Charging ports, 2 USB, rear of center console

Years 2015–17, 2019–20, 2022 Models 3 Factory citations 7

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Also described as USB ports, multipleUSB data ports, 2, type-A, center console

Also documented for Chevrolet

Documented applications

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

2015–2017 Factory-verified

2015–2016: SLE, SLT: S; SL, Canyon: not offered

GM factory document — 2015 gmc canyon fleet order guide wayback, p.2.
GM factory document — 2016 gmc canyon fleet order guide wayback, p.5.
GM factory document — 2017 chevrolet canyon colorado electrical body builders manual service manual 2017 en us, p.12.

Sierra — T1XX (2019–2026)

2019–2020, 2022 Factory-verified

the 2020 list marks it not for the next new major program

GM factory document — 2019 gmc 19 sierra 1500 body builder feb 20, p.12.
GM factory document — 2020 gmc 20 sierra 1500 electrical body buil 1, p.12.
GM factory document — 2022 gmc 22 sierra 1500 new electrical body builder sm en us 2022jul20, p.12.

Terrain — Second generation (D2XX) (2018–2024)

2019 Factory-verified

SLE, SLE Diesel: O; SLT, SLT Diesel, Denali: S

GM factory document — 2019 gmc terrain order guide copy gm authority, p.3, p.28.

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