2024 CADILLAC CT4 LSY/LTG (1YG5)
1YG5 / Sedan / North America, China, and selected global markets with minor variations
LSYLTGExakter Jahres-/Varianten-DatensatzGold
Engine identity
Oils and fluids
Service and parts data
Common and chronic problems
- Occasional infotainment glitches reported
- Turbocharger heat soak in high-performance models
First checks
- Oil and filter change adherence
- Brake pad wear
- Coolant levels
Vor dem Teiletausch
- Save fault codes and freeze-frame data before clearing anything.
- Check engine oil, coolant and transmission fluid using the correct temperature and service procedure.
- Verify power, ground, connectors, hoses, leaks and live data before replacing expensive parts.
Important notes
- Global CT4 models primarily use the 2.0L LSY turbo inline-4 with variance in feature sets by market
- Performance CT4-V Blackwing uses the 2.7L LTG engine; not available in all markets