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October 16, 2026 Service bulletin

Onstar connectivity features may be inoperative

Chevrolet technical service bulletin PIT6534A for 2027 Chevrolet Equinox, 2027 GMC Terrain and 2027 Chevrolet Blazer EV and others.

Bulletin number
PIT6534A
Component
Unknown or other
Summary
Onstar connectivity features may be inoperative. Dealer is instructed how to reset the onstar module. Engineering is investigating a solution.

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