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September 26, 2024 Service bulletin

This service bulletin provides information for dealers/technicians on Powertrain Control Module K45...

GMC technical service bulletin 24-NA-128 for 2024 GMC Acadia and 2024 Chevrolet Traverse.

Bulletin number
24-NA-128
Component
Electrical system
Summary
This service bulletin provides information for dealers/technicians on Powertrain Control Module K45 Software Update for SDAC (Serial Data Authentication Configuration) Failures.

Owners of these vehicles have filed 39 complaints in the electrical category.

Vehicles covered

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