Service Update
Chevrolet technical service bulletin N222372592 for 2019-2022 Chevrolet Silverado 1500 and 2019-2021 GMC Sierra 1500.
- Bulletin number
- N222372592
- Component
- Engine and engine cooling: engine: engine control module (ecu/ECM)
- Summary
- Service Update. Certain vehicles may have a condition in which ice or sludge can accumulate in the Charge Air Cooler (CAC) or Closed Crankcase Ventilation (CCV) system when driving in extremely cold weather conditions (-18°C (0°F) or less). Dealers will install a radiator air front lower baffle and, if necessary, reprogram the Engine Control Module.
Owners of these vehicles have filed 2,397 complaints in the engine category.
Vehicles covered
- Chevrolet Silverado 1500 2019-2022 2019202020212022
- GMC Sierra 1500 2019-2021 201920202021
VIN decoder
See the problems and recalls for an exact car
Buying a used Chevrolet Silverado 1500?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history