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October 1, 2026 Service bulletin

TSB

Volvo technical service bulletin TSB V-258-017 202610 for 2023-2027 Volvo VHD, 2023-2027 Volvo VNL (4) and 2025-2027 Volvo VNR (4).

Bulletin number
TSB V-258-017 202610
Component
Engine
Summary
TSB - All Volvo vehicles built with USA24, and forward emissions may experience damage to the diesel exhaust fluid pump harness due to wicking of DEF into the pump connector and harness. To prevent this issue an anti-wicking harness has been developed.

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