- 2014–2015 Factory-verified
6AD69 sedan, 6AD47 coupe
1SH Factory-verified
Also described as Equipment group, PremiumTrim group, Signature SportEquipment group 1SH, Platinum on the Sport lineTrim group, Premium SportEquipment group, Platinum
Also documented for BuickChevroletGMC
Documented applications
- 2014 Factory-verified
the CTS Coupe Premium column, rear- and all-wheel drive
- 2027 Factory-verified
- 2023, 2025–2027 Factory-verified
2025: Sport Platinum; 2026–2027: Platinum Sport
- 2025–2027 Factory-verified
the 2025 guide heads it Sport 1SH; the 2026–2027 guides head it Premium Sport
- 2026–2027 Factory-verified
model 6MD56 AWD; NICB VIN series 3R (2026); the 2026 guide marks it late availability
This page aggregates every documented appearance of 1SH in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.