This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases
Chevrolet technical service bulletin 23-NA-185 for 2019-2025 Chevrolet Silverado 1500, 2020-2025 Chevrolet Tahoe and 2019-2025 GMC Sierra 1500 and others.
- Bulletin number
- 23-NA-185
- Component
- Power train
- Summary
- This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, Engagement/Disengagement/Ratcheting Concerns.
Owners of these vehicles have filed 3,085 complaints in the transmission category.
Vehicles covered
- Chevrolet Silverado 1500 2019-2025 2019202020212022202320242025
- Chevrolet Tahoe 2020-2025 202020212022202320242025
- GMC Sierra 1500 2019-2025 2019202020212022202320242025
- Chevrolet Suburban 2020-2024 20202021202220232024
- GMC Yukon 2020-2025 202020212022202320242025
- Chevrolet Silverado 2500 2020-2025 202020212022202320242025
- Chevrolet Colorado 2023-2025 202320242025
- GMC Yukon XL 2020-2025 202020212022202320242025
- GMC Sierra 2500 2020-2025 202020212022202320242025
- Cadillac Escalade 2020-2025 202020212022202320242025
- GMC Canyon 2023-2025 202320242025
- Chevrolet Suburban 1500 2021-2025 20212022202320242025
- Chevrolet Silverado 3500 2020-2025 202020212022202320242025
- GMC Sierra 3500 2020-2025 202020212022202320242025
- Cadillac Escalade ESV 2020-2025 202020212022202320242025
- GMC Yukon XL 1500 2023 2023
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