Headlamps, high intensity discharge

Years 2012, 2014–19 Models 12 Factory citations 30

Also described as Headlamps, high intensity discharge (HID), bi-functionalHeadlamps, high intensity discharge, low and high beam projectorHeadlamps, HID Xenon with LED lightingHeadlamps, high intensity discharge, automatic exterior lamp control

Also documented for Buick Cadillac GMC

Documented applications

Blazer — C1XX (2019–2026)

2019 Factory-verified

GM factory document — 2019 chevrolet all new blazer fleet order guide wayback, p.3.

Bolt EV — first generation (2017–2023)

2017 Factory-verified

LT, Premier: S

GM factory document — 2017 chevrolet bolt ev fleet order guide wayback, p.3.

Camaro — Gen 5 Zeta (2010–2015)

2012, 2014 Confirmed

2012: part of H45 (GM Authority 2012 RPO changes); GM Authority 2014 RPO list

Camaro — Gen 6 Alpha (2016–2024)

2016 Factory-verified

GM factory document — 2016 chevrolet camaro fleet order guide wayback, p.1.

Corvette — C7 (2014–2019)

2014–2019 Factory-verified

all models: S; 2016, 2019: from GM order-guide copies (Corvette Action Center; 2019 also GM Authority)

GM factory document — 2014 chevrolet corvette stingray fleet order guide wayback, p.1.
GM factory document — 2015 chevrolet corvette fleet order guide wayback, p.3.
GM factory document — 2017 chevrolet corvette fleet order guide wayback, p.1.
GM factory document — 2018 chevrolet corvette fleet order guide wayback, p.4.

Equinox — Third generation (D2XX) (2018–2024)

2018 Factory-verified

LT: S

GM factory document — 2018 chevrolet all new equinox fleet order guide wayback, p.1.
2019 Factory-verified

2FL, 1LT, 2LT, 3LT: S

GM factory document — 2019 chevrolet equinox order guide april 6 2018 copy gm authority, p.119.

Impala — tenth generation (2014–2020)

2014–2016 Factory-verified

2014–2015: 1LZ, 2LZ: S; 2016: 2LZ: S

GM factory document — 2014 chevrolet impala fleet order guide wayback, p.3.
GM factory document — 2015 chevrolet impala fleet order guide wayback, p.3.
GM factory document — 2016 chevrolet impala fleet order guide wayback, p.3.

Malibu — eighth generation (2013–2016)

2015 Factory-verified

1LZ, 2LZ: O (with PCX)

GM factory document — 2015 chevrolet malibu fleet order guide wayback, p.3.

SS — single generation (2014–2017)

2014–2016 Factory-verified

S

GM factory document — 2014 chevrolet ss fleet order guide wayback, p.3.
GM factory document — 2015 chevrolet ss fleet order guide wayback, p.5.
GM factory document — 2016 chevrolet ss fleet order guide wayback, p.3.

Suburban — K2XX (2015–2020)

2015–2019 Factory-verified

LTZ: S; LS, LT: not available; the Yukon XL K2XX doc adds projector beam; 2018–2019 from GM's 2018 and 2019 Suburban order guides (GM Authority copies)

GM factory document — 2015 chevrolet suburban fleet order guide wayback, p.3, p.5.
GM factory document — 2016 chevrolet suburban fleet order guide wayback, p.3, 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.14.
GM factory document — 2017 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2017 en us 1, p.32.
GM factory document — 2018 chevrolet suburban order guide copy gm authority, p.3.
GM factory document — 2019 chevrolet suburban order guide copy gm authority, p.3.

Tahoe — K2XX (2015–2020)

2015–2019 Factory-verified

LTZ: S; LS, LT: not available; the Yukon XL K2XX doc adds projector beam; 2018–2019 from GM's 2018 and 2019 Tahoe order guides (GM Authority copies)

GM factory document — 2015 chevrolet tahoe fleet order guide wayback, p.1, p.4.
GM factory document — 2016 chevrolet tahoe fleet order guide wayback, p.3, 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.14.
GM factory document — 2017 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2017 en us 1, p.32.
GM factory document — 2018 chevrolet tahoe order guide copy gm authority, p.3.
GM factory document — 2019 chevrolet tahoe order guide copy gm authority, p.3.

Traverse — C1XX (2018–2024)

2018–2019 Factory-verified

L, LS (1FL), LS, LT Cloth (2FL), LT Cloth, LT Leather, RS: S

GM factory document — 2018 chevrolet traverse order guide copy gm authority, p.14, p.51.
GM factory document — 2019 chevrolet traverse order guide copy gm authority, p.17, p.73.

This page aggregates every documented appearance of T4F in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.