Brakes, vacuum power, 17 inch disc, for adaptive cruise and automatic collision preparation

Years 2015–19 Models 2 Factory citations 12

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Also documented for Cadillac GMC

Documented applications

Suburban — K2XX (2015–2020)

2015–2019 Factory-verified

LTZ: A, only with Y66; LS, LT: not available; 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.4.
GM factory document — 2016 chevrolet suburban fleet order guide wayback, p.4.
GM factory document — 2016 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2016 en us, p.9.
GM factory document — 2017 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2017 en us 1, p.22.
GM factory document — 2018 chevrolet suburban order guide copy gm authority, p.57.
GM factory document — 2019 chevrolet suburban order guide copy gm authority, p.60.

Tahoe — K2XX (2015–2020)

2015–2019 Factory-verified

LTZ: A, only with Y66; LS, LT: not available; 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.5.
GM factory document — 2016 chevrolet tahoe fleet order guide wayback, p.4.
GM factory document — 2016 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2016 en us, p.9.
GM factory document — 2017 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2017 en us 1, p.22.
GM factory document — 2018 chevrolet tahoe order guide copy gm authority, p.59.
GM factory document — 2019 chevrolet tahoe order guide copy gm authority, p.63.

This page aggregates every documented appearance of JB1 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.