- 2015, 2018–2019 Factory-verified
2018: GM's 2018 Sierra 2500HD order guide
TG5 Factory-verified
Also described as CD/MP3 player, single-slot
Also documented for BuickCadillacChevrolet
Documented applications
- 2014, 2016–2019 Factory-verified
- 2015–2018 Factory-verified
replaced by U42 when ordered; the 2018 guide deletes it with PEC; 2018 from GM's 2018 Yukon order guide
- 2015–2017 Factory-verified
S on all trims; replaced by U42 when ordered; the guides read CD player
This page aggregates every documented appearance of TG5 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.