- 2019, 2025–2026 Factory-verified
2LT: not available; 3LT, RS: O; Premier: O (2025 only)
Also described as Sunroof, power panoramic, tilt-sliding with power sunshadeSunroof, powerSunroof, power, tilt-sliding, with fixed rear skylight glass and sunshadeSunroof, power panoramic, dual-pane, tilt-sliding, express open and close, power sunshadeSunroof, power, dual-pane, panoramicRoof, sun, glass, sliding, electric, transparent glass fixedSunroof, Dual SkyScape, 2-panel power, tilt-sliding front and fixed rear, with sunscreen
Also documented for BuickCadillacGMCSaturn
Documented applications
- 2018–2019 Factory-verified
- 2014–2016 Factory-verified
2014: LT: O (requires PCP, PCU, PCV or PCX); LTZ: O (in PCH), the 2014 row printing seven marks for eight trims; 2015: 1LT, 2LT: O (requires an LT option package); 1LZ, 2LZ: O; 2016: 1LT, 2LT: O (requires an LT option package); 2LZ: O
- 2018 Confirmed
no longer tied to UG1 for 2018 (GM's 2018 Impala RPO change list, GM Authority)
- 2022–2023, 2025–2027 Factory-verified
2027: LT, RST, Z71, Premier, High Country: O
- 2022–2023, 2025–2027 Factory-verified
2027: LT, RST, Z71, Premier, High Country: O
- 2025–2027 Factory-verified
LT, RS, ACTIV: O; 2025–2026: LT requires Y19 and L3T; RS and ACTIV require ZL3. 2027: LT requires Y19, ZL5 and L3T; RS requires ZL3 and ZL5; ACTIV requires ZL5
- 2009, 2015 Factory-verified
the 2015 guide reads dual SkyScape two-panel power sunroof, tilt-sliding front and fixed rear, with sunscreen.
- 2018–2019 Factory-verified
High Country: S; LT Leather, Premier: O; Premier: included with WBL; on FWD without WBL requires BGP
- 2024 Single-source
decoderpo.com's 2024 Traverse Limited order guide page lists it on its Standart Equipment tab (1LS); the page is a T3 mirror of GM's guide and the repository holds no GM document for 2024
This page aggregates every documented appearance of C3U in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.