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June 16, 2026 Service bulletin

The purpose of this CBR it to provide release notes for the recent Engine ECU software.

Volvo technical service bulletin CBR-2591-1 202606 for 2023-2027 Volvo VNL (4) and 2025-2027 Volvo VNR (4).

Bulletin number
CBR-2591-1 202606
Component
Engine
Summary
The purpose of this CBR it to provide release notes for the recent Engine ECU software.

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