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February 27, 2026 Service bulletin

Active Diagnostic Trouble Code (DTC) U3FFF-00 Setting In The PCM

Ram technical service bulletin S2609000003 REV.A for 2025-2026 Ram 2500, 2025-2026 Ram 3500 and 2025-2026 Ram 5500 and others.

Bulletin number
S2609000003 REV.A
Component
Electrical system
Summary
Active Diagnostic Trouble Code (DTC) U3FFF-00 Setting In The PCM

Owners of these vehicles have filed 100 complaints in the electrical category.

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