Service Update
GMC technical service bulletin GCUS-3-684 for 2017 GMC Acadia.
- Bulletin number
- GCUS-3-684
- Component
- Electrical system
- Summary
- 66110 - Service Update - The driver mode control switch does not allow the driver to alter chassis and powertrain attributes. Mode selection is not lit on the switch. Dealers will reprogram the engine control module.
Owners of these vehicles have filed 193 complaints in the electrical category.
Vehicles covered
- GMC Acadia 2017 2017
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