Service Update
Chevrolet technical service bulletin GCUS-3-909 for 2017 Chevrolet Silverado, 2017 GMC Sierra and 2017 Chevrolet Trax and others.
- Bulletin number
- GCUS-3-909
- Component
- Electrical system: software
- Summary
- 17139 - Service Update. Certain vehicles may have delamination on the electronic control module (ECM) printed circuit board (PCB) causing open circuits. This condition may result in possible no start or stall. Dealers are to replace and reprogram the ECM.
Owners of these vehicles have filed 48 complaints in the electrical category.
Vehicles covered
- Chevrolet Silverado 2017 2017
- GMC Sierra 2017 2017
- Chevrolet Trax 2017 2017
- Chevrolet Sonic 2017 2017
- Chevrolet Express 2017 2017
- GMC Savana 2017 2017
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