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February 21, 2020 Service bulletin

Structure

Chevrolet technical service bulletin PIT5679A for 2019-2020 Chevrolet Blazer and 2017-2020 GMC Acadia.

Bulletin number
PIT5679A
Component
Structure
Summary
This Preliminary information communicates that a vehicle may be encountered with a "service park assist system" message or a rear lift gate that will not open passively. The technician is instructed to inspect connector X400 for evidence of water intrusion. The technician is instructed to replace the harness and terminals in the body side connector as needed if water intrusion or corrosion is found.

Owners of these vehicles have filed 14 complaints in the body category.

Vehicles covered

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