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October 1, 2025 Service bulletin

This information provides software update information for the K73 Telematics module to correct the...

Chevrolet technical service bulletin PIT6437 for 2025-2026 Chevrolet Tahoe, 2025-2026 GMC Yukon and 2025-2026 GMC Yukon XL and others.

Bulletin number
PIT6437
Component
Unknown or other
Summary
This information provides software update information for the K73 Telematics module to correct the symptoms described.

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