Service Update
Chevrolet technical service bulletin GCUS-3-886 for 2017 Chevrolet Silverado, 2017 Chevrolet Corvette and 2017 GMC Yukon and others.
- Bulletin number
- GCUS-3-886
- Component
- Power train: automatic transmission
- Summary
- 17098 - Service Update. Certain vehicles may have a condition where a false failure action is being taken when it is not required. This condition can result in the transmission holding the last known safe gear for 6 seconds. A malfunction indicator lamp (MIL) is set when this default happens more than 2 times, and reduced propulsion can happen for all 8-speed transmission applications. Dealers will reprogram the transmission control module (TCM).
Owners of these vehicles have filed 238 complaints in the transmission category.
Vehicles covered
- Chevrolet Silverado 2017 2017
- Chevrolet Corvette 2017 2017
- GMC Yukon 2017 2017
- GMC Sierra 2017 2017
- Chevrolet Camaro 2017 2017
- GMC Yukon XL 2017 2017
- Cadillac CTS 2017 2017
- Cadillac Escalade 2017 2017
- Cadillac Escalade ESV 2017 2017
- Cadillac Ats 2017 2017
- Cadillac Ct6 Plug-In Hybrid 2017 2017
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