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February 6, 2026 Service bulletin

Update Programming software of the Engine/Motor Control Module -J623- to improve thermostat performance.

Volkswagen technical service bulletin V0125052079099_3 for 2023 Volkswagen GTI, 2022-2024 Volkswagen Golf R and 2023 Volkswagen Arteon.

Bulletin number
V0125052079099_3 (51C6)
Component
Engine
Summary
Update Programming software of the Engine/Motor Control Module -J623- to improve thermostat performance.

Owners of these vehicles have filed 1 complaints in the engine category.

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