- 2021–2027 Factory-verified
the 2025 list prints Black tow hook
SDA Factory-verified
Also described as LPO, Black recovery hook
Also documented for GMC
Documented applications
- 2015–2019 Factory-verified
A/D on all trims; not with VQY; LTZ: not with Y66; 2018–2019 from GM's 2018 and 2019 Suburban order guides (GM Authority copies)
- 2015–2019 Factory-verified
A/D on all trims; not with VQY; LTZ: not with Y66; 2018–2019 from GM's 2018 and 2019 Tahoe order guides (GM Authority copies)
This page aggregates every documented appearance of SDA in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.