025 chevrolet express cargo fleet order guide, p.38.
GM factory document — 2025 chevrolet express cutaway fleet order guide, p.54.
GM factory document — 2025 chevrolet express passenger fleet order guide, p.30.
GM factory document — 2026 chevrolet express cargo fleet order guide, p.40.
GM factory document — 2026 chevrolet express cutaway fleet order guide, p.56.
GM factory document — 2026 chevrolet express passenger fleet order guide, p.33.
GM factory document — 2027 chevrolet express cargo fleet order guide, p.38.
GM factory document — 2027 chevrolet express cutaway fleet order guide, p.28.
GM factory document — 2027 chevrolet express passenger fleet order guide, p.30.

Silverado EV — BT1 (2024–2027)

2025–2027 Factory-verified

2025: A in 2WT, 8WT; not offered in 5WT, 3LT, 2SP, 3SP; 2026: A in 4WT, 5WT, 8WT; not offered in 2LT, 3LT, 4LT, 2TR, 3TR, 2SP, 3SP; 2027: A in 4WT, 5WT, 8WT; not offered in 2LT, 3LT, 2TR, 3TR

GM factory document — 2025 chevrolet silverado ev fleet order guide rpo codes, p.1.
GM factory document — 2027 chevrolet silverado ev fleet order guide rpo codes, p.1.
GM factory document — 2025 chevrolet silverado ev fleet order guide, p.40.
GM factory document — 2026 chevrolet silverado ev fleet order guide, p.65.
GM factory document — 2027 chevrolet silverado ev fleet order guide, p.53.

Silverado HD (T1XX, 2020–2027)

2025–2027 Factory-verified

GM factory document — 2025 chevrolet silverado 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 chevrolet silverado 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2027 chevrolet silverado 2500 hd retail and fleet fleet order guide rpo codes, p.1.

Silverado Medium Duty (GM515, 2019–2026)

2025–2026 Factory-verified

GM factory document — 2025 chevrolet silverado 4500 hd 5500 hd and 6500 hd fleet order guide rpo codes, p.1.
GM factory document — 2026 chevrolet silverado 4500 hd 5500 hd and 6500 hd fleet order guide rpo codes, p.1.

Silverado — T1XX (2019–2026)

2020, 2025–2026 Factory-verified

GM factory document — 2020 chevrolet silverado 1500 fleet order guide wayback, p.1.
GM factory document — 2025 chevrolet silverado 1500 retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 chevrolet silverado 1500 retail and fleet fleet order guide rpo codes, p.1.

This page aggregates every documented appearance of 9C2 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.